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Themed 15x15 Freeform Crossword - Compiled By kayhow
Date: 09 Aug 2012 Title: Chapter 4 concepts
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Across
1. outermost embryonic membrane, has chorionic villi on surface which will develop into fetal portion of placenta (7)
4. increase peristalsis in fallopian tubes to move ova toward uterus and causes the cervical mucus to thin (8)
8. diploid cell (6)
10. number of umbilical arteries (3)
12. makes RBC (7)
14. cells of the _________ grow into the thick lining and become chorionic villi (11)
Down
1. removal of plasma membrane overlying the acrosomal area and the loss of seminal plasma proteins. (12)
2. number of umbilical veins (3)
3. burrows into uterine lining until covered (10)
5. how many layers the blastocyte differentiates into (5)
6. Acrosomal reaction: follow capacitation, sperm release _________ to breakdown surface of ova (7)
7. where fertilization takes place (7)
9. after zygote undergoes cleavage and has multiplied to a ball of 12 to 16 cells (6)
11. The endometrium is called the __________ after implantation (7)
13. the amnion and chorion form the fluid filled sac otherwise known as _______ (acronymn) (3)