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Anatomy > Reproductive: Male System > Flashcards

Reproductive: Male System Flashcards

1
Q

What are the male gonads?

A

Testes

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2
Q

Where are the male reproductive cells formed?

A

Testes

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3
Q

What is spermatogenesis?

A

Spermatozoa are produced in seminiferous tubules of the testes

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4
Q

What are the 3 main parts of spermatozoa?

A

Head (covered by caplike acrosome)
Midpiece
Tail

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5
Q

Where does development of the testes start?

A

In abdomen near kidneys before birth

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6
Q

What do testes past through to get to scrotum

A

Inguinal rings

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7
Q

Band of connective tissue that attaches testes to scrotum

A

Gubernaculum
(pulls testes into scrotal sac)

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8
Q

Sac of skin that houses the testes

A

Scrotum

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9
Q

The scrotum helps regulate __________ of testes

A

Temperature

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10
Q

True or False: The testes can be any temperature

A

False - must be kept cooler than body temperature

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11
Q

Muscle that adjusts position of testes depending on temperature; passes down through inguinal ring and attaches to scrotum

A

Cremaster muscle

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12
Q

What are spermatic cords?

A

Tube-like, connective tissue structures that link the testes with the rest of the body

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13
Q

What is contained in the spermatic cords?

A

Blood vessels,
Nerves,
Lymphatic vessels,
Vas Deferens

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14
Q

Area in the spermatic cord that helps control blood temperature (heat-exchange mechanism)

A

Pampiniform plexus

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15
Q

How many tunic’s (layers) surround the testes and spermatic cord?

A

2 layers
Visceral vaginal tunic/proper vaginal tunic
Parietal vaginal tunic/common vaginal tunic

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16
Q

What procedure are the tunics significant for?

A

During an orchiectomy

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17
Q

What structure lies beneath the tunics?

A

Tunica Albuginea

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18
Q

What is the tunica albuginea?

A

Fibrous connective tissue capsule that encloses each testis

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19
Q

Small partitions that extend into the testis from the capsule; divides each testis into tiny lobules that contain the seminiferous tubules

A

Septa

20
Q

Large “nurse” cells that support spermatids during physical changes to spermatozoa

A

Sertoli cells

21
Q

What is the epididymis?

A

Storage site for spermatozoa and a place for them to mature

22
Q

Where is the epididymis located?

A

Flat ribbon-like structure that lies along the surface of the testis (has a head, body and tail)

23
Q

What is the vas deferens function?

A

Moves the spermatozoa from the epididymis up to the urethra when ejaculation occurs

24
Q

Which animals have seminal vesicles?

A

Bull
Stallion

25
Q

Which animals have prostate glands?

A

All of them
Bull
Stallion
Tom
Dog

26
Q

Which animals have bulbourethral glands?

A

Bull
Tom
Stallion

27
Q

How many portions of the urethra are there?

A

Pelvic Portion
Penile Portion

28
Q

How many portions of the urethra are there?

A

Pelvic Portion
Penile Portion

29
Q

What do the accessory reproductive organs produce?

A

Produce alkaline fluid to counteract acidity of female reproductive tract

30
Q

What 3 components make up alkaline fluid?

A

Electrolytes
Fructose
Prostaglandins

31
Q

What is the penis composed of?

A

Muscle
Erectile Tissue
Connective Tissue
Large Blood Supply
Many sensory nerve endings

32
Q

What are the 3 main parts of the penis?

A

the Roots
the Body
the Glans

33
Q

the root: 2 bands of _______ attach penis to brim of pelvis

A

crura

34
Q

the body: 2 bundles of erectile tissue

A

Corpus cavernosum urethrae/corpus spongiosum
Corpus cavernosum penis

35
Q

Distal end of penis with numerous sensory nerves

A

the glans

36
Q

sheath of skin that encloses the penis when not erect

A

prepuce

37
Q

What acts as a tie to keep male and female locked together during mating?

A

Bulb of glans remains swollen after ejaculation

38
Q

Which part is often mistaken for testes by clients?

A

Bulb of glans

39
Q

True or False: The equine penis contains large component of erectile tissue

A

True

40
Q

Widest part of the equine penis (mushroom shaped)

A

corona glandis

41
Q

Distal end of the urethra for equine penis?

A

Urethral process

42
Q

Where does the urethral process extend to?

A

Central depression, fossa glandis

43
Q

S shape of non erect penis

A

Sigmoid flexure

44
Q

What animals have sigmoid flexures

A

Bull
Ram
Boar

45
Q

Muscle that pulls penis back to non-erect, S shape

A

retractor penis muscle

Anatomy (17 decks)

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