Reproductive Anatomy Flashcards

1
Q

Reproductive system comes from which embryological tissue?

A

Mesoderm

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2
Q

Seminal vesicle, epididymis, ejaculatory duct and ductus deferens arise from what duct?

A

Wolffian/mesonephric duct

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3
Q

Primitive testis and ovary lays on top of what structure?

A

Kidney

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4
Q

The uterus and upper 1/3 of the vagina are from which duct that runs parallel to mesonephric duct?

A

Paramesonephric/Mullerian duct

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5
Q

Where are spermatozoa produced?

A

Seminiferous tubules of the testis under influence of testosterone

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6
Q

Testosterone is secrted by what cells under the influence of luteinizing hormone?

A

Interstitial cells of Leydig

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7
Q

Testosterone attached to what cells found in the seminiferous tubules of the testis?

A

Sertoli cells

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8
Q

Where are the testis found?

A

In the scrotum

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9
Q

Tests is suspended by what in the lower part of the scrotum?

A

Spermatic cord

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10
Q

The testis is enclosed in a thick fibrous capsule called the?

A

Tunica Albuginea

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11
Q

Testis is divided by septa into how many lobules and how many seminiferous tubules do they hold?

A

300 lobules

1-4 seminiferous tubules

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12
Q

Seminiferous tubules empty into how many straight tubules which join to form what which empties into the epididymis via 15-20 efferent ductules?

A

25 straight tubules

Rete testis

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13
Q

Testis is covered in 7 layers what are they?

A

Skin, Colles fascia, external spermatic fascia, cremasteric muscle, internal spermatic fascia, parietal layer of tunica vaginalis, visceral layer of tunica vaginalis

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14
Q

What muscle under sympathetic control is in Colles fascia?

A

Dartos muscle

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15
Q

The external spermatic fascia comes from what?

A

External oblique aponeurosis

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16
Q

The cremastric muscle and fascia come from what?

A

Internal obliue muscle

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17
Q

The internal spermatic fascia comes from what?

A

Transversalis fascia

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18
Q

The parietal layer of the tunica vaginalis comes from?

A

The peritoneum

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19
Q

Where do sperm mature?

A

Epididymis

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20
Q

Where are sperm stored?

A

Ductus deferens

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21
Q

On ejaculation the sperm travel how far up the ductus deferens?

A

18”

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22
Q

The ductus deferens joined at terminal end by the seminal duct forming what duct?

A

Ejaculatory duct

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23
Q

The ejactulatory duct opens into the?

A

Prostatic urethra

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24
Q

The spermatic cord is 7-8 cm long and extends from where?

A

Deep inguinal ring to superior pole of testes

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25
Q

3 coverings of the spermatic cord?

A

external spermatic fascia, cremasteric muscle and fascia and internal spermatic fascia

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26
Q

3 arteries of the spermatic cord?

A

Testicular A, A to the ductus deferens and cremasteric A

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27
Q

3 nerves of the spermatic cord?

A

Testicular N, genital br of genitofemoral N and ilioinguinal N (outside)

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28
Q

3 other structures of spermatic cord?

A

ductus deferens, pampiniform plexus of V and testicular lymphatics (drain to para-aortic lymph nodes)

29
Q

The penis is 4-6” long and has 2 dorsal and one inferior blood filled caverns what are they called?

A

Corpora Cavernosa x2

Corpus spongiosum

30
Q

The corpora are enclosed by a fibrous sheath called?

A

Buck’s fascia

31
Q

The penile urethra are contained within?

A

The corpus spongiosum

32
Q

The glans penis is the expanded distal end of?

A

The corpus spongiosum

33
Q

Vascular supply to the penis?

A

Deep penis and dorsal penile br of internal pudendal A

34
Q

Innervation of penis?

A

Penile br of pudendal N and br of pelvic splanchnic N S2-4

S2,3,4 keeps the penis off the floor

35
Q

Parasympathetic stimulation is responsible for ejaculation or erection? Sympathetic?

A

Erection (point)

Ejaculation (shoot)

36
Q

The hair bearing fat pad covering the symphysis pubis in females is called the?

A

Mons pubis

37
Q

What are the longitudinal folds extending posteriorly from the mons pubis called?

A

Labia majora

38
Q

What are the two smaller folds of skin between the labia majroa?

A

Labia minora

39
Q

The lateral parts of the labia minora that are fused above the clitoris form?

A

The prepuce

40
Q

The medial parts of the labia minora that are fused below the clitoris form?

A

The frenulum

41
Q

The clitoris consists of erectile tissue made of what 3 parts?

A

2 crura and a glans

42
Q

The vestibule is found between what w/the urethral and vaginal orificies?

A

Labia minora

43
Q

Where are Bartholin’s gland (greater vestibular gland) located?

A

In vestibule lateral to posterior part of vaginal orifice

44
Q

The vagina develops mainly from what sinus?

A

Urogenital sinus

45
Q

The vagina’s highly distensible fibromuscular canal extends from?

A

Vestibule to the cervix

46
Q

The lower part of the cervix protrudes into the upper part of the vagina which forms?

A

Anterior, posterior, lateral fornices

47
Q

The urethra lies anterior to what structure? Posterior?

A

Rectum

Vagina

48
Q

The uterus measures x_x” and has a triangular cavity whose base is what direction?

A

3x2x1

Superior

49
Q

Normal uterus is angled forward to the vagina… what term is this? And body is bent forwards to cervix… what term is ths?

A

Anteverted and anteflexed

50
Q

The uterus is attached to the ovary by what and labia major by what and to the broad ligament?

A

Ligament of the ovary

Round ligament of the uterus

51
Q

The uterus and upper vagina are supplied by what blood vessel?

A

Named br of ant division of internal iliac A

52
Q

Fallopian tubes are 4” long muscular tubes lined by what cells?

A

Ciliated columnar epithelium

53
Q

What are the four parts of the fallopian tubes?

A

Infundibulum (fimbriated end), ampulla (fertilization MC here), isthmus, intramural part through cornu (lateral horn) of uterine cavity

54
Q

The ovary is 1.5x1.5x1.5” oval female homologue of the?

A

Testis

55
Q

Where does the ovary lie?

A

Ovarian fossa between the external and internal iliac arteries

56
Q

The posterior attachment to the ovary is the?

A

Broad ligament by the mesovarium

57
Q

The suspensary ligament of the ovary attaches it to the pelvic wall and contains what?

A

Ovarian blood vessels

58
Q

What attaches the ovary to the uterus?

A

Ligament of the ovary

59
Q

The ovary blood supply?

A

Ovarian A br of Ab aorta @L2 level

60
Q

The right ovarian vein drains into?

A

IVC

61
Q

The left ovarian vein drains into?

A

L renal vein

62
Q

The broad ligament is a double layer of?

A

Peritoneum

63
Q

The broad ligament covers the uterus as the _____ and uterine tubes like a sheet

A

Mesometrium

64
Q

The broad ligament contains two additional ligaments which are?

A

Ligament of the ovary and round ligament of the uterus

65
Q

The round ligament is the female homologue to the?

A

Gubernaculum testes

66
Q

The part of the broad ligament that contains the uterine tube is the?

A

Mesosalpinx

67
Q

The pelvis is comprised of which bones?

A

Ilium, ischium, pubis (all together os coxae), sacum, coccyx

68
Q
Male pelvis
shape of pelvic inlet?
Suprapubic angle?
Ischial spines are?
Sacrum is?
A

smaller heart shape
narrower 45o
inverted
Curved