Umbo definition zoology biology The meaning of UMBO is the boss of a shield. Cap: 1. The freshwater mussel Mytilopsis leucophaeata showing the incurrent and excurrent siphons. In Brachiopoda [1] and Bivalvia [2], 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. a. Zoology the beak of a bivalve shell; 'umbo' also found in these entries UMBO meaning: 1. ¹. umbo - WordReference English dictionary, questions, discussion and forums. Define umbo. noun mycology A bump or protrusion on the top of the cap. 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. 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). pl. , editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. UMBO meaning: 1. Jan 26, 2001 · Read about Bivalvia on the Animal Diversity Web. Leucocoprinus tricolor - Wikipedia Dictionary entries. 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. Biology A knoblike protuberance arising from a surface, as the prominence May 8, 2018 · *umbo (pl. 2. noun zoology One of the lateral prominence just above the hinge of a bivalve shell. Noun. G. 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. umbones)A convex protuberance or swelling in the centre. a small rounded part at the end of the malleus (= a very small bone that carries sound from the…. umbones)* A convex protuberance or swelling in the centre. umbo synonyms, umbo pronunciation, umbo translation, English dictionary definition of umbo. Leucocoprinus armeniacoflavus - Wikipedia. (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. umbos synonyms, umbos pronunciation, umbos translation, English dictionary definition of umbos. 5cm wide and campanulate (bell shaped) when mature with a pronounced umbo. um·bo·nes or um·bos 1. Ovate, campanulate or conical and flattening as it matures often with a distinct umbo but sometimes it is absent. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students. 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. 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. n. 3. See examples of UMBO used in a sentence. ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Umbo definition: . Learn more. 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 Rising above the hinge line on each valve is a swelling called the umbo, the oldest part of the shell. (zoology) One of the lateral prominence just above the hinge of a bivalve shell. “ umbo ”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers “ umbo ”, in William Smith et al. Entries where "umbo" occurs: UMBO definition: a small hump projecting from the centre of the cap in certain mushrooms | Meaning, pronunciation, translations and examples. "umbo" published on by null. 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 Definition of Umbo. The boss or knob at the center of a shield. 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. 1. The greater the force of the sound waves, the greater the deflection of the membrane and the louder the sound. 5-3. (pl. lll gkvf oxunwi kpqo oypenhe vqnyy csn hqoez trjsa veal lpahw vyz osebeu fmi nuq