Male Reproductive
Secretion of testosterone is a function of these.
What are testes?
The mature ovarian follicle.
What is the graafian follicle?
Forty-four chromosomes are called this.
What are autosomes?
This is a fertilized egg.
What is a zygote?
Mammary glands produce this yellowish watery fluid rich in protein and antibodies.
What is colostrum?
The epithelium of the seminiferous tubules form this.
What is sperm?
This "yellow body" secretes two hormones: large amounts of progesterone and smaller amounts of estrogen.
What is the corpus luteum?
This autosomal abnormality has 3 copies of chromosome 21.
What is down syndrome or trisomy 21?
Twins that do not develop from the same egg and do not have the same genetic information.
What are fraternal or dizygotic twins?
Surgical procedure performed to restore the vas deferens and fertility in the male.
What is a vasovasostomy?
The head of the sperm is called _________. It contains enzymes that help the sperm penetrate the egg.
What is the acrosome?
This layer of the endometrium responds to the ovarian hormones.
What is the functional layer?
These disorders can be both inherited and those that are not inherited.
What is congenital disorders?
Embryonic development lasts from week ___ through week ___.
What is week 3 through week 8?
Alcohol, drugs and certain pathogens that can cause severe birth defects are called this.
What are teratogens?
Spermatogenesis comes about through the combined action of _____ and ______.
What is FSH (follicle stimulating hormone) and testosterone?
During this phase the cells repair the endometrial lining, and the lining becomes thicker.
What is the proliferative phase?
These are segments of the DNA strand and carry information for specific traits such as freckles.
What are genes?
This hormone is secreted by the posterior pituitary gland to cause the release of milk from the breast.
What is oxytocin?
Mammary glands that develop in the male.
What is gynecomastia?
Emission is caused by the influence of this on the ducts.
What is the sympathetic nervous system?
HCG prolongs the life of the corpus luteum for how long?
What is 11 to 12 weeks?
This syndrome describes a human with only one sex chromosome.
What is Turner syndrome?
These cells help the blastocyst to implant.
What are trophoblastic cells?
When blood levels of the ovarian hormones rise, secretions of these are low.
What is FSH and LH?