BIO 224A MALE REPO NOTES Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Internal organs

A

testes
epididymdes
ductus deferens
ejaculatory duct
urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

External organs

A

penis
scrotum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Vas deferens function

A

( 2 one for each side)
- Extends along inside spematic chord than enter pelvic cavity via INGUINAL CANAL
- Each deferens joins the duct of SEMINAL VESSILE to yield ejaculatory duct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Ejaculatory duct pases through

A

prostate gland and empty into urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

During ejaculation

A

propel sperm through ductus and ejac. ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Urethra

A

both urine and semen, separates in 3 regions
1. prostatic urethra
2. membranous uretha
3. penile/spongy urethra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Prostatic urethra

A

with prostate gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

membranous urethra

A

with bulb gland

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

penile/spongy urthra

A

corpus spong

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

exit to external urethal orfice or

A

urtheal meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Testes

A
  • male gonads
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Function of testes

A

scortal muscle relax or contract testes forward or away from body to maintain IDEAL TESTES TEMP FOR PROPER SPERM PRODUCTION

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Spermatogenic cell

A

produce sperm cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

interstital cells

A

secrete androgens primarly testosterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

sustentacular cells

A

maintain blood-testes barrier
secrete inhibitin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Erection function

A

enlargement and stiffining of penis due to engorment of ERECTILE TISSUE

16
Q

Erection erectile tissue

A
  1. arousal ( Touch, thought, smell)
  2. Parasympathetic
    3.Release of NITRIC OXIDE( stimi dialation of arteroles, penile vein compressed)
  3. ERECTILE TISSUE fill w/blood
  4. penile enlargemnt and rigidity
17
Q

Parasymp stimi

A

nitric oxide and lube in galns penis ( cum)

18
Q

erection structure

A

Penis engoremnet, relax vascular SM, more blood, corpus spong not as rigid

19
Q

Erectile dysfunction

A

Risk factor
Smoking, bad diet, diabetes, ( all things with blood) and trauma
Meds: PDE5 Inhibitos

20
Q

Semen composition

A

Sperm, fuctose, clotting and anticouag.

21
Q

Sperm function

A

Fluid expelled during orgasm, liquid transp for sperm

22
Q

Semen secretion

A

epidydimis, smeinal ves, prostat and blub galnd
10% sperm and 60% seminal fluid

23
Q

Male gamete

A

sperm

24
Q

Male gamete mature cell structure

A

sperm
- Acrosome ( contain diges. that help sperm penetrate eggs)
- head( contain 23 chromo)
- midpiece ( contain mito to produce ATP)
-flagellum ( Long tail to propell and swim)

25
Q

Sperm site of production

A

testes

26
Q

Hormones

A

testosterone
other;
Inhibin, LH, FSH

27
Q

Testosterone

A
  • Responsible for masculinaty of embryonic fetus
28
Q

LH( Interstitial cell)

A

-testosterone
- between sminiferous tube in testes

29
Q

FSH ( sus cells)

A

Structure and nourish for developing sperm
- SECRETE ANDROGEN-BINDING PROTIEN

30
Q

Inhibin hormone

A

if sperm too high, SUSTENTACULAR will secrete INHBIN