32 Questions
What is the primary function of Sertoli cells in the seminiferous tubules?
To facilitate the development of sperm by creating a barrier to blood-borne substances
What is the purpose of the dartos and cremaster muscles in the male reproductive system?
To control the temperature of the testes in response to changing environmental conditions
What is the number of chromosomes found in a male gamete, or sperm cell?
23
What tissue layer covers the testes and separates each one into 300-400 lobules?
Tunica albuginea
What is the term for the process by which Sertoli cells control the survival of germ cells?
Germ cell selection
What is the purpose of the blood-testes barrier created by Sertoli cells?
To prevent autoimmune responses by isolating developing germ cells
What is the primary function of the natural microorganisms present in the vagina?
To protect from pathogens
What is the term for one or both testes failing to descend into the scrotum prior to birth?
Cryptorchidism
What is the approximate duration of an ovarian cycle?
28 days
What is the percentage of semen that is made up of sperm?
5%
What is the term for the release of an oocyte from the ovary?
Ovulation
What is the function of the tunica albuginea in the ovaries?
To support the ovaries
What is the function of the bulbourethral glands?
To release fluid to lubricate and clean away urine residue
What is the term for the death of multiple follicles in the ovaries?
Atresia
What is the process by which the penis becomes erect?
Vasocongestion
What is the hormone that regulates testosterone production?
Gonadotropin releasing hormone (GRH)
What is the hormone responsible for stimulating the growth of follicles in the ovaries?
FSH
What is the structure that forms from the collapsed follicle after ovulation?
Corpus luteum
What is the function of the mitochondria in the midpiece of the sperm?
To power the flagellum
What is the primary function of the uterine tubes?
To facilitate the passage of the oocyte to the uterus
What is the process by which the sperm matures after formation?
Epididymal maturation
What is the part of the penis that is highly innervated and sensitive?
Glans penis
What is the phase of the menstrual cycle characterized by the shedding of the uterine lining?
Menses phase
What is the primary source of energy for the zygote during its early development?
Glucose
What is the fluid produced by the seminal vesicles?
High in fructose
What is the term for the removal of the foreskin through surgery?
Circumcision
What happens to the endometrium if there is no pregnancy within 10-12 days?
It will be shed
What is the role of the breasts in the reproductive system?
They provide milk or colostrum through lactation
How does hormonal birth control work?
By supplying a constant amount of estrogen and progesterone
What determines the development of the male reproductive system?
A cascade of factors starting with the Y chromosome
At what age does the hypothalamus start to produce more hormones, marking the beginning of puberty?
Around puberty
What is the effect of poor nutrition on puberty?
It leads to early puberty, especially in females
Test your knowledge on the human reproductive system, gametes, and chromosomes. Learn how the male and female reproductive systems work together to ensure proper development. Discover the importance of temperature and the role of the scrotum in sperm production.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
