Reproductive System Flashcards

(67 cards)

1
Q

Male urethra function

A

Carries sperm and urine to external environment

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2
Q

Histology of male urethra

A

Prostatic Urethra… Within prostate gland

Membranous Urethra… Within pelvic diaphram muscles

Penile (Spongy) Urethra… Within corpus spongiosum

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3
Q

Female Urethra

A

Carries urine to external environement

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4
Q

Primary male sex organs

A

Testes

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5
Q

Testes function

A

Produce sperm

Secrete hormones

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6
Q

Primary female sex organs

A

Ovaries

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7
Q

Ovaries function

A

site of gamete production

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8
Q

Accessory Male sex organs

A
Epididymis
Scrotum
Ductus Deferens
Seminal Vesicle
Prostate Gland
Cowpers Gland
Urethra
Semen
Penis
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9
Q

Epididymis Function

A

Stores sperm

Sperm become motile here (YMCA for SPERM)

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10
Q

Scrotum function

A

Dartos and Cremaster elevate and lower testes

House Testes and epididymis

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11
Q

Ductus Deferens function

A

Conveys sperm from epididymis to urethra

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12
Q

Seminal vesicle function

A

produces 60-70% of semen

Combines with ductus deferens to create ejaculatory duct

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13
Q

Prostate Gland function

A

Produces 20-30% of semen

Secretions

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14
Q

Cowpers gland function

A

Produces 10% of semen

Secretions coat urethra during intercourse

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15
Q

Semen

A

contains 250-500 million sperm

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16
Q

Penis function

A

male copulation organ

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17
Q

Female Accessory Sex organs

A
Fallopian tubes
Uterus
Vagina
Vulva
Mammory Glands
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18
Q

Fallopian tubes function

A

Provide a passage for sperm to oocyte

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19
Q

Uterus function

A

Blastocytes implant in endometrium
Contractions in myometrium
Connective tissue makes up perimetrium

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20
Q

Vagina Function

A

Receives penis during intercourse

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21
Q

Vulva

A

Includes clitoris
Labias
Mons pubis

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22
Q

Mammory glands function

A

Produces milk

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23
Q

Hormones that trigger puberty

A

FSH

LH

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24
Q

Major Male Sex Hormones

A

FSH.. influences production of sperm

LH.. Triggers release of testosterone

Testosterone.. Masculinizes body
Muscle growth
Libido

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25
Major Female sex hormones
FSH.. Release of progesterone and estrogen LH.. Release of progesterone and estrogen Estrogen.. Feminizing hormone Progesterone.. Prepares endometrium for implantation
26
What is a follicle
oocyte and surrounding cell
27
Corpus leteum
Secretes progesterone and estrogen
28
Corpus albicans
Scar tissue that replaces degenerated leteum
29
HCG function
Shows up on pregnancy test | Released by placenta after implantation
30
Male external genetalia
Penis | Scrotum
31
Female external genetalia
Labia Majora/Minora | Clitoris
32
Path of sperm from testicle to Fallopian tube
``` Testes Epididymis Ductus Deferens Ejaculatory Duct Urethra Vagina Cervix Uterus Fallopian Tubes ```
33
Tissue found in penis
Corpus spongiosum | Corpora Cavernosa
34
Corpus Spongiosum function
transports sperm and semen to external environment
35
Corpora Cavernosa function
Fills with blood during an erection
36
Function of dartos and cremaster muscles
Raise and lower testes *must be kept 3 C below body temp
37
Function of spermatic cord
Covers nerves and blood vessels supplying testes as well as ductus deferens
38
Spermatogenesis
Production of sperm within seminiferous tubules Begins at puberty
39
Intersitial VS sustentacular cells
INTERSTITIAL produce testosterone SUSTENTACULAR Nourish developing sperm Prevent antigens in sperm from activating an immune response
40
3 regions of urethra in males
Prostatic Membranous Penile
41
Semen is formed by
``` Seminal Vesicle (60-70%) Prostate Gland (20-30%) Cowpers gland (10%) ```
42
Male sexual response
Arousal is parasympathetic Ejaculation is sympathetic
43
Female sexual response
Arousal is parasypathetic Orgasm is sympathetic
44
Oogenesis
Production of female gamete begins in female fetus produces one ovum and multiple polar bodies
45
Stage of meiosis oocyte is in when ovulated
Metaphase 2
46
Polar Body
Small cells that bud off from an oocyte at the two meiotic divisions and do not develop into ova
47
Structural components of Fallopian tube
Fimbriae Infundibulum Ampulla Isthmus
48
Fimbriae
create currents sweeping an ovulated oocyte into the funnel shaped infundibulum
49
Ampulla
Most common site of fertilization
50
3 layers of uterine wall
Endometrium Myometrium Perimetrium
51
Endometrium
inner most layer | blastocyte implants here after fertilization
52
Myometrium
Middle layer | Contracts during labor
53
Perimetrium
Made of connective tissue
54
2 layers of endometrium
Stratum Functionalis | Stratum Basalis
55
Stratum Functionalis
Shed during menstration
56
Stratum Basalis
Regenerates Stratum functionalis
57
Mammory glands
Lobules contain alveoli that produce milk Prolactin prompts milk production Oxytocin prompts ejection of milk at the nipple
58
Ovarian Cycle
Follicular Phase | Luteal Phase
59
Follicular Phase
follical development DAYS 1-14*
60
Luteal Phase
Follows ovulation Secretes progesterone and estrogen preparing for implantation DAYS 15-28*
61
Uterine Cycle
Menses Proliferative Phase Secretory Phase
62
Menses
Stratum functionalis shed DAY 1-5*
63
Proliferative phase
Stratum functionalis regenerated DAY 6-14*
64
Secretory Phase
Endometrium nourished with hormones secreted by corpus luteum DAY 15-28*
65
When does ovulation happen on average
Day 14
66
Oxytocin
Prompts ejection of milk at the nipple
67
Prolactin
Promps milk production