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Flashcards in Fertilization Deck (14):
1

A sign of an oocyte being in M2 is the presence of a

polar body

2

Only sperm from the ___ has the capacity to navigate the vagina

ejaculate

3

The two important changes for sperm during capacitation are increases in what

pH and intracellular calcium

4

The release of enzymes known as ___ help the sperm penetrate the cumulus cells surrounding the oocyte

hyaluronidase

5

What's the main zona pellucida binding protein

ZP3

6

The __ is the primary binding site for sperm

zona pellucida

7

The __ allows the sperm to release egg penetrating enzymes and exposes the sperm nucleus

acrosome reaction

8

The tail of the sperm allows movement through the female and provides the ___ to get into the oocyte cytoplasm

motile force

9

__ __ release once a sperm enters the cytoplasm and it blocks polyspermy via the egg membrane and the ZP

cortical granules

10

_ entry into the egg is important for fertilzation

Ca2+

11

The embryo enters the uterus for implantation on day

5

12

Oocyte activation doesn't require a _ and this is important to not allow extraneous egg activation

sperm

13

Sperm counts with __% motility and __% normal morphology is desired

50; 4

14

Globozospermia lack a

acrosome