The site of sperm maturation and storage.
The Epididymis
This hormone produced by Sertoli cells is involved in the negative feedback of the male reproductive system.
Inhibin
The gene on the Y chromosome that stimulates the development of male reproductive structures in an embryo.
TDF (SRY)
This tissue allows for the exchange of some substances between the mother and fetus, and is composed of the chorion and endometrium.
Placenta
The daughter cells of oogenesis that do not become gametes.
Polar bodies
Corpus luteum
This hormone causes the release of FSH and LH.
GnRH
The result of a zygote undergoing cleavage divisions.
Morula
These substances increase the chance of birth defects/structural abnormalities, especially during the first trimester,
Teratogens
The hormones that increase after a woman goes through menopause.
FSH, LH, (GnRH)
These three glands are collectively known as the male "accessory glands".
Seminal vesicle, prostate gland, Cowper's gland
The hormone tested for in an at-home pregnancy test.
hCG
The part of the blastula that secretes hCG.
Trophoblast
The trimester during which hCG is in the highest concentration.
First Trimester
The germ layer that will develop into the circulatory stsem.
Mesoderm
The site of fertilization.
Oviducts (fallopian tubes)
LH
The term describing an embryo that has implanted in an improper place.
Ectopic Pregnancy
The local hormones that help oxytocin stimulate uterine contractions during parturition.
prostaglandins
These four structures are referred to as the extra-embryonic membranes.
Chorion, Amnion, Allantois, Yolk Sac
The muscular layer of the uterus which contracts during parturition.
Myometrium
This hormone plays a role in maintaining the endometrium and inhibiting uterine contractions.
Progesterone
The germ layer which will eventually develop into the brain.
Ectoderm
The longest stage of parturition.
Dilation stage
The thin, yellowish fluid that is high in protein and antibodies that is produced during the first days after birth.
Colostrum