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name the structure through which exchang...

name the structure through which exchange of materials between mother nad foetus occurs.

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Placenta.
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SANTRA PUBLICATION-HUMAN REPRODUCTION-VERY SHORT ANSWER TYPE QUESTIONS
  1. Name the laye of cells forming the outer wall of the blastocyst?

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  2. Deposition of spems in female reproductive tract is called

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  3. Name the non cellular secreted transparent layer that surrounds the ov...

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  4. Name the tube which carries spermatozoa out from the testis.

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  5. Which hormone is reponsible for the development and maintenance of the...

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  6. name the structure through which exchange of materials between mother ...

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  7. Which particular part of the mammalian sperm secretes enzymes to facil...

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  8. Please give the term which indicate the pehnomenon of sperm activation...

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  9. What is called incomplete descent of testis into scrotum.

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  10. Give the name of two female secondary sex organs.

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  11. Mixing up of both sperm and ovum chromosome is called.

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  12. The anterior end of epididymis is

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  13. By which structure vaginal orifice is covered?

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  14. Name the muscular copulatory organ of male?

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  15. In each day how many sperms are formed?

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  16. Give the term which indicate transformation of sperrmatids into sperma...

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  17. What is the duration of luteal phase during menstrual cycle ?

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  18. Name a chemical substance and an active enzyme which are secreted from...

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  19. What did you mean by oligospermia and azoospermia?

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  20. What is semen?

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