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Human Sexuality > Chapter 3 > Flashcards

Chapter 3 Flashcards

1
Q

Corpora cavernosa

A

The larger two of the three cylindders of spongy tissue in the penis that becomes congested with bloodd and stiffen during sexual arousal

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2
Q

Corpus spongiosum

A

The spongy body that runs along the bottom of the penis, contains the penile urethra, and enlarges at the tip of the penis to form the glans

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3
Q

corona

A

The ridge that seperates the glans front he body of the penis

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4
Q

frenulum

A

The sensitive strip of tissue that connects the underside of the penile glans to the shaft

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5
Q

root

A

The base of the penis, which extends into the pelvis

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6
Q

shaft

A

The body of the penis, which expands as a result of vasocongestion

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7
Q

foreskin

A

The loose skin that covers the penile glans. Also referred to as the prepuce.

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8
Q

phimosis

A

A condition in which the foreskin is so tight that it cannot be withdrawn from the glans

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9
Q

scrotum

A

The pouch of loose skin that contains the testes

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10
Q

spermatic cord

A

The cord that suspends a testicle within the scrotum and contains a vas deferens, blood vessels, nerves, and the cremaster muscle

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11
Q

vas deferens

A

A tube that conducts sperm from the testicle to the ejaculatory duct of the penis

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12
Q

cremaster muscle

A

The muscle that raises and lowers the testicle in response to temperature changes and sexual stimulation

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13
Q

dartos muscle

A

The muscle in the middle layer of the scrotum that contracts and relaxes in response to temperature changes

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14
Q

germ cell

A

A cell from which a new organism develops

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15
Q

sperm

A

The male germ celfl

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16
Q

Androgens

A

Male sex hormones

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17
Q

Testosterone

A

A male steroid sex hormone

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18
Q

interstitial cells

A

Cells that lie between the seminiferous tubules and secrete testosterone

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19
Q

Leydig’s cells

A

Another term for interstitial cells

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20
Q

secondary Sex characteristics

A

Traits that distinguish the genders but are not directly involved in reproduction

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21
Q

seminiferous tubules

A

Tiny, winding, sperm-producing tubes within the lobes of the testes

22
Q

spermatogenesis

A

The process by which sperm cells are produced and developed

23
Q

spermatocyte

A

An early stage in the development of sperm cells, in which each parent cell has 46 chromosomes, including one X and one Y sex chromosome

24
Q

spermatids

A

Cells formed by the division of spermatocytes. Each spermatid has 23 chromosomes.

25
Q

spermatozoa

A

Mature sperm cells

26
Q

epididymis

A

A tube that lies against the back wall of each testicle and stores sperm

27
Q

vasectomy

A

Serving of the vas deferens, preventing sperm from reaching the ejaculatory duct

28
Q

seminal vesicles

A

Small glands that lie behind the bladder and secrete fluids that combine with sperm in the ejaculatory ducts

29
Q

cilia

A

Hairlike projections from cells that beat rhythmically to produce locomotion or currents

30
Q

prostate gland

A

The gland that lies beneath the bladder and secretes prostatic fluid, which gives semen it’s Characteristic odor and texture

31
Q

Cowper’s glands

A

Structures that lie below the prostate and empty their secretions into the urethra during sexual arousal

32
Q

bulbourethral glands

A

Another term for Cowper’s glands

33
Q

Semen

A

The whitish fluid that constitutues the ejaculate, consisting of sperm and secretions from the seminal veslicals, prostate and Cowper’s glands

34
Q

Urethritis

A

An inflammation of the bladder or uretra

35
Q

Cryptorchidism

A

A condition in which one or two testicles fails to descend from the abdomen into the scrotum

36
Q

benign prostatic hperplasia

A

Noncancerous inlargement of the prostate resulting from hormonal changes of angling and symptomizing by urinary frequency, urinary urgecy and difficulty starting the flow of urine

37
Q

prostatitis

A

inflammation of the prostate gland

38
Q

erection

A

Enlargement and stiffening of the penis caused by engorgement with blood

39
Q

performance anxiety

A

Feelings of dread and foreboding experienced in connection with sexual activity (or any other activity that might be judged by another person)

40
Q

Sacrum

A

The thick, triangular bone located near the bottom of the spinal column

41
Q

Autonomic nervous system

A

The division of the nervous system that regulates automatic bodily processes, such as heartbeat, pupil dilation, respiration, and digestion

42
Q

Sympathetic

A

The branch of the ANS most active during emotional responses that spend energy such as fear and anxiety. The sympathetic ANS largely controls ejaculation

43
Q

Parasympathetic

A

The branch of the ANS most active during processes that restores energy, like digestion. The parasympathetic ANS largely controls erection

44
Q

Peyronie’s disease

A

Excessive curvature of the penis that can make erections painful

45
Q

Orgasm

A

The climax of sexual excitment

46
Q

Paraplegic

A

A person with sensory and motor paralysis of the lower half of the body

47
Q

Emission stage

A

The first phase of ejaculation which involves contractions of the prostate gland, seminal vesicles, and the upper part of the vas deferns

48
Q

Ampulla

A

A sac or dilated part of a tube or canal

49
Q

Urethral bulb

A

The small tube that makes up the prostatic part of the urethral tract and balloons out as muscles close at either end, trapping semen prior to ejaculation

50
Q

Expulsion stage

A

The second stage of ejaculation, during which muscles at the base of the penis and elsewhere contract rhythmically, forcefully expelling semen and providing pleasurable sensations

51
Q

Retrograde ejaculation

A

Ejaculation in which the ejaculate empties into the bladder

Human Sexuality (12 decks)

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