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Human Embryology: Sex Differentiation and Gonadal Development

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Human Embryology: Sex Differentiation and Gonadal Development

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Questions and Answers

What is the main function of the bulbourethral gland in the male reproductive system?

Production of testosterone

Regulation of spermatogenesis

Secretion of fluids that carry semen (correct)

Maturation of sperm

What is the primary role of the Leydig cells in the testes?

Maturation of sperm

Secretion of seminal fluid

Regulation of testosterone production (correct)

Production of inhibin

What is the average volume of semen in an ejaculate?

10-15 ml

1-2 ml

2-5 ml (correct)

5-10 ml

What is the process by which sperm undergo a series of changes in the female reproductive tract to become fertilization-competent?

Capacitation Signup and view all the answers

What is the function of the seminal vesicle in the male reproductive system?

Secretion of seminal fluid Signup and view all the answers

What is the primary role of the Sertoli cells in the seminiferous tubules?

Regulation of spermatogenesis Signup and view all the answers

What is the main function of the hypothalamus in the regulation of testosterone production?

Production of GnRH Signup and view all the answers

What is the primary source of androgens in the body?

Testes Signup and view all the answers

What is the function of inhibin in the male reproductive system?

Inhibition of FSH secretion Signup and view all the answers

What is the average concentration of sperm in an ejaculate?

50-130 million/ml Signup and view all the answers

What is the process by which sperm travel from the seminiferous tubules to the female fallopian tube?

Ejaculation Signup and view all the answers