Sperm Maturation

Question 0

Why is capacitation required?

Answer 0

~7hr process of conditioning sperm so they are able to fertilize

Question 1

Are freshly ejaculated sperm capable of fertilizing an oocyte?

Answer 1

NO!

Question 2

What is the process of capacitation?

Answer 2

process of conditioning sperm

Question 3

How long does capacitation take?

Answer 3

~7hrs

Question 4

Where does capacitation occur?

Answer 4

promoted in the uterus and oviducts by secretory factors produced there

Question 5

What changes occur in the sperm during capacitation?

Answer 5

enzymatic removal of glycoproteins from the sperm and the acrosome surface

Question 6

What happens to acrosome membrane during acrosome reaction?

Answer 6

perforations develop in the acrosome membrane

Question 7

When does a change in the acrosome membrane occur?

Answer 7

• occurs when the capacitated sperm contacts the corona radiata
• acrosomal membrane fuses at several points with sperm membrane

Question 8

What does Hyaluronidase facilitate?

Answer 8

Facilitates penetration through corona radiata

Question 9

What does Acrosin facilitate?

Answer 9

Facilitates penetration through zona pellucida