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biology: human anatomy mortuary science > reproductive system > Flashcards

reproductive system Flashcards

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1
Q

testes located within the scrotum

A

male reproductive system

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2
Q
  • skin and superficial fascia surrounding the testes

- positioning proves an environment 3 C cooler than body temperature

A

scrotum

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3
Q

-are enclosed in a serous sac

A

tunica vaginalis

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4
Q

fibrous capsule of the testees

  • divides each testes into 25-300 lobules
  • lobules contain 1-4 coiled seminiferous tubules
A

tunica albuginea

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5
Q
  • comma shaped structure on posterior testis
  • duct is 6m long
  • dominated by pseudo stratified columnar epithelium
  • bears tufts of stereo cilia- immotile, long microvilli
  • 20 day journey for sperm to move through
A

-epididymis

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6
Q

gain the ability to swim and to fertilize an egg

A

acrosomal reaction

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7
Q
  • stores and transports sperm
  • histology
  • pseudostratified columnar
  • thick muscularis
  • adventitia
A

the ductus deferent

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8
Q

contains

  • ductus deferens
  • testicular blood vessels
  • nerves
  • superior portion of DD
  • runs through inguinal canal
A

spermatic cord

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9
Q
  • carries sperm from ejaculatory ducts to “outside”
  • 3 parts of male urethra
    1. prostat urethra
    2. intermediate part
    3. spongy urethra
A

urethra of males

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10
Q
  • lie on the posterior surface of the urinary bladder
  • secrete 60% of the volume of semen
  • fluid contains
  • -fructose to nourish sperm
  • -substances to enhance sperm motility
  • -prostaglandins
  • -substances that suppress immune response against semen
  • -enzymes that clot and then liquefy semen
A

seminal glands

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11
Q

-encircles the prostatic urethra
-consists of 20-30 compound tubuloalveolar glands
-secretes 25-30% of seminal fluid
-contains;
substances that enhance sperm motility
enzymes that clot and then liquefy semen

A

prostate

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12
Q
  • pea sized glands inferior to the prostate gland
  • produces a mucus
  • -mucus enters spongy urethra prior to ejactulation
  • neutralizes traces of acidic urine
  • lubricates urethra
A

bulbs-urethral glands

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13
Q
  • shaft
  • glans penis- distal expanded end
  • prepuce- foreskin
  • -removed during circumsion
A

external anatomy of penis

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14
Q

3 erectile bodies
1 corpus spongiosum
2 corpora cavernosa

A

internal anatomy of the penis

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15
Q

surrounds spongy urethra of the internal anatomy of the penis there’s 1

A

corpus spongiosum

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16
Q

2 sinuses; make up most of the penis internal anatomy of the penis

A

corpora cavernosa

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17
Q

-produces gametes (ova)
-prepares to support a developing embryo
-undergoes changes according to the menstural cycle
includes ovaries, uterine tubes, and vagina

A

female reproductive system

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18
Q

monthly cycle as it affects all female reproductive organs

A

menstural cycle

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19
Q
  • small, almond shaped organs
  • -produces ova
  • held in place by ligaments and mesenteries
  • -broad ligament
  • -suspensory ligament
  • -ovarian ligament
  • ovarian arteriers
A

the ovaries

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20
Q

arterial supply

-innervated by both divisions of the ANS

A

ovarian arteries

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21
Q
  • fibrous capsule of the ovary

- covered in simple columnar epithelium

A

tunica albuginea

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22
Q

houses developing oocytes

A

ovarian cortex

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23
Q

multicellular sacs housing oocytes

A

follicles

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24
Q

loose connective tissue

-contains blood vessels, lymph vessels, and nerves

A

ovarian medulla

25
Q
  • receive ovulated oocyte
  • parts ;
    1. infundibulum
    2. ampulla
    3. isthmus
A

the uterine tubes

26
Q

distal end of uterine tube

-surrounded by fimbriae

A

infundibulum

27
Q

middle third of uterine tube

-usualy site of fertilization

A

ampulla

28
Q

medial third of uterine tube

A

isthmus

29
Q
  • lies anterior to rectum-posterior to bladder
  • anteverted
  • fundus
  • cervix
  • cervical canal
  • internal os
  • external os
A

anatomy of the uterus

30
Q

usual position of uterus

A

anteverted

31
Q

rounded superior portion

A

fundus

32
Q

neck of uterus

A

cervix

33
Q

opening connecting with uterine cavity

A

internal os

34
Q

inferior opening of cervix

A

external os

35
Q

composed of:

  • perimetrium
  • myometirum
  • endometirum
A

uterine wall

36
Q

serous layer; is the peritoneum

female reproductive system

A

perimetrium

37
Q

interlacing bundles of smooth muscle

-contracts during childbirth

A

myometrium

38
Q

mucosal lining of uterine cavity

A

endometrium

39
Q

-due to hormonal fluctuations in ovaries and uterus

A

monthly menstrual cycle

40
Q

stimulates production of ovarian follicles and oocytes

A

ovarian cycle

41
Q

prepares uterine wall for implantation

A

uterine cycle

42
Q

3 successive phases of female reproductive system

A
  1. follicular phase
  2. ovulation
  3. luteal phase
43
Q
  • series of cyclic phases of endometrium
  • phasses coordinate with the ovarian cycle
  • endometrial phases directed by FSH and LH
A

uterine cycle

44
Q
  1. menstrual phase - days 1-5
  2. proliferative phase- dys 6-14
  3. secretory phase days 15-28
A

phases of uterine cycle

45
Q

vagina consists of 3 coats

A
  1. adventitia- fibrous connective tissue
  2. muscularis- smooth muscle
  3. mucosa- marked by transverse folds
46
Q

an incomplete diaphragm

A

hymen

47
Q

recess formed at the superior part of the vagina

A

fornix

48
Q
  • overlies the pubic symphysis

- pubic hair covers after puberty

A

mons pubis

49
Q
  • homologue of the male scrotom

- encloses the labia minor

A

labia majora

50
Q
  • space between the labia minora

- houses opening to urthra and vagina

A

vestibule

51
Q
  • anterior to vestibule
  • is erectile tissue
  • -homologous to the penis
A

clitoris

52
Q
  • anterior boundary- pubic arch
  • posterior boundary- coccyx
  • lateral boundaries - ischial tuberosities
A

female perineum

53
Q
  • modified sweat glands
  • glandular structure ; undeveloped in nonpregnant women
  • milk production; starts at or after childbirth
A

breasts

54
Q
  • affects 1 of 50k males
  • commonly from early stage spermatogenic cells
  • increase of 50% from 1974 to 1990
  • cured in 95% of cases
A

testicular cancer

55
Q
  • slow growing
  • -arises from peripheral glands
  • risk factors;
  • fatty diet
  • genetic predisposition
A

prostate cancer

56
Q

arises from cells in the germinal epithelium

A

ovarian cancer

57
Q

arises from the endometrium of the uterus

A

endometrial cancer

58
Q
  • slow growing arises from epithelium at the tip of the cervix
  • often caused by HPV
A

Cervical cancer

59
Q

-second most common cause of cancer deaths in women
-97% of cases occur in women over 50
treatment;
-surgical removal of the mass (lumpectomy)
-radiation therapy
-administration of selected hormones
-chemotherapy

A

breast cancer

biology: human anatomy mortuary science (23 decks)

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