Sperm are moved along the ductus deferens by...
peristaltic contractions
The organ that monitors and adjusts the composition of tubular fluid, recycles damaged spermatozoa, and is the site of sperm maturation is the...
epididymis
The organ that carries sperm from the epididymis to the urethra is the...
ductus deferens
What muscles move the testes toward the body?
both the cremaster and the dartos muscles
The spermatic cord is...
a bundle of tissue that contains the ductus deferens, blood vessels, nerves, and lymphatics that serve the testis
Sperm production occurs in the...
seminiferous tubules
When spermatogonia divide, the daughter cells are called...
spermatocytes
The cells that are formed during spermatogenesis by the first meiosis are called...
secondary spermatocytes
The organ that produces a secretion that contains fructose, prostaglandins, and fibrinogen is the....
seminal gland (seminal vesicle)
The organ that surrounds the urethra and produces an alkaline secretion is the...
prostate gland
The small paired structures at the base of the penis that secret a thick, alkaline mucus are the...
bulbo-urethral glands
Semen contains all of the following except...
spermatogonia
The special type of cell division required to produce gametes is called...
meiosis
The fold of skin that covers the glans penis is the....
prepuce
The role of FSH in males is to...
initiate sperm production in the testes
The male reproductive system is most closely associated with which of the following systems?
urinary
The delicate layer of serous membrane that covers the testis is called the...
tunica vaginalis
A primary spermatocyte matures into _______ spermatids having ______ chromosomes.
four; 23
Interstitial cells...
- are also called Leydig cells
- respond to luteinizing hormone
- produce testosterone
- are located between seminiferous tubules
Testosterone is secreted by...
interstitial cells
Endometrium
consists of a functional zone and basilar zone
The round ligaments extend from the...
lateral margins of the uterus, through the inguinal canal to the external genitalia
Each of the following statements concerning oogenesis is true except that...
- oogenesis begins before birth
- ova develop from stem cells called oogonia
- an ovum completes its last meiosis after it is fertilized
- by the time of their birth, girls have already lost about 80 percent of their oocytes
The surge in luteinizing hormone that occurs during the middle of ovarian cycle triggers...
ovulation
A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for...
follicle maturation
During the proliferative phase of the menstrual cycle,
the functional zone of the endometrium is restored
The vagina is...
a muscular tube extending between the uterus and external genitalia
The space bounded by the labia minora is the
vestibule
The pigmented skin that surrounds the nipple is the...
areola
Menstruation is triggered by a droping the levels of
progesterone
Which of the following is not an action of estrogen?
- mimics the symptoms of menopause
The portion of the uterine tube that ends in fingerlike fimbriae is the...
infundibulum
The segment of the uterine tube where fertilization commonly occurs is the...
boundary between the ampulla and ismthmus
A sample of a woman's blood is analyzed for reproductive hormone levels. The results indicate a high level of progesterone, relatively high levels of inhibin, and low levels of FSH and LH. The female is most likely experiencing _______ of the uterine cycle.
the secretory phase
The gradual modification of anatomical structures during the period from conception to maturity is....
development
Contact of a sperm with the oocyte membrane causes...
oocyte activation
After fertilization, the first cell division is completed...
more than a day later
The site where fertilization normally occurs is in the...
upper one-third of the uterine tube
After ovulation, the layer of follicle cells that surround the unfertilized egg is called the...
corona radiata
The developmental period that is the period of all embryological
...