Male Reproductive System Overview

These flashcards cover key concepts related to the male reproductive system, focusing on its structure, function, and associated processes.

What is the main goal of the male reproductive system?

To reproduce and make children.

What are the two main types of gametes produced in reproduction?

Eggs (female gamete) and sperm (male gamete).

What hormone is primarily produced by the testes?

Testosterone.

What are the functions of testosterone in males?

It influences the development of male physical features and secondary sexual characteristics.

What is the function of the testicles?

To produce sperm and testosterone.

What structures are involved in transporting sperm from the testes to the urethra?

Ductus deferens (vas deferens).

What do the seminal vesicles produce?

Seminal fluid, making up about 60% of semen volume.

What is the function of the prostate gland in the male reproductive system?

To produce a fluid that nourishes sperm and helps neutralize vaginal acidity.

How does an erection occur?

Through sexual stimulation, leading to the release of nitric oxide, which dilates arteries and increases blood flow to the penis.

What is spermatogenesis?

The process by which sperm cells are produced in the seminiferous tubules.

What is the difference between spermatogenesis and spermiogenesis?

Spermatogenesis is the formation of sperm cells from spermatocytes, while spermiogenesis is the maturation of spermatids into mature sperm.

Why is the temperature of the testes important for sperm production?

Sperm production is optimal at about 2 degrees Celsius lower than body temperature.

What is the role of fructose in semen?

To provide energy and mobility to sperm cells.

What is the role of FSH and LH hormones in the male reproductive system?

FSH stimulates Sertoli cells for sperm production and LH stimulates Leydig cells to produce testosterone.

How many sperm are produced by a male per second?

About 1500 sperm per second.

What are some common diseases associated with the male reproductive system?

Erectile dysfunction, testicular cancer, prostate problems, and infertility.

What is erectile dysfunction?

The inability of the corpus cavernosum to maintain an erection.