- blastodermic ectoderm
- the external layer of a blastula or blastodisc; called also primordial e.
Medical dictionary. 2011.
blastodermic ectoderm
Look at other dictionaries:
primitive ectoderm — primordial ectoderm blastodermic e … Medical dictionary
Rauber layer — the most external of the three layers of cells which form the blastodisc or embryonic disc in the young embryo; called also blastodermic ectoderm and primitive ectoderm … Medical dictionary
layer — 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 … Medical dictionary
Endoderm — Organs derived from endoderm … Wikipedia
trophectoderm — Outermost layer of cells in the mammalian blastodermic vesicle, which will make contact with the endometrium and take part in establishing the embryo s means of receiving nutrition; the cell layer from which the trophoblast differentiates. [troph … Medical dictionary
Trophoblast — Blastocyst with an inner cell mass and trophoblast … Wikipedia
germ layer — n any of the three primary layers of cells differentiated in most embryos during and immediately following gastrulation * * * any of the three distinct types of tissue found in the very early stages of embryonic development (see ectoderm,… … Medical dictionary
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
triploblastic — Formed of three primary germ layers (ectoderm, mesoderm, endoderm), or containing tissue derived from all three layers. [G. triploos, threefold, + blastos, germ] * * * trip·lo·blas·tic .trip lō blas tik adj having three primary germ layers… … Medical dictionary
