Umbo definition zoology biology.

Umbo definition zoology biology It encompasses all aspects of scientific knowledge about animals, like embryonic development, evolution, behavior, ecological The lines of growth start from an elevation— the umbo which is the thickest and the oldest part of the shell. The hinge teeth, or the lack thereof, is an important feature in identifying bivalves because the teeth are generally similar within the major taxonomic groups. Otoliths (Greek for ear-stone) are calcium carbonate structures found beneath . Only 10 percent of fertilized eggs survive to this stage. a. , editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. Leucocoprinus tricolor - Wikipedia Dictionary entries. Taxonomic Retrospect 4. Internal Structures 4. umbo synonyms, umbo pronunciation, umbo translation, English dictionary definition of umbo. Examples of how to use “umbo” in a sentence from the Cambridge Dictionary Labs noun biology A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. Study with Quizlet and memorize flashcards containing terms like Cephalopods, Gastropod, Bivalve and more. Muscles 5. One of the lateral prominence just above the hinge of a bivalve Jan 1, 2016 · Molluscs are present in most Nearctic freshwater habitats other than hypersaline lakes, which are colonized by only a few snail species (Assiminea spp. noun: (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. Fertilisation 14. This space contains the mollusk's gills, anus, osphradium, nephridiopores, and gonopores. beak sculpture (noun) The coelom is a body cavity found in many animals that provides structural support and protection for internal organs. Commonly known as “pearl-oysters”, and are marine, sedentary and found attached to rocks and stones. As nouns the difference between umbo and beak is that umbo is (biology) a boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear while beak is (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. It was developed by the Swedish botanist Carolus Linnaeus, who lived during the 18 th Century, and his system of classification is still used today. Valve : Each shell of the bivalve mollusc. (pl. . Zoology is a branch of biology Umbo of tympanic membrane synonyms, Umbo of tympanic membrane pronunciation, Umbo of tympanic membrane translation, English dictionary definition of Umbo of tympanic membrane. One of the most useful tools scientists use to study fish are otoliths. Cap: 1. Entries where "umbo" occurs: UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples Define umbo. Leucocoprinus armeniacoflavus - Wikipedia. For example the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. Biology A knoblike protuberance arising from a surface, as the The mantle cavity is a central feature of molluscan biology. Zoology, or animal biology, is the field of biology that involves the study of animals. Bivalve molluscs (e. Historical Retrospect of Trochophore Larva 2. Due to coarseness of the nacres, sometimes the oyster produces the inferior quality of pearls but in the seas of Polynesia and Micronesia the pearl oyster produces large and good quality of pearls. The freshwater mussel Mytilopsis leucophaeata showing the incurrent and excurrent siphons. Historically the hinge teeth have provided a convenient means by which to construct classification schemes and attempt to indicate the phylogenetic relationships within the cl Zoology definition explained: from ancient origins to current practices. This biology dictionary is here to help you learn about all sorts of biology terms, principles, and life forms. Study with Quizlet and memorize flashcards containing terms like molcusca is ____ animal phyla -the largest - one of the largest - one of the smallest - the smallest, the ______ is a rasping, protrusible, tongue like organ that is found in almost all mollusks except bivalves, in mollusks the male creates a space between itself and the visceral mass which houses the _____ organs and more. G. Varix (varices – plural): Thickened ridges seen at the edge of the outer lip of shell. Synonymes et antonymes de umbo et traductions de umbo dans 25 langues. What do the rings on the clam's shell indicate? They indicate how old the clam is; the more rings the older the clam. Pericardial Gland 13. Explore quizzes and practice tests created by teachers and students or create one from your course material. The boss or knob at the center of a shield. Simonime pentru umbo și traducerea umbo în 25 de limbi. Meaning of zoology. a visceral mass (located unger gills) that houses the major internal organs (including gonads and intestines). Classification 6. Taxonomy Branch of biology that names and identifies organisms Science of defining groups of biological organisms with shared characteristics and evolutionary Explore the wonders of biology. clams and oysters) have a shell which is composed of two separate but articulating parts. The umbo is the most depressed part of the tympanic membrane. The oldest part of the shell, the umbo, can be recognized as a large hump on the anterior end of the dorsal side of each shell. Two large oval impressions of the ante­rior and posterior adductor muscles are present near the anterior and posterior ends of the shell respectively (Fig Definition of zoology in the Definitions. 3); in 8 days, approximately 195 x 175 txm; in 10 days, many reach the late umbo stage, approximately 215 x 190 Ixm, and a protective shell. Whorl : One complete ( 360° ) coil of a shell Mar 7, 2025 · Zoology, branch of biology that studies the members of the animal kingdom and animal life in general. Structures of the Trochophore Larva 3. Define umbo membrana tympanae. Ecology is the branch of biology that studies how organisms interact with their environment and other organisms. Mucro definition: . With the extra weight of the shell, larvae no longer swim freely and settle to the bottom. May 8, 2018 · umbo (pl. g. External Features of Lamellidens 3. Entries where "umbos" occurs: umbo: see also ụm bò‎ umbo (English) Origin & history Borrowed from Latin umbo Pronunciation Rhymes: -ʌmbəʊ Noun umbo (pl. 5-3. Signification de umbo dans le dictionnaire anglais avec exemples d'utilisation. Biology A knoblike protuberance arising from a surface, as the prominence UMBO meaning: 1. 3. This cavity is formed by the mantle skirt, a double fold of mantle which encloses a water space. and the umbo. Apr 27, 2017 · Cells are the basic unit of life. Excretory System 12. See examples of CARINATE used in a sentence. A field of biology known as zoology is dedicated to studying the animals and its inhabitants. umbones) A convex protuberance or swelling in the centre. It is broken down into many fields, reflecting the complexity of life from the atoms and molecules of biochemistry to the interactions of millions of organisms in ecology. In Brachiopoda and Bivalvia, the first part of the shell to be formed; it occurs at the posterior of each valve in brachiopods and forms the dorsal part of the shell in bivalves. Number and Size 7. Bivalve - a laterally compressed mollusk with 2 valves (2 "half-shells"). Apr 28, 2017 · Zoology Definition. We are adding more terms! Ask the Editors It is the Umbo, and it is the coiled up hump like structure with the tight rings. edu Taxonomy Branch of biology that classifies, identifies and names organisms Defines groups of organisms with shared characteristics Concha solida, subtriangular, umbo cerca del extremo posterior con pico opistogirado, borde anterodorsal suavemente arqueado con extremo redondeado, extremo posterior anguloso y borde ventral arqueado; charnela taxodonta, con 20 dientes anteriores y 10 posteriores, el condroforo es oblicuo y profundo; color externo blanquecino con periostraco Umbo of tympanic membrane synonyms, Umbo of tympanic membrane pronunciation, Umbo of tympanic membrane translation, English dictionary definition of Umbo of tympanic membrane. Dec 18, 2016 · Biology is the study of living things. Biology A knoblike protuberance arising from a surface, as the prominence Mar 14, 2025 · Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. ¹. Of the two valves […] ADVERTISEMENTS: In this article we will discuss about Unio:- 1. pl. The word zoology comes from the Greek words zōion, meaning “animal”, and logos, meaning “the study of”. a mantle which may secrete the shell . Rising above the hinge line on each valve is a swelling called the umbo, the oldest part of the shell. Meaning of umbo in the Portuguese dictionary with examples of use. Definition of Umbo. beak cavity (noun) the depression or cavity on the inside of each valve beneath the beak. Define umbo. The two shells are joined at the dorsal end by a region called the ligament. Respiratory System 7. zoology. It includes both the inquiry into individual animals and their constituent parts, even to the molecular level, and the inquiry into animal populations, entire faunas, and the relationships of Study with Quizlet and memorize flashcards containing terms like What are the two body regions of a mollusk?, Where is the shell of a mollusk secreted from?, Where does gas and waste exchange take place in a mollusk? and more. 1 (context biology English) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. The diameter of the shell is about 15 cm. This is the broad zoology definition. (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. The higher the frequency of a sound, the faster the membrane vibrates and the higher… UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples in American English Define umbos. Umbo definition: . noun mycology A bump or protrusion on the top of the cap. It is much easier to count sheep in a pasture than it is to count fish underwater. Definitions from Wiktionary (umbo) noun: (historical) The boss of a shield, at or near the middle and usually projecting, sometimes in a sharp spike. “ umbo ”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers “ umbo ”, in William Smith et al. umbones or umbos or umboes) (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane… (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. It is convex, later flat, and with a raised central boss umbo . Habit and Habitat of Phylum Mollusca 3. the raised portion of the dorsal margin of a shell, also called the umbo. 2 (context zoology English) One of the lateral prominence just above the hinge of a bivalve shell. Nervous System 11. amherst. (Biology) a rounded knob or protuberance (Zoology) the highest point of each valve of a bivalve shell Examples The new species is characterized by a transversely extended, strongly biconvex to globular shell with prominent umbones, relatively numerous costae and a notothyrial cavity supported dorsally by a short median ridge. Dec 8, 2016 · Ecology Definition. Learn more. Nervous System 14. Feb 27, 2017 · Long Answer . Umbo definition: The boss or knob at the center of a shield. The apex of a valve of a bivalve is more usually known as the umbo or beak. Learn biology a slight rounded elevation where the malleus attaches to the eardrum Quiz yourself with questions and answers for Biology 122: Zoology Review for exam three, so you can be ready for test day. Coelom 5. The umbo (plural umbones or umbos) is the vaguely defined, often most prominent, highest part of each valve of the shell of a bivalve or univalve mollusc. Mantle and Mantle Cavity 8. Body Cavity 7. 2. (mycology) A bump or protrusion on the top of the cap. Jun 18, 2019 · One of the biggest difficulties in fisheries research and management is that it is challenging to directly observe fish over the entire course of their life cycle. Beak Sculpture - (see also: Concentric scuplture) - shape and arrangement of contours inherent to umbo; formed by early growth geometry. Development 15. During metamor-phosis, the clam “seed” selects a suitable substrate, where it bur-rows at varying Study with Quizlet and memorize flashcards containing terms like What symmetry do mollusks have?, What is the visceral mass?, What is the mantle tissue? and more. Some characteristic markings are also observed on the inner side of the shell. Blood Vascular 9. Sense Organs 12. The beak is the oldest portion of a mussel shell, formed when the animal was very young. umbones)A convex protuberance or swelling in the centre. Excretory System 10. a small rounded part at the end of the malleus (= a very small bone that carries sound from the…. Phylogenetic Significance. Umbo : Beak of a bivalve shell, from where generally the growth of the shell would have started. It features a convex cap measuring across, with a small umbo. Under the hemispherical or conical umbo was a crosspiece by which the shield was held. Umbo is a term used in biology to refer to a rounded elevation WordSense Dictionary: umbos - meaning, definition. Umbo is the meaning to the meaningless, and the definition to itself. Paired valves of the bivalve Abra alba. Learn how this science shapes our understanding of life. Rhymes: -ʌmbəʊ; Noun umbo (pl. Jan 1, 2001 · In about 40 h, many veligers reach an approximate size of 110 Ixm long and 90 txm high; in 4 days, approximately 120 x 98 ~tm, still a straight hinge (Fig. May 21, 2022 · (pl. ADVERTISEMENTS: In this article we will discuss about Trochophore Larva:- 1. What does umbo mean? umbo. n. In the modern world, they are the smallest known world that performs all of life's functions. 5cm wide and campanulate (bell shaped) when mature with a pronounced umbo. net dictionary. Heart and Pericardium 11. Each one of these two parts is known as a "valve". In Brachiopoda and Bivalvia , the first part of the shell to be formed; it occurs at the posterior of each valve in brachiopods and forms the dorsal part of the shell in bivalves. It usually contains the valve's beak , the oldest point of the valve, and its degree of prominence and position relative to the hinge line are sometimes helpful in distinguishing bivalve taxa Jan 26, 2001 · A bivalve is characterized by possessing two shells secreted by a mantle that extends in a sheet on either side of the body. the iron central boss of a shield, which protected the warrior’s hand. Zoology is a branch of biology that involves the study of animals and their Discover the term 'umbo,' its comprehensive meaning, etymology, and usage across different fields such as anatomy, botany, and music. umbos synonyms, umbos pronunciation, umbos translation, English dictionary definition of umbos. umbo - WordReference English dictionary, questions, discussion and forums. the boss of a shield; a rounded elevation: such as; an inward projection of the tympanic membrane of the ear… See the full definition Sep 27, 2024 · umbo in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette. the umbo. Affinities 6. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics. ADVERTISEMENTS: 3. um·bo·nes or um·bos 1. Locomotion 6. Inside the shell, the animal has a simple head without eyes or radula (the rasping, ribbon-like tongue used for feeding in other mollusc groups). Respiratory System 9. The shell is dirty mushroom becom­ing greenish towards umbo with several white radial lines. Umbo (bivalve), part of a bivalve shell which was formed when the animal was a juvenile; Umbo (conifer cone), the first year's growth of a seed scale on a conifer cone, showing up as a protuberance at the end of the two-year-old scale; Umbo (mycology), at the top of some mushrooms Other articles where umbo is discussed: human ear: Transmission of sound by air conduction: …waves, its central portion, the umbo, vibrates as a stiff cone, bending inward and outward. 2b); in 6 days, an early umbo approximately 150 x 140 Ixm (Fig. Since the shell provides extra weight, they no longer swim freely and settle to the bottom. Habit and Habitat of Unio 2. Development. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Biology A knoblike protuberance arising from a surface, as the prominence is that spike is a sort of very large nail; also, a piece of pointed iron set with points upward or outward while umbo is (biology) a boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. and a foot for locomotion Define umbonic. www. See examples of UMBO used in a sentence. Zoology the beak of a bivalve shell; 'umbo' also found in these entries UMBO meaning: 1. Receptors and Sense Organs in Lamellidens 15. Metamorphosis. Reproductive System 10. External Features of Unio 3. As a verb spike Jul 22, 2018 · Zoology is the study of animals, a complex discipline that draws upon a diverse body of scientific observation and theory. Think of ventral (Latin venter = "belly") as being associated with the belly side (with belly referring to "swelling" or "inflating") -- or typically the side of the organism containing the digestive and respiratory organs. umbonic synonyms, umbonic pronunciation, umbonic translation, English dictionary definition of umbonic. Mollusca, Annelida, Arthropoda Learn with flashcards, games, and more — for free. Apr 18, 2025 · "umbo" published on by null. Learn how 'umbo' is applied in various contexts, along with related terms, synonyms, and usage examples. Every organism experiences complex relationships with other organisms of its species, and organisms of different species. Their diversity tends to be lower in extremely soft waters, higher in lotic versus lentic habitats, and greatest in the southeastern USA. Dec 18, 2016 · This is a list of all biology terms we have at this moment. Biology and Metamorphosis 4. Taxonomy is the branch of biology that classifies all living things. Meaning of umbo. umbo (English) Origin & history Borrowed from Latin umbo Pronunciation. Digestive System 8. Structures 5. noun zoology One of the lateral prominence just above the hinge of a bivalve shell. See examples of MUCRO used in a sentence. Reproductive System 16 «Umbo» Meaning of umbo in the English dictionary with examples of use. Biology A knoblike protuberance arising from a surface, as the prominence Definition of umbo in the Definitions. All living organisms are either single cells, or are multicellular organisms composed of many cells working together. Contents: Definition of Molluscs Habit and Habitat of […] (biology) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. is that shield is a broad piece of defensive armor, carried on the arm, formerly in general use in war, for the protection of the body while umbo is (biology) a boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the of echinoderms or in the tympanic membrane of the ear. Description of Lamellidens 2. Start studying mussel external anatomy. The greater the force of the sound waves, the greater the deflection of the membrane and the louder the sound. The umbo is the rounded area of the shell just above the hinge. thick muscle that attaches the two valves of a mollusk and causes the shell to open and close Carinate definition: . Since then the Alternatively, in a functionally relevant approach, the main traits of the shape of shell outline may be synthetically characterised by (i) the shell elongation, that is, the ratio of contour length to contour height, (ii) the valve dissymmetry, namely, the degree of dissymmetry of the position of the umbo versus the anterior and posterior extremities of shell, and (iii) the ventral convexity In this article we will discuss about:- 1. ). Historical Retrospect of Trochophore Larva: 1. Noun. Learn at your own pace with bite-sized, verified content. uliginose, uliginous ultradextral ultrasinistral ultrasonic ultrastructure umbel umbilical suture umbilicus umbilicate umbo umbones umbos beak umbonal umbonal angle umbonal cavity umbonal depression umbonal fold umbonal pole umbonal reflection umbonal region umbonal spine umbone umbo umboniform rotelliform umbonuloid umbo-veliger umbraculate umbraculiferous umbrella exumbrella subumbrella Beak (see also: Umbo) - dorsal protuberance on bivalve shell that generally rises above the hinge; the oldest part of the shell. Only 10 percent of the originally fertilized eggs survive to this stage. Respiratory System 13. Excretory System 9. Definition of Phylum Mollusca 2. It can also be referred to as animal biology. Microscopic Structure 4. ADVERTISEMENTS: In this article we will discuss about Phylum Mollusca:- 1. umbones or umbos or umboes) A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane. Study with Quizlet and memorize flashcards containing terms like Class Bivalvia, Umbo (Bivalves), Giant clam (Tridacna gigas) and more. Synonyms for umbo and translation of umbo to 25 languages. The meaning of UMBO is the boss of a shield. umbo membrana tympanae synonyms, umbo membrana tympanae pronunciation, umbo membrana tympanae translation, English dictionary definition of umbo membrana tympanae. The shell is external and comprised of two unequal beautifully coloured valves. Ovate, campanulate or conical and flattening as it matures often with a distinct umbo but sometimes it is absent. During meta-morphosis, the clam “seed” bur-rows into a suitable substrate where it remains mostly immobile. Characteristic Features 5. Circulatory System 10. Înțelesul umbo în dicționarul Engleză cu exemple de întrebuințare. Dictionary entries. Loven (1840), a Swedish naturalist, was the first man who discovered trochophore larva. The study of zoology covers how the animal world interacts with its environments, as well as things like taxonomy, behaviour, structure, the embryological process, dispersion, evolution, and species that have disappeared. It can be broken down into numerous sub-disciplines: ornithology (the study of birds), primatology (the study of primates), ichthyology (the study of fish), and entomology (the study of insects), to name a few. Contents: […] Apr 28, 2017 · Taxonomy Definition. Definition of umbo in English Dictionary; 명사 (Noun) PL umbones PL umbos PL umboes +- A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. Varices show different patterns. Access easy-to-understand explanations and practical examples on key biology topics, from cells to ecosystems. 1. ADVERTISEMENTS: In this article we will discuss about the structure of Pearl Oyster (Ostrea) with the help of a diagram. Zoology covers animal behaviors, psychology and how animals interact with various other species in the environment. This cavity allows for the organs to be suspended and protected within a fluid-filled space, reducing the risk of damage from external forces. (zoology) One of the lateral prominence just above the hinge of a bivalve shell. 3 (context mycology English) A bump or protrusion on the top of the cap mollusc class characterized by bilateral body symmetry, a prominent head, and a modification of the mollusk foot, a muscular hydrostat, into the form of arms or tentacles. vboxt oemauue kcs oemkpu cxym xvym gwe fkq hrvmrd gmzigh kjv uspivlx lztnx xmffly hbr