Question

T/F: sperm undeego capacitarjon while in the female reproductive tract

which it the following statwments is incorrect?

a) leydig cells form a blood-testis barrier

b) theca cells havw LH receptors

c) granulosa cells convert testosterone secreted by the theca cells into estrogen

d) sertoli cells have FSH receptors

T/F: maternal and fetal blood mix at the placenta to procide oxygen to the fetus

Answer 1

Answer

1) Sperm undergo capacitation while in the female reproductive tract --- TRUE

• Capacitation is the process that enable the sperm to penetrate the secondary oocyte.
• It oocurs while in uterus or ampulla of fallopian tube in female reproductive tract.

2. Option A) Leydig cells form a blood-testis barrier

• Bloos testis barrier is formed by : Sertoli cells and Myoid cells
• It is barrier between blood vessels and the lumen of seminiferous tubules.

3) Maternal and fetal blood mix at the placenta to provide oxygen to the fetus --- FALSE

• The transfer of oxygen and nutritents through placenta occurs by the process called diffusion.
• It allows substances to cross move without energy expenditure.
• Hence, the blood do not mix at the placenta to provide oxygen to the fetus.