Human Sexuality For Chapter 5

Front 1

penis

Back 1

a male sexual organ consisting of the internal root and the external shaft and glans

Front 2

root

Back 2

portion of the penis that extends internally into the pelvic cavity

Front 3

shaft

Back 3

the length of the penis betweent he glans and the body

Front 4

glans

Back 4

the head of the penis; it is richly endowed with nerve endings

Front 5

cavernous bodies

Back 5

the structures in the shaft of the pensi that engorge with blood during sexual arousal

Front 6

spongy body

Back 6

a cylinder that forms a bulb at the base of the benis, extends up into the penile shaft, and forms the penile glands

Front 7

foreskin

Back 7

a covering of skin over the penile glans

Front 8

corona

Back 8

the rim of the penile glans

Front 9

frenulum

Back 9

a highly senstive thin strip of skin that connects the glans to the shaft on the underside of the penis

Front 10

scrotum

Back 10

the pouch of skin of the external male genitals that encloses the testes

Front 11

testis

Back 11

male gonad insde the scrotum that produces sperm and sex hormones

Front 12

spermatic cord

Back 12

a cord attached to the testis that contains the vas deferens, blood vessels, nerves, and cremasteric muscle fibers

Front 13

cryptorchidism

Back 13

a condition in which the testes fail to descend from the abdominal cavity to the scrotal sac

Front 14

seminiferous tubules

Back 14

thin coiled structures in the testes in which sperm are produced

Front 15

interstitial cells

Back 15

cells located between the seminiferous tubules that are the major source of androgen in males

Front 16

epididymis

Back 16

the structure along the back of each testis in which sperm maturation occurs

Front 17

ejaculatory ducts

Back 17

two short ducts located within the prostate gland

Front 18

urethra

Back 18

the tube through which urine passes from the bladder to the outside of the body

Front 19

seminal vesicles

Back 19

small glands adjacent to the terminals of the vas deferens that secrete an alkaline fluid (conducive to sperm motility) that constitutes the greatest portion of the volume of seminal fluid released during ejaculation

Front 20

prostate gland

Back 20

gland located at the base of the bladder that produces about 30% of the seminal fluid released during ejaculation

Front 21

Cowper's glands

Back 21

two pea sized glands located alongside the base of the urthra in the male that secrete an alkaline fluid during sexual arousal

Front 22

semen

Back 22

viscious fluid ejaculated through the penis that contains sperm and fluids fromt eh prostate, seminal vesicles, and Cowper's glands

Front 23

erection

Back 23

the process by which the penis or clitoris engorges with blood and increases in size

Front 24

emission phase

Back 24

the first stage of male orgasm, in which the seminal fluid is gathered in the urethral bulb

Front 25

expulsion phase

Back 25

the second stage of male orgasn, during which the semen is expelled from the penis by muscular contractions

Front 26

retrograde ejaculation

Back 26

the process by which semen is expelled into the bladder instead of out of the penis

Front 27

nocturnal emission

Back 27

involuntary ejaculation druing sleep; wet dream

Front 28

Genital retraction syndrome

Back 28

unusual culture bound phenomenon in which a male believes his penis is shrinking and retracting into his body

Front 29

Koro

Back 29

a widely used term for the genital retraction syndrome

Front 30

Phimosis

Back 30

a condition characterized by an extremely tight penile foreskin

Front 31

urology

Back 31

the medical specialty dealing with reproductive health and genital diseases of the male and urinary tract diseases in both sexes