Male & Female Reproductive System — Structures & Functions — Human Reproduction Flashcards
(72 cards)
Where are male gametes (sperm) produced within the 2 testes?
Sperm cells are produced within the seminiferous tubules of the testes.
Name one function of the male penis?
The penis transfers sperm from the male into the vagina of the female.
The cells of Leydig secrete the hormone ________.
The cells of Leydig secrete the hormone testosterone.
Name the three key functions of the male reproductive system.
- Produce sperm cells.
- Produce sex hormones.
- Transfer sperm.
Complete the following: the cells of Leydig within the ______ produce the hormone _________.
The cells of Leydig within the testes produce the hormone testosterone.
In developing male embryos, where do the testes develop, and where do they descend to before birth?
The testes develop in the abdominal cavity and descend into the scrotum before birth.
Typically, what temperature must the testes be kept at and why?
The testes must be kept at 1-3 degrees Celsius lower than body temperature to ensure sperm viability.
Name the three tubes involved in the male reproductive system tract.
The three tubes are the epididymis, vas deferens, and urethra.
What are the functions of the TWO seminal vesicles located between the bladder and the rectum?
Secretions give sperm nutrients, specifically fructose, which supplies them with energy and proteins.
Functions of the prostate gland located just below the bladder?
- Produces milky, alkaline fluid.
- Increases mobility of sperm.
- Improves lifespan of sperm.
- Helps neutralize the acidic vagina.
Functions of the TWO Cowper’s Glands?
- Produces pre-ejaculate to neutralize acidity in the urethra.
- Makes urethra hospitable for sperm.
Where in the pair of testes are sperm cells produced?
Sperm cells are produced within the seminiferous tubules.
Name 2 processes testosterone is necessary for.
- Development of sex organs.
- Development of secondary male sexual characteristics.
What is the name of the single, densely coiled structure which lies outside the testes?
The structure is called the epididymis.
Name TWO functions of the epididymis.
- Gain motility.
- Gain maturation.
What is another term for the vas deferens?
Another term for the vas deferens is sperm duct.
What similarity is there between the epididymis and the prostate gland functions?
Both increase the motility of sperm.
What are the 3 glands that contribute fluids to the sperm to form semen.
- Seminal Vesicles (two)
- Prostate Gland
- Cowper’s Gland (two)
What is the role of the reproductive system in females? Name TWO things.
How long is a typical pregnancy?
The structure called the oviducts is also known as the …?
What is the outer layer of each ovary made up of?
The germinal epithelium which forms _____ containing primary oocytes which will eventually give rise to the ___.
When do primary oocytes with the primary follicles form in a female?