GENERAL EMBRYOLOGY

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Across:

2. Induces neural tube formation (9)
5. Human placenta is of this type (12)
6. Founder of Embryology (9)
7. Cells of outer cell mass of the developing blastocyst (11)
8. Stage of the embryo with a trilaminar germ disc (8)
9. Sausage-shaped diverticulum from the caudal wall of the yolk sac that extends into the connecting stalk (9)
10. This glycoprotein layer covering the zygote prevents implantation at abnormal sites (4,9)
13. Induces notochord formation (9,6)
15. This congenital anomaly results due to failure of closure of the rostral neuropore (11)
18. Gravid endometrium (7)
19. Term depicting complete life cycle of an organism (8)
20. Stage of a developing embryo where the neural tube has started developing (7)
21. Derivative of paraxial intraembryonic mesoderm (6)
23. Site of development of primordial germ cells (4,3)
24. One of the dizygotic twins with blood cells of two genotypes i.e. erythrocyte mosaicism (7)
25. Term for embryo and its associated membranes (9)

Down:

1. Stage of the embryo showing development of pharyngeal arches (10)
3. This event restores the diploid status (13)
4. Towards the head end (7)
11. Trophoblast and extraembryonic somatopleuric mesoderm for this structure (7)
12. Phenomenon that causes a person to have at least two different cell lines (9)
14. An agent that causes morphological alterations of the developing embryo or its parts (9)
16. Series of successive mitotic divisions of the zygote that form blastomeres (8)
17. Lining of the cavity between the trophoblast and the epiblast of the bilaminar germ disc (6)
22. Fertilization outside the human body i.e. in a petridish (acronym) (3)