Flashcards in reproductive system Deck (56)
Male and female external genitalia develop from the same primordial structures.
Resolution phase of the male sexual response is followed by a refractory period, during which the man cannot attain another erection.
Puberty is initiated when the hypothalamus significantly increases secretion of
nadotropin-releasing hormone (GnRH).
The normal chromosome number in a human cell is
During embryonic development, male reproductive organs develop as a result of which of the following factors?
Testis-determining factor (TDF) region on the Y chromosome
The developing ___________ cells are responsible for influencing the development of male reproductive structures through the production of anti-Mullerian hormone.
A female is born with approximately 1.5 million _____ follicles, and these are the only follicle type that develops before puberty.
Ovulation involves the release of the _____________ from a vesicular follicle.
What are the phases of the male sexual response? Check all that apply.
Refractory periodRefractory period Incorrect
Excitement phaseExcitement phase Correct
Resolution phaseResolution phase Correct
The primary target cells for GnRH are located in the
anterior pituitary gland.
The anterior border to the perineum is the
The perineum consists of an anterior
urogenital triangle and a posterior anal triangle.
In both males and females, primary sex organs called _________________ produce the gametes.
When a cell's genetic content is designated as 1n, the cell is said to be _________.
A reduction division is one in which
the daughter cells receive only half as many chromosomes as the parent cell had.
A child has the same number of chromosomes as each of his parents. This is because the gametes that combined when that child was conceived each contained _____ chromosomes.
Sister chromatids are pulled apart in
Normally, the uterus is angled anterosuperiorly within the body, a position referred to as _________________.
Progesterone levels are highest during the ________ phase.
The fold of the labia minora that forms a hood over the clitoris is the ________.
Throughout childhood, primary oocytes are arrested in
The portion of the uterine wall that includes the basal layer is the
The rete testis
receives sperm from the seminiferous tubules.
Where are spermatozoa stored until they are fully mature?
Which of the male accessory glands encircles the urethra?
The external urethral orifice is found at the _________ of the penis.
What structures fuse during female development to form the uterus?
The caudal ends of the paramesonephric ducts
The expression of the ________ gene results in the production of proteins that stimulate synthesis of androgens that initiate development af a male phenotype.
_____ is a period in adolescence where the reproductive organs become fully functional and the external sex characteristics become more prominent.