embryonic disk

embryonic disk
embryonic disk or embryonic disc n
1 a) BLASTODISC
b) BLASTODERM
2) the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield

Medical dictionary. 2011.

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  • Embryonic disk — Infobox Embryology Name = PAGENAME Latin = GraySubject = 6 GrayPage = 47 Caption = Section through embryonic disk of Vespertilio murinus. Caption2 = Surface view of embryo of a rabbit. (After Kölliker.) arg. Embryonic disk. pr. Primitive streak.… …   Wikipedia

  • embryonic disk — noun 1. a. : blastodisc b. : blastoderm 2. or embryonic shield : the part of the inner cell mass of a blastoc …   Useful english dictionary

  • embryonic disk — noun Date: circa 1938 1. a. blastodisc b. blastoderm 2. the part of the inner cell mass of a blastocyst from which the embryo of a placental mammal develops called also embryonic shield …   New Collegiate Dictionary

  • embryonic disk — Embryol. 1. Also called embryonic shield. in the early embryo of mammals, the flattened inner cell mass that arises at the end of the blastocyst stage and from which the embryo begins to differentiate. 2. the blastodisk of yolky eggs. [1935 40] * …   Universalium

  • embryonic disk — em′bryon′ic disk′ n. 1) dvl in the early embryo of mammals, the flattened inner cell mass that arises at the end of the blastocyst stage and from which the embryo begins to differentiate 2) dvl the blastodisk of yolky eggs 3) blastodisk •… …   From formal English to slang

  • embryonic shield — noun see embryonic disk …   New Collegiate Dictionary

  • embryonic shield — noun see embryonic disk 2 …   Useful english dictionary

  • disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee …   Medical dictionary

  • embryonicdisk — embryonic disk n. 1. A platelike mass of cells in the blastocyst from which a mammalian embryo develops. Also called embryonic shield. 2. See germinal disk. * * * …   Universalium

  • embryonicshield — embryonic shield n. See embryonic disk. * * * …   Universalium

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