embryo vesicle

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• Vesicle — In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa (the lining of the mouth). Vesicles are less than .5 centimeters in diameter.In anatomy, a vesicle is any small… …   Medical dictionary

• Optic vesicle — Transverse section of head of chick embryo of forty eight hours’ incubation. (Optic vesicle labeled at lower right.) …   Wikipedia

• Otic vesicle — Embryo between eighteen and twenty one days …   Wikipedia

• Auditory vesicle — Infobox Embryology Name = PAGENAME Latin = GraySubject = 228 GrayPage = 1030 Caption = Embryo between eighteen and twenty one days. Caption2 = Section through hind brain and auditory vesicles of an embryo more advanced than that of Fig. 898.… …   Wikipedia

• Embryonic vesicle — Embryonic Em bry*on ic, a. (Biol.) Of or pertaining to an embryo; embryonal; rudimentary. [1913 Webster] {Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; sometimes called also {amnios… …   The Collaborative International Dictionary of English

• umbilical vesicle — n the yolk sac of a mammalian embryo usu. having the form of a fluid filled pouch, corresponding to the yolk sac of an oviparous vertebrate, and having a transitory connection with the alimentary canal by way of the omphalomesenteric duct * * *… …   Medical dictionary

• Umbilical vesicle — Umbilical Um*bil ic*al, a. [Cf. F. ombilical. See {Umbilic}, n.] 1. (Anat.) Of or pertaining to an umbilicus, or umbilical cord; umbilic. [1913 Webster] 2. Pertaining to the center; central. [R.] De Foe. [1913 Webster] {Umbilical cord}. (a) (Anat …   The Collaborative International Dictionary of English

• lens vesicle — a vesicle formed by fusion of the edges of the lens pit of the embryo; it later develops into the crystalline lens …   Medical dictionary

• olfactory vesicle — 1. the vesicle in the embryo that later develops into the olfactory bulb and tract. 2. a bulbous expansion at the distal end of an olfactory cell, from which the olfactory hairs project …   Medical dictionary

• ophthalmic vesicle — optic vesicle an evagination developing on either side of the forebrain of the early embryo, from which the percipient parts of the eye are formed …   Medical dictionary

• cephalic vesicle — (ARTHROPODA: Insecta) A single sac formed by the union of the larval pharynx and its diverticula, through which it is presumed that fluid passes to circulate into and around the embryo …   Dictionary of invertebrate zoology