blastodermic disk
1disk — 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 …
2layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …
3Trophoblast — Blastocyst with an inner cell mass and trophoblast …
4blastoderm — [blas′tōdʉrm΄, blas′tədʉrm΄] n. [ BLASTO + DERM] the part of a fertilized ovum that gives rise to the germinal disk from which the embryo develops blastodermic adj …
