Ch. 22 Flashcards
When do the testes begin to descend?
Two months prior to birth
Where do the testes originate in a fetus?
Retroperitoneal space
The failure of testes to descend is referred to as ___.
Cryptorchidism
Spermatogenesis is a function of the ___.
Seminiferous tubule
The process of capacitation usually occurs in the ___.
Vagina
Which term includes the other terms? Spermatozoa Alkaline mucus Semen Fructose
Semen
The urethra passes through the ___ of the penis.
Corpora spongiosum
Which of the following is compatible with penile erection?
Parasympathetic stimulation
Arterial dilation
Venous compression
Which hormone initiates the changes in puberty?
GnRH
Which of these includes the other terms? Labia Clitoris Vulva Vestibular glands
Vulva
What structure corresponds to the scrotum in the male?
Labia major
The ___ is the space between the labia minor.
Vestibule
Which of the following is part of the clitoris?
Corpora cavernosa
Crura
Glans
The female Bartholin glands correspond to the male ___.
Cowper’s
Which of the following is a steroid?
Estrogen
Which hormone thickens the lining of the uterus?
Estrogen
Which hormone causes the uterus to increase glycogen?
Progesterone
The shredding and bleeding of the deciduous during menses is directly caused by low levels of ____.
Sex steroids
Which of the following is a result of menopause?
Loss of hormones
Reduction in breast mass
Psychological changes
Specifically, where are sperm cells formed within the testes?
Within the seminiferous tubules
What is the source of the male sex hormone?
Interstitial cells
Testicular cancer usually arises from the ___.
Seminiferous tubules
Where do sperm cells attain fertilization Competence and motility?
Epididymis
Where does the epididymis direct sperm cells into?
Vas deferens
The end of the vas deferens is a dilated sac called ___.
Ampulla
The ejaculatory duct is the union of the vas deferens and ___.
Seminal vesicles
The substrate used from sperm metabolism is produced by the ___.
Seminal vesicles
The main function of the prostate seems to be ___.
Secretion of alkaline mucus
Infertility could develop when the sperm cells display ___.
A count less than 20 million per ml semen
Which of the following has no homolog in the female?
Prostate
Which of the following has homolog in the female?
Penis
Scrotum
Bulbourethral glands
Hypothalamus secretes ___.
GnRH
Anterior pituitary secretes ___ and ___.
FSH and LH
Ovaries secrete female sex hormones at ___.
Puberty
The target of FSH is the ___.
Seminiferous tubules
The target of ICSH is the ___.
Interstitial cells
Testosterone is converted to ___ in the prostate.
Dihydrotestosterone
Which of the following is a function of testosterone?
Thickening of the larynx
Anabolism of skeletal muscle
Thickening of bones
What normally inhibits testosterone production?
Decreasing ICSH
The largest ovarian ligament is the ___ ligament.
Broad
How many oocytes are there in the ovaries of an adult?
400,000
Which cell has been fertilized by a sperm cell?
Secondary oocyte
A cell called the ___ is a fertilized cell with 46 chromosomes.
Zygote
The result of oogenesis is ___.
One secondary oocyte
The outside layer of the oocyte is the ___.
Zona pellucida
The mature follicle is also called a ____.
Graafian follicle
When do the corona radiata cells appear?
12 days
During ovulation, the oocyte passes into the ___.
Pelvic cavity
What is the first structure to receive the oocyte?
Fimbriae
The largest component of the uterus by weight is the ___.
Myometrium
The superior portion of the uterus is the ___.
Fundus
The outer serosal layer of the uterus is the ___.
Perimetrium
The superior region of the vagina is the ___.
Cervix
Which hormone stimulates the secondary female sex organs?
Estrogen
Which of these is a function of estrogen?
Decreases adipose
What area experiences the greatest changes in a menstrual cycle?
Endometrium
Which of the following is a source of estrogen?
Adrenal gland
Ovary
Follicle
Which factor causes the act of ovulation?
Blood pressure LH levels FSH levels Estrogen Don't know the answer look it up