Chapter 28 - The Reproduction System #2 Flashcards
The prostate is located? It surrounds”
Inferior to the urinary bladder and surrounds the prosthetic urethra.
This is a single donut shaped gland about the size of a golf ball.
Prostate
This gland secretes a milky, slightly acidic fluid that makes up about 25% of the volume of semen.
Prostate
Secretions of the prostate enter the prostatic urethra through?
Prostatic ducts
Name 2 unique substances that are found in the fluid secreted by the prostate gland.
Prostate-specific antigen & seminalplasmin
If this substance found in the fluid secreted by the prostate has increased levels in blood, it can indicate enlargement of the prostate, infection, or prostate cancer.
Prostate-specific antigen
This is an antibiotic that can destroy bacteria and is found in the substance secreted by the prostate.
Seminalplasmin
These are paired glands about the size of peas.
Bulbourethral (Cowper’s) glands
Bulbourethral glands are located inferiorly to? They are located on either side of?
The prostate / either side of the membranous urethra
During sexual intercourse, these glands secrete an alkaline fluid into the urethra that protects the passing sperm from acids in urine; they also secrete mucus for lubrication.
Bulbourethral glands
This is a mixture of sperm and seminal fluid
Semen
This is a liquid that consists of the secretions of the seminiferous tubules, seminal vesicles, prostate, and Bulbourethral glands.
Seminal fluid
Semen contains how much sperm per milliliter?
100 million
What is the pH of sperm?
Slightly alkaline (7.2-7.7)
This provides sperm with a transportation medium, nutrients, and protection from the hostile acidic environment of the male’s urethra and the female’s vagina.
Seminal fluid
This contains the male urethra and is a passageway for semen and urine
The penis
This is the opening of the tip of the penis that allows semen or urine to exit the body.
External urethral orifice
The tip of the penis aka
Glans
The body of the penis is composed of how many cylindrical, erectile masses of tissue that fill with blood upon sexual stimulation?
3
The masses of tissues located in the penis?
Corpus cavernosa & corpus spongiosum
These are the 2 dorsolateral masses of the penis.
Corpora cavernosa
This is the smaller, single midventral mass of the penis which contains the spongy urethra.
Corpus spongiosum
These are paired glands that produce female gametes and hormones.
Ovaries
The ovaries contain little compartments or bags that contain developing gametes in various stages. These are called?
Follicles