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Developmental

Lecture 7

QuestionAnswer
The ovaries produce the ____ and deposit it (them) into the oviduct. oocyte(s)
The ___ sweep the egg(s) into the oviduct (fallopian tube) where they travel to the uterus. Fimbriae
Starting at the 8-cell stage we get compaction
16-cell stage is called a morula
ZO prevents implantation in oviduct
By 64-cell stage we get determination
For ___ ____ mass, cells will develop into embryonic tissue inner cell
For ____ ____, they will develop into extra embryonic tissues. outer cells
The blastocoel forms from ____ of 128-cell stage. trophoblast
The ____ is a special type of blastula found in mammals. Blastocyst
The ____ secretes proteases which digest away Z.P. and therefore allows the embryo to implant in the uterus. trophoblast
Proteins on the cell surface of the trophoblast bind to receptors on the endometrium (uterine epithelium) and then once bound the blastocyst secretes proteases to digest away the surrounding tissue and implant itself in the uterine wall. ....
The generates the amnion (layer over the epiblast) to surround the embryo. ICM
____ gives rise to other membranes Trophoblast
Created by: AshCha
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