{Embryonic sac} or {Embryonic vesicle} (Bot.), the vesicle within which the embryo is developed in the ovule; -- sometimes called also {amnios sac}, and {embryonal sac}. [1913 Webster]
The Collaborative International Dictionary of English. 2000.
embryonic vesicle — noun : egg 1b … Useful english dictionary
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 sac}, and… … The Collaborative International Dictionary of English
Embryonic sac — 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
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
vesicle — noun Etymology: Middle French vesicule, from Latin vesicula small bladder, blister, from diminutive of vesica Date: 1578 1. a. a membranous and usually fluid filled pouch (as a cyst, vacuole, or cell) in a plant or animal b. a small abnormal… … New Collegiate Dictionary
otic vesicle — n AUDITORY VESICLE * * * a detached ovoid sac formed by closure of the otic pit in embryonic development of the external ear; called also acoustic or auditory v … Medical dictionary
brain vesicle — n any of the divisions into which the developing embryonic brain of vertebrates is marked off by incomplete transverse constrictions … Medical dictionary
optic vesicle — n an evagination of each lateral wall of the embryonic vertebrate forebrain from which the nervous structures of the eye develop … Medical dictionary
optic vesicle — noun Date: circa 1885 an evagination of each lateral wall of the embryonic vertebrate forebrain from which the nervous structures of the eye develop … New Collegiate Dictionary
Kupffer's vesicle — a small ventro caudal epithelial pocket formed mid ventrally posterior the the yolk cell or its extension as the blastopore narrows in embryonic fish … Dictionary of ichthyology
