Chapter 02: Male Reproductive Flashcards Preview

PSIO 469 (reproductive) > Chapter 02: Male Reproductive > Flashcards

Flashcards in Chapter 02: Male Reproductive Deck (25):
1

What are densely packed sperm-producing proteins in the testis thta contain Sertoli cells and developing sperm cells?

Seminiferous Tubules

2

What is located in the connective tissues between the seminiferous tubules that contain testosterone-producing Leydig cells?

Interstitial cells

3

What is Spermiation?

cytoplasmic bridges between adjacent spermatids are borken

4

What is Spermiogenesis?

Morphological differentiation and packaging protect chromosomes from environmental damage

5

Acrosome:_______________
Nucleus:_________________
Mitochondrial Sheath:____
Tail:______________________

Egg penetration (head)
Chromosome
Energy
Motility

6

What is the condition that prevents testes to descent during development?

Cryptochidism

7

What store testosterone dependent maturation of sperm and movement of the sperm through ducts due to peristalsis?
A. Ejactulatory Duct
B. Vas Deferens
C. Urethra
D. Seminiferous Tubules

B.

8

What transport sperm during ejaculation?

Ejaculatory Duct

9

Label the following from the path of the sperm during ejaculation:
1. Urethra
2. Vas Defernes
3. Ejaculatory Duct
4. Seminiferous Tubules

4, 2, 3, 1

10

What 3 things consits of Seminal Vesicles and what percentage of it is the semen value

Prostaglandins: stimulates contractions in female repdocutive tract
Fructose: primary energy source for sperm
Semenogelins/ Fibronectins: coagulate after ejact. To form gel matrix
60%

11

What 2 things consist of the Prostate and what percentage is the semen volume?

Buffers: alkaline pH promotes viability of sperm
Prostate-specific antigen (PSA): enzyme breakdown of gel matrix to release sperm
30%

12

What is in the Bulbourethral Gland and what percentage is its semen volume?

Mucus: aids lubrication during intercourse
5%

13

What is the total time for spermatogonium to spermatozoa and how many sperm is produced each day?

64-74 days asynchornous; 100-200 million

14

How come sperm is stored in epididymis for several days?

Low metabolic demand; inactive

15

What is the difference between Oligospermia and Azoospermia?

Oligospermia has a low sprem count when ejaculated
Azoospermia has no sperm cells when ejaculated

16

Sinusoidal Space is increased when the penis is in its __________ state.
A. Flaccid
B. Rigid

B.

17

Contracted smooth muscle occurs when the penis is in its _______ state.
A. Flaccid
B. Rigid

A.

18

_______ stimuli affects sensory and visceral system
A. Afferent
B. Efferent

A.

19

______ stimuli affect the somatic and autonomic systems.
A. Afferent
B. Efferent

B.

20

_________ nervous system is the “Fight or Flight” and is ____________ while the _________ nervous system is the “Rest or Digest” and is ________________

Parasympathetic/ Sympathetic
Adrenergic/Cholinergic

Sympathetic; Adrenergic; Parasympathetic; Cholinergic

21

Parasympathetic system originates from the _____nerves while the Sympathetic system originates from the _______ nerves.

Lumbar/ Sacral

Lumbar; Sacral

22

Psychogenic Erection is affected by_______ while Reflexogenic Erection is affected by________.

Thoughts, emotions, sights and smell;
Mechanoreceptors

23

Put the Phases in order from beginning to end:
1. Orgasmic
2. Plateau
3. Excitement
4. Resolution

3, 2, 1, 4

24

What phase (under sympathetic) contracts smooth muscles in the reproductive tract?

Emission

25

What phase (under sympathetic) causes rhythmic contraction of skeletal muscels to expel semen

Expulsion