Match the terms in column A with the descriptions in column B. Place the letter of your choice in the space provided.
Column A
a. Allantois
b. Amniotic fluid
c. Blastocyst
d. Chorionic villi
e. Endometrium
f. Fetal stage
g. Gastrula
h. Inner cell mass
L Placenta
j. Trophoblast
k. Zona pellucida
Column B
1. Gel layer around oocyte and early cleavage stages
2. Hollow bail of cells
3. Develops into extraembryonic membranes
4. Site of exchange of nutrients, gases, and wastes between the embryonic and maternal blood
5. Forms fetal portion of placenta
6. Forms maternal portion of placenta
7. Forms the umbilical cord blood vessels
8. Contains the ectoderm, endoderm, and mesoderm
9. Fluid that protects the embryo from jarring movements and provides a watery environment for development
10. Part of the blastocyst that develops into the embryo
11. Stage of development that begins at the end of week 8
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Laboratory Manual For Human Anatomy & Physiology
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