10.3 The Male Reproductive System

Question 1

also called the male gonad, is the organ that produces spermatozoa

Answer 1

Testis or testicle

Question 2

is the male reproductive cell, the sperm, male sex cell, or seed and is formed in the testis

Answer 2

Spermatozoon

Question 3

is the production of spermatozoa, and includes the divisions necessary to produce mature spermatozoa, each with 23 chormosomes

Answer 3

Spermatogenesis

Question 4

is a thick white fluid containing spermatozoa and the secretions of the other male reproductive glands

Answer 4

Semen

Question 5

in the male, is the age at which the testes begin to produce mature spermatozoa, with an increase in the secretions of the male sex hormones, the androgens.

Answer 5

Puberty

Question 6

These stimulate the development of the secondary sexual characteristics: the enlargement of the penis, and the testes, the appearance of the whiskers, the change in voice, and a change in the attitude towards the female

Answer 6

Puberty

Question 7

the prevention of mature spermatozoa from being discharge from the male organs

Answer 7

Sterilization

Question 8

any procedure by which spermatozoa are prevented from forming

Answer 8

Castration

Question 9

it the ability to produce offspring by a spermatozoon uniting with an ovum

Answer 9

Fertility

Question 10

Male gamete

Answer 10

male reproductive cell, spermatozoon

Question 11

orchis

Answer 11

Testes

Question 12

Two glands in the male that produce spermatozoa. 4 to 5 cm or 2 inches in length and lies vertically

Answer 12

Testes

Question 13

large number of lobules or compartments

Answer 13

Testes

Question 14

1 to 3 minute coiled tubules

Answer 14

seminiferous tubules

Question 15

15 to 20 larger tubules

Answer 15

efferent duct

Question 16

single tube

Answer 16

epididymis

Question 17

is a sac that is suspended below the pubic arch, anterior to the upper thighs

Answer 17

Scrotum

Question 18

consists of an expanded end, a constricted neck, a short body and a long tail

Answer 18

Spermatozoon

Question 19

a single globular gland that is located in the male pelvis below the urinary bladder

Answer 19

Prostate Gland

Question 20

composed of many secreting tubules that join together to form about 20 small ducts and empties into the prostatic part of the urethra

Answer 20

Prostate Gland

Question 21

secretes a watery fluid that forms part of the semen

Answer 21

Prostate Gland

Question 22

are two elongated nodular glands that lie obliquely in the pelvis posterior to the bladder

Answer 22

right and left seminal vesicles

Question 23

about 7.5 cm or 3 inches in length

Answer 23

Seminal vesicles

Question 24

consists of a single tubule that is coiled upon itself that secretes a part of the semen

Answer 24

Seminal vesicles

Question 25

each seminal vesicle tubule ends in an excretory duct that joins the corresponding deferent duct to form the ______

Answer 25

ejaculatory duct

Question 26

small pea shaped glands lie one on each side of the membranous part of the urethra

Answer 26

Bulbourethral Gland

Question 27

secretions from part of the semen

Answer 27

Bulbourethral Gland

Question 28

lies posterior to the testis is composed of a single tube that is repeatedly coiled upon itself. It would stretched about 20 feet long

Answer 28

Epididymis (epdidymides)

Question 29

Epididymis begins at the upper end of the testis by the union of the 15 or 20 efferent tubules formed by the minute tubules - _____

Answer 29

Seminiferous tubules

Question 30

A continuation of the epididymis. It terminated by joining the excretory duct of the same side to form the ejaculatory duct

Answer 30

Deferent Duct – ductus deferens

Question 31

vessel

Answer 31

vas

Question 32

is formed by the union of a deferent duct with the corresponding excretory duct from the seminal vesicle

Answer 32

Ejaculatory Duct

Question 33

male organ of copulation

Answer 33

Penis

Question 34

It is cylindrical and when flaccid hangs down below the pubes, and anterior to the upper thighs

Answer 34

Penis

Question 35

Penis length

Answer 35

15 cm or 6 inches

Question 36

Penis consist of 3 cylinders of erectile tissue:

Answer 36

o 2 Corpora cavernosa | o 1 Corpora spongiosum

Question 37

2 cylinders of erectile tissue that occupy the lateral and upper parts of the organ

Answer 37

Corpora cavernosa

Question 38

a single smaller cylinder of erectile tissue that extends from the membranous urethra to the end of the penis. It is centrally located.

Answer 38

Corpora spongiosum

Question 39

The penile or spongy part of the urethra (3rd part) runs through the center of the corpus spongiosum, and opens at the gland by slitlike orifice, the external opening (orifice)

Answer 39

Corpora spongiosum

Question 40

is a tissue that when filled with blood enlarges and becomes firm

Answer 40

Erectile tissue

Question 41

is a small ropelike structure that extends from the scrotum on each side up over the pubic bone to the anterior abdominal wall

Answer 41

Spermatic cord

Question 42

produces spermatozoa, and secretes androgens, the male gonadal (sex) hormones

Answer 42

Testis

Question 43

Seminiferous tubules in the testis form

Answer 43

spermatozoa, the male reproductive cells

Question 44

are secreted by interstitial cells in the testis

Answer 44

Androgens, testosterone and androsterone, male gonadal hormones

Question 45

stimulate growth in the young male, and development of the secondary sex characteristics at puberty

Answer 45

Androgens

Question 46

is a very tortuous passage that conveys spermatozoa from the epididymis to the ejaculatory duct in the pelvis

Answer 46

Epididymis

Question 47

is a passage that conveys spermatozoa from the epididymis to the ejaculatory duct in the pelvis

Answer 47

Deferent Duct

Question 48

is a small gland that secretes part of the semen

Answer 48

Seminal vesicle

Question 49

conveys the secretion of the seminal vesicle to the deferent duct to mix with spermatozoa

Answer 49

duct of the seminal vesicle

Question 50

conveys spermatozoa and the secretion of the seminal vesicle to the prostatic urethra

Answer 50

ejaculatory duct

Question 51

It is formed by the union of the ducts of the seminal vesicle and the deferent duct

Answer 51

ejaculatory duct

Question 52

secretes part of semen

Answer 52

prostate gland

Question 53

open into the prostatic urethra and convey prostatic secretion into the urethra to mix with spermatozoa

Answer 53

Small prostatic ducts

Question 54

secrete part of the semen and have ducts opening into the urethra

Answer 54

Bulbourethral glands

Question 55

conveys semen containing spermatozoa, through the penis into the vagina at intercourse

Answer 55

urethra

Question 56

contains spermatozoa as well as the secretions of the seminal vesicles prostate gland, and bulbourethral glands

Answer 56

Semen

Question 57

seed

Answer 57

Semen

Question 58

external urethral opening on the upper dorsal surface of the penis, not at its end

Answer 58

Epispadias

Question 59

the external urethral opening is on the under surface (ventral surface) of the penis

Answer 59

Hypospadias

Question 60

non-descent of the testes into the scrotum they remain in the abdomen or in the anterior abdominal wall

Answer 60

Cryptorchidism

Question 61

an inflammation of the epididymis

Answer 61

Epididymitis

Question 62

a removal of the epididymis

Answer 62

Epididymectomy

Question 63

inflammation of the testis

Answer 63

Orchitis

Question 64

an enlargement of the prostate gland that frequently occurs in older males

Answer 64

Prostatism

Question 65

removal of the prostate gland

Answer 65

Prostatectomy

Question 66

pieces of prostatic tissue are removed through the urethra by a cystoscope with a special cutting blade

Answer 66

Transurethral prostatectomy

Question 67

a cancer of the tubules of the testis

Answer 67

Seminoma

Question 68

sterilization of the male by the removal of a segment of the vas deferens where it lies in the spermatic cord close to skin

Answer 68

Vasectomy

Question 69

the removal of the fold of skin covering the glans penis (the foreskin or prepuce) in male children

Answer 69

Circumcision