Reproductive Anatomy Flashcards

1
Q

Name the 3 ligaments associated with the ovary?

A
  1. Broad ligament (Mesovarium) 2. Suspensory ligament of the ovary 3. Ovarian ligament
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2
Q

What structures run within the suspensory ligament of the ovary?

A

Ovarian vessels (Artery and vein)

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3
Q

From what level of the abdominal aorta does the gonadal artery (Testicular A/Ovarian A) come off of?

A

L2

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4
Q

Where does the lymphatic drainage of the ovaries (+ testes) drain to?

A

Para-aortic lymph nodes

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5
Q

Into which vessel does the left ovarian vein drain?

A

Left renal vein

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6
Q

Into which vessel does the right ovarian vein drain?

A

Inferior vena cava

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7
Q

Which part of the uterine (Fallopian) tube is most susceptible to an ectopic pregnancy?

A

Ampulla – likely due to its long + thin course

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8
Q

Define version and flexion?

A

Version: angle made between the vagina and the cervix. Flexion: angle made between the cervix and body of the uterus.

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9
Q

What is the most common orientation of the internal genitalia with regards to version and flexion?

A

Anteverted and anteflexed

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10
Q

What structure passes through the inguinal canal in women and is not seen in men?

A

Round ligament – attachments are uterus to the labia majora

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11
Q

Define the internal and external os?

A

Internal os is the connection between cervix and uterus. External Os is the connection between cervix and vagina

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12
Q

What type of epithelium lines the endocervix?

A

Columnar epithelium

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13
Q

The cardinal ligament anchors the cervix to the lateral pelvic wall – what travels through the cardinal ligament?

A

Uterine vessels (A+V).

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14
Q

What name do we give to the recesses created by the vaginal portions of the cervix?

A

Fornix

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15
Q

What two glands open around the external urethral meatus and drain into its opening?

A

Lesser vestibular glands/Skene’s glands

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16
Q

What is the equivalent of the Skene’s glands in men?

A

Prostate

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17
Q

What glands drain into the vaginal canal providing lubrication during arousal?

A

Greater vestibular/Bartholin’s glands

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18
Q

What is the equivalent of the Bartholin’s glands in men?

A

Bulbourethral glands

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19
Q

What is the only non-erectile part of the clitoris?

A

Glans clitoris

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20
Q

What muscle attaches onto the bulb of the clitoris?

A

Bulbospongiosus

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21
Q

What are the two arteries that supply the clitoris?

A

Deep artery (runs within the corpora cavernosa) + Dorsal artery (runs at the most anterior surface of clitoris (+penis))

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22
Q

What artery do the two arteries that supply the clitoris come off?

A

Internal pudendal artery 🡪 Internal iliac artery

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23
Q

What is the relationship between the Uterine Artery and the Ureter?

A

The Ureter runs under the Uterine artery (‘Water (urine) runs under the bridge’)

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24
Q

The vaginal artery is a homologue of what artery in men?

A

Inferior vesical – women do not have an inferior vesical. Instead, the Vaginal artery supplies the underside of the bladder

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25
Q

Go through the layers of the abdominal wall?

A

Skin 🡪 Camper’s fascia (Fatty) 🡪 Scarpa’s Fascia (Membranous) 🡪 External Oblique 🡪 Internal oblique 🡪 Transversus abdominis 🡪 Transversalis Fascia 🡪 Parietal peritoneum

26
Q

What structure runs along the midline of the rectus abdominis?

A

Linea Alba

27
Q

Why is the Linea alba often used surgically to access the abdomen via a midline laparotomy?

A

It is avascular

28
Q

What are the two attachment sites of the inguinal ligament?

A

ASIS + Pubic Tubercle

29
Q

How is the inguinal ligament related to the external oblique?

A

The inguinal ligament is the free edge of the external oblique.

30
Q

What structure pulls the testes down creating the layers of the scrotum (from the abdominal layers) as it does so?

A

Gubernaculum

31
Q

The External oblique muscle corresponds to which layer of the scrotum?

A

External spermatic fascia

32
Q

The Internal oblique muscle corresponds to which layer of the scrotum?

A

Cremasteric muscle

33
Q

The parietal peritoneum corresponds to which layer of the scrotum?

A

Tunica vaginalis

34
Q

What two conditions can arise from a patent processus vaginalis?

A

1) Hydrocele 2) Indirect inguinal hernia

35
Q

Where would you go to palpate the deep inguinal ring?

A

Mid-point of the inguinal ligament

36
Q

What blood vessels is used clinically to demarcate an indirect from a direct inguinal hernia?

A

Inferior epigastric vessels (Indirect inguinal hernia is lateral to inferior epigastric artery, direct is medial to the vessels)

37
Q

What two muscles in the scrotum work to elevate the testes?

A

1) Dartos muscle 2) Cremasteric muscle

38
Q

What is the difference between the Dartos and Cremasteric muscles?

A

Dartos is under autonomic control (in cold environments it contracts to wrinkle the scrotum). Cremasteric is under conscious control.

39
Q

What is the afferent and efferent limb of the cremasteric reflex?

A

Afferent – Ilioinguinal nerve. Efferent – Genital branch of the Genitofemoral Nerve

40
Q

What is the functional unit of the testes?

A

Seminiferous tubules

41
Q

What cells in the seminiferous tubules assist with spermatogenesis?

A

Sertoli cells

42
Q

What hormone stimulates the Leydig cells?

A

LH. (LH -> Leydig cells)

43
Q

In response to LH what do the Leydig cells produce?

A

Androgens e.g. testosterone

44
Q

What does the epididymis continue as?

A

Vas/Ductus Deferens

45
Q

What two structures join together on the posterior side of the bladder to make the ejaculatory duct?

A

Ductus Deferens + Seminal Vesicle

46
Q

Which part of the prostate does the ejaculatory duct open into?

A

Prostatic urethra

47
Q

Which zone of the prostate is most commonly affected in prostate cancer?

A

Peripheral

48
Q

Which zone of the prostate is most commonly affected in Benign Prostatic Hypertrophy?

A

Transitional

49
Q

The ejaculatory duct opens up in the prostatic urethra but which specific part of the prostatic urethra does it open up into?

A

Seminal colliculus

50
Q

What is the function of the bulbourethral glands?

A

Lubrication of the urethra and production of pre-ejaculate

51
Q

What are the 4 parts of the male urethra?

A

Preprostatic, prostatic, membranous, spongy

52
Q

Which part of the penis is most susceptible to trauma when catheterising?

A

Membranous – due to the sharp change in angle

53
Q

The attached end of the penis is called the root. What 3 structures make up the root of the penis?

A

1 Bulb and 2 Crura (Crus singular)

54
Q

The bulb of the penis continues as what structure?

A

Corpus Spongiosum

55
Q

What does the crus of the penis continue as?

A

Corpus cavernosa

56
Q

What travels within the corpus spongiosum?

A

Urethra

57
Q

What muscle covers the crus and helps to maintain an erection by prevention blood from leaving the penis when it contracts?

A

Ischiocavernosus

58
Q

Describe the course of the pudendal nerve?

A

Leaves the pelvic cavity via the greater sciatic foramen 🡪 wraps around the ischial spine 🡪 re-enters the pelvic cavity via the lesser sciatic foramen

59
Q

What is the sympathetic innervation of the pelvis?

A

Sacral Splanchnic nerve

60
Q

What is the parasympathetic innervation of the pelvis?

A

Pelvic splanchnic nerve (Pelvic – Parasympathetic. The only parasympathetic splanchnic nerve)

61
Q

What nerve supplies the cremasteric muscle?

A

Genital branch of the genitofemoral nerve