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ANAT 214 > Lab 11: Sex Specific Anatomy > Flashcards

Lab 11: Sex Specific Anatomy Flashcards

(63 cards)

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1
Q

Describe embryology of testes

A

Testes descend through inguinal canal

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2
Q

Describe pathway of sperm kinda

A

Seminiferous tubules —> straight tubule —> rete testes —> efferent ductules —> epididymis —> tail continuous with vas deferens

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3
Q

Describe testes

A

Produces sperm
Double layer peritonuem, in front = tunica albuginea

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4
Q

What produces sperm

A

Seminiferous tubules inside testes —> rete testes —> efferent tubule

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5
Q

Describe epididymis

A

Maturation of spermatozoa and storage
Head = enlarged, collects from efferent tubule, body and tail
Posterior, sensitive

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6
Q

Describe vas deferens

A

Transports sperm from epididymis at the inferior pole of testis into pelvis at ejaculation
Passes through inguinal canal
Muscular

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7
Q

Describe vas deferens - to ejac duct

A

Ejac duct = retroperitoneal, tail, epididymis becomes vas deferens = loops laterally to inf epigastric, and posterior behind bladder

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8
Q

Describe ampulla of vas deferens

A

Dilation of tube prior to entry into prostate
Joins seminal vesicles, enlargement
Located posterior to bladder = forms ejaculatory duct

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9
Q

Describe how vas deferens suspended

A

Suspended between inferior epigastric vessels and ureters then meet urinary tract

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10
Q

Describe seminal vesicles

A

Posterior to bladder, produces most of the fluid that constitutes semen released at ejaculation
Lateral to ampulla
Fluid rich in fructose
Joins vas deferens

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11
Q

Describe prostate

A

Inferior to bladder
Produces additional comments of Semen, released at ejacualtion
Fluid is alkaline to neutralize acidity of vaginal tract

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12
Q

What happens inside prostate

A

Surrounds urethra
Also where urinary and repro tracts meet up

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13
Q

Describe ejaculatory ducts

A

Convergence of seminal vesicle ducts and vas deferens, to urethra,prostatic urethra, = where ejaculatory duct empties into

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14
Q

Describe bulbourethral glands

A

In deep perineal pouch
Superior to perineal membrane
Produces fluid that neutralizes acidity and luricates urethra
Mucous gland, pre ejaculatory fluid
Paired, ducts go trough membrane and empties at root of penis

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15
Q

Where does spermatic cord pass through

A

Inguinal canal

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16
Q

Describe scrotum

A

Skin and muscle (analogous to labia majora)
Temp control
Muscle = tunica darts
Pampiniform plexus = venous drainage

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17
Q

Describe erection

A

Pelvic splanchnic s2-s4
Relax deep perineum = corpus cavernosum enlarges = contracts skeletal muscles = bulbospongiosus and ischiocavernosus = force blood into distal penis and compress deep dorsal vein against bucks fascia = blood stays in penis

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18
Q

Describe erectile tissue of penis

A

Corpus spongiosum =1, anchored to perineal membrane
Corpora cavernosa = 2, in bucks fascia

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19
Q

Describe bulb of penis

A

Corpus spongiosum
Proximal parts of tissue

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20
Q

Describe crura of penis

A

Attached to inferior pubic rami
Corpus cavernosum

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21
Q

Describe body of penis

A

More distal
All corpora (cavernosa and spongiosum)

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22
Q

Describe glans

A

Expand corpus spong over distal end corpus cav

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23
Q

DESCRIBE FASCia of penis

A

Deep fascia= bucks fascia
Maintains erection = compresses deep dorsal vein

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24
Q

Describe bulbospongiosus in amab

A

Covers bulb = distal part, spongiosum

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25
Describe ischiocavernosus in amab
Covers crura, corpus cavernosa, inf pubic rami —> ischial tuberosity
26
What is function of ischiocavernosus and bulbospongiosus in amab
Push sperm, body of perineum and perineal membrane, move blood proximal to distal
27
Descibe vasculature of penis
Front = internal pudendal artery Dorsal artery on top Deep penile artery in corpus cavernosum Deep dorsal vein Artery of bulb = in corpus spong, visible, deep penile artery
28
Describe urethra of amab
Except for first part - preprostatic and proximal portion of second part (prostatic) (where ejaculatory ducts drain into prostate) Urethra serves as shared tract for Urine and semen, runs through corpus spong only
29
Name parts of urethra in amab
Preprostatic - internal urethral sphincter prevents retrograde ejaculation Prostatic Memebranous Spongy (penile)
30
Describe rectovesical pouch
Peritoneum extends into pelvic region = drapes over viscera Lowest part of perineal cavity
31
DESCRIBE organization of pelvic viscera amab
Rectum = posterior Bladder = ant Prostate inferior to bladder
32
What in deep perineal pouch amab
Memebranous urethra and bulbourethral glands
33
Describe inguinal hernia gen
Tissue pierces through abd wall
34
Describe inguinal canal
Medial = rectus abdominus Lateral = inferior epigastric artery Inferior = inguinal ligament (asis to pubic tubercle)
35
Describe direct inguinal hernia
Abd vsicera through inguinal triangle Compresses spermatic cord
36
Describe indirect inguinal hernia
Through deep inguinal ring = bowl strangulation = compressed so very bad Repro fine tho
37
What passes through inguinal canal in males
Spermatic cord - contains vas deferens, testicular artery, pampiniform plexus
38
What passes through inguinal canal in females
Round ligament connects uterus to labia majora
39
Describe vagina
Muscular, Rugae, elongate during arousal External opening = vestibule Anterior, posterior and lateral - 2 fornixes around cervix of uterus
40
Describe vault of vagina
Enlargement of canal Cervix protrudes into vault = forms fornix
41
Describe cervix of uterus
Uterine isthmus leads to cervix Internal os (cont with uterine cavity and canal) and external os (cervical canal to vagina) Cervical canal - sphincter= contracted during pregnancy
42
Desribe uterus
Usually positioned between bladder and rectum Muscular, for implantation and dev of embryo Uterine cavity Fundus, body and isthmus - narrowing
43
Describe uterine tubes
Ampulla = wider for fertilization Infundibulum = end, opens into peritoneum Frimbriae = catches egg Uterine ostium
44
Describe ligament of ovary
Inf ovary to up uterus
45
Describe suspensory ligament of ovary
Sup pole ovary to abd wall
46
Describe ovary
Attached to uterus via ligament of ovary Sup = intra, inf = retro Oogenesis Released near opening of fallopian tube
47
Describe round ligament
Anchors front of uterus anteriorly through inguinal canal and terminates in labia majora
48
Describe external female genitalia
Collectively known as vulva
49
Describe Labia majora
Most external Skin Fatty folds Meets anterior and forms mons pubis
50
Describe labia Minora
Inside labia majora, hairless, delicate
51
Describe erectile tissue of external genitalia afab
2 corpus cavernosa 2 bulb of vestibule = anchored perineal membrane, makes glans, over distal end corpus cav
52
Describe ischiocavernosus muscle females
Cover crura Inf pubic rami to ischial tuberosity Brings blood to distal part
53
Describe bulbospongiosus muscle afab
Covers bulb of vestibule Anchored to perineal body and membrane
54
Describe urethra afab
Shorter External urethral orifice
55
Describe ligaments of cervix
Transverse = cervix —> lateral pelvic wall Pubocervical = pubic bone —> cervix Uterosacral = cervix to sacrum
56
Describe somatic innervation
Pudendal nerve
57
What is inside vestibule in afab
Near bulb of vestibule = Greater vestibular galnds = on perineal membrane, post to bulb of vestibule *NOT IN DEEP PERINEAL POUCH Paraurethral galnds = ducts open into vestibule
58
Describe broad ligament
Ligament covering uterus, ovaries and fallopian tube Peritoneum
59
What contributes to broad ligament
Mesosalpinx = ensheath uterine tube Mesovarium = ensheath and suspend ovary Mesometrium = from uterine body to lateral pelvic wall, on top, in front
60
Describe vesico uterine pouch
Between bladder and ureters
61
Describe recto uterine pouch
Like recto vesical pouch in males = lowest part
62
What is vestibule in afab
Space between 2 labia minora Has openings
63
Describe clitoris
2 crura attach to inf pubic rami Comes together and forms body of clitoris

ANAT 214 (34 decks)

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