Exam 5 - Anatomy & Physiology - The Male Reproductive System Primary Sex Organs

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each lobule of the testes contains

1-4 seminiferous tubules

There is no reduction in the number of chromosomes, all stem cells have _____ chromosomes (23 pairs)

46

The total length of each seminiferous tubule (sperm factories) is ____ meters

500

the process of making sperm takes _____ days

64-72

At puberty spermatogenesis occurs, spermatogonia continue to divide by mitosis but now produce 2 daughter cells. _____ remains a stem cell (spermatognium)

Type A-

At puberty spermatogenesis occurs, spermatogonia continue to divide by mitosis but now produce 2 daughter cells. _____ moves towards lumen and becomes a primary spermatocyte

Type B-

Tublues from the lobules converge to form a _____

straight tubule

The Primary sex organ in males are _____

testes

The _____ produce gametes (sperm)

testes

An example of a adrogen is:

testosterone

Androgens is involved in:

the development & function of the reproductive organs and the influence of sexual behavior & sex drive

The _____ is the terminal portion of the male duct system

urethra

The _____ transports both urine and semen

urethra

The testes is divided into 250-300 ______

wedge shaped tubules

Adrogens are:

male sex hormones

The testes produce _____

gametes

sex cells are also called

gametes

Primary sex organs are known as:

gonads

________ produce androgens, most important is testerone

Interstital cells / Leydig cells

Interstital cells / Leydig cells ______ produce

adrogens

The development and function of the reproductive organs is controlled by sex hormones ______. ______ also influence sexual behavior and sex drive.

androgens

the accessory reproductive organs are:

ducts, glands, and external genitalia

The _____ is 18" long from the epididymis to the ampulla.

ductus deferens

The _____ passes thru the prostate gland and joins the urethra

ductus deferens

The _____ propels sperm from storage site into the urethra

ductus deferens

The ______ joins the seminal vesicle to form short ejaculatory duct

ductus deferens

The _____ contains a coiled duct, sperm are stored and mature here it takes 20 days

epididymis

The overall goal of reproductive organs is to produce _____

offspring

The primary sex organ in females are _____

ovaries

At puberty spermatogenesis occurs, spermatogonia continue to divide by mitosis but now produce 2 daughter cells. Type A- remains a stem cell (spermatognium) Type B- moves towards lumen and becomes a primary spermatocyte ______ now divide by meiosis, which divides chromosome number in half.

primary spermatocytes

Spermatogenesis is:

production of sperm

Stem cells known as spermatogonia in the seminiferous tubules, divide by mitosis until _____

puberty

The development and function of the ______ is controlled by sex hormones androgens. Androgens also influence sexual behavior and sex drive.

reproductive organs

The straight tubules sends sperm into the _______ then onto the efferent ductules and duct of the epididymis

rete testis

Interstital cells / Leydig cells surround the _____

seminiferous tubules

Stem cells known as spermatogonia in the _____

seminiferous tubules

The _____ are the sites where sperm are made

seminiferous tubules

Primary sex organs produce ______ also known as gametes.

sex cells

Primary sex organs secrete _____

sex hormones

The epididymis contains a coiled duct where _____ are stored and matured

sperm

seminiferous tubules are also called _______

sperm factories

At puberty _____ occurs, spermatogonia continue to divide by mitosis but now produce 2 daughter cells

spermatogenesis

______ is the process of making sperm, which takes 64-72 days

spermatogenesis

Stem cells known as ______ in the seminiferous tubules, divide by mitosis until puberty

spermatogonia


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