Egg and Sperm
These are the three sections of a sperm cell.
What are the head, midpiece, and tail?
The body part where spermatozoa are produced?
Seminiferous tubules of the testes
The sperm releases the _______ into the egg cell
Nucleus
The levels of hCG are maintained for roughly _______ weeks while the placenta is being developed
8-10 weeks
The structure that makes up the testes
What are seminiferous tubules?
These are the two distinct layers of an egg.
What are the Corona Radiata and Zona Palucida?
The processes that occur pre-nataly, in puberty, and in fertilization
Mitosis and growth, meiosis I, and meiosis II
External fertilization is most common in this group of organisms.
Secreted when the blastocyst is implanted in the endometrial lining
What is human chorionic gonadotropin?
Formed after the Corpus Luteum degeneragtes
What are Corpus Albicans?
Eggs produce this to prevent polyspermy.
What are cortical granules?
The end product of oogenesis
Origin of 1 egg and 2-3 polar bodies?
The process of releasing gametes into the water
What is Spawning
Maintains the endometrium and thickens the cervix
What is the role of progesterone?
Sertoli cells
Despite many diagrams, the egg has no ____ until after the sperm fertilizes it.
Nucleus
This process occurs after meiosis II
What is Differentiation
This substance coats the sperm
What is a cholesterol coat?
When hCG levels begin to drop, this occurs...
The Corpus Luteum begins to degenerate
Purpose of the basement membrane
The Zona Pellucida is a ______ ____ and acts as barrier to prevent sperm entry.
Glycoprotein Matrix
Spermatogenesis and oogenesis both involve what 4 stages?
Mitosis, cell growth, two divisions of meiosis, and differentiation
Three processes of human fertilization
Produces estrogen and progesterone...
What is the role of the Corpus Luteum?
Purpose of the outer germline epithelium in oogenesis?
Trick question: it does not contribute to gamete formation.