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Human Sexuality > Chapter 3 > Flashcards

Chapter 3 Flashcards

(51 cards)

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A condition in which the foreskin is so tight that it cannot be withdrawn from the glans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

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A

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

22
Q

spermatogenesis

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A

The process by which sperm cells are produced and developed

23
Q

spermatocyte

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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

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A

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

25
spermatozoa
Mature sperm cells
26
epididymis
A tube that lies against the back wall of each testicle and stores sperm
27
vasectomy
Serving of the vas deferens, preventing sperm from reaching the ejaculatory duct
28
seminal vesicles
Small glands that lie behind the bladder and secrete fluids that combine with sperm in the ejaculatory ducts
29
cilia
Hairlike projections from cells that beat rhythmically to produce locomotion or currents
30
prostate gland
The gland that lies beneath the bladder and secretes prostatic fluid, which gives semen it's Characteristic odor and texture
31
Cowper's glands
Structures that lie below the prostate and empty their secretions into the urethra during sexual arousal
32
bulbourethral glands
Another term for Cowper's glands
33
Semen
The whitish fluid that constitutues the ejaculate, consisting of sperm and secretions from the seminal veslicals, prostate and Cowper's glands
34
Urethritis
An inflammation of the bladder or uretra
35
Cryptorchidism
A condition in which one or two testicles fails to descend from the abdomen into the scrotum
36
benign prostatic hperplasia
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
prostatitis
inflammation of the prostate gland
38
erection
Enlargement and stiffening of the penis caused by engorgement with blood
39
performance anxiety
Feelings of dread and foreboding experienced in connection with sexual activity (or any other activity that might be judged by another person)
40
Sacrum
The thick, triangular bone located near the bottom of the spinal column
41
Autonomic nervous system
The division of the nervous system that regulates automatic bodily processes, such as heartbeat, pupil dilation, respiration, and digestion
42
Sympathetic
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
Parasympathetic
The branch of the ANS most active during processes that restores energy, like digestion. The parasympathetic ANS largely controls erection
44
Peyronie's disease
Excessive curvature of the penis that can make erections painful
45
Orgasm
The climax of sexual excitment
46
Paraplegic
A person with sensory and motor paralysis of the lower half of the body
47
Emission stage
The first phase of ejaculation which involves contractions of the prostate gland, seminal vesicles, and the upper part of the vas deferns
48
Ampulla
A sac or dilated part of a tube or canal
49
Urethral bulb
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
Expulsion stage
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
Retrograde ejaculation
Ejaculation in which the ejaculate empties into the bladder

Human Sexuality (12 decks)

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