Animal reproduction - Reproductive organs produce and transport gametes - Male reproductive anatomy
7 important questions on Animal reproduction - Reproductive organs produce and transport gametes - Male reproductive anatomy
What are Leydig cells and where in the body are they?
They are scattered between the seminiferous tubules inside the testis and they produce testosterone and other androgens.
What happens during the development of the testis before birth?
The testis develop high in the abdominal cavity, just before birth they decent into the scrotum, when it is inside a scrotum the term testis changes in testicle.
What is and what is the function of the scrotum?
The scrotum is a fold of the body wall, it maintains the testis at a temperature of about 2 degrees below the temperature in the abdominal cavity allowing sperm maturation.
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What happens with the testis of many rodent species between breeding seasons?
They are drawn back into the abdominal cavity, interupting sperm maturation.
What do the seminal vesicles do?
They are glands that produce a fluid that forms 60% of the vollume of semen. The fluid is thick, yellowish and alkaline. It contains mucus, fructose, a coagulating enzyme, ascorbic acid and local regulators.
What does the prostate gland do?
It is an accesory gland in the male reproductive system, it secretes it's product directly into the urethra, the fluid it produces is thick and milky, it contains anticoagulant enzymes and citrate (a sperm nutrient).
What do the bulbourethral glands do?
The bulbourethral glands are part of the male reproductive system. Before ejeculation they release a clear mucus that neutralizes anu acidic urine in the urethra.
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