Trans - Male and Female Internal Genitalia Flashcards

(98 cards)

1
Q

T/F: Some parts of the male internal genitalia are intraperitoneal, some are retroperitoneal

A

F. All are retroperitoneal

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2
Q

Components of the male internal genitalia

A

Glands – prostate, seminal vesicle, Cowper’s gland

Ducts – ductus deferens, ejaculatory ducts, urethra

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3
Q

Shape of the prostate

A

Tetrahedral, walnut-shaped

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4
Q

The prostate is traversed by:

A

Prostatic urethra, 2 ejaculatory ducts

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5
Q

Parts of the urethra

A

Prostatic
Membranous
Spongy

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6
Q

Prostatic ducts open into what structure

A

Prostatic sinuses

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7
Q

T/F: Prostatic fluid is only secreted prior to ejaculation

A

F. Continuous secretion, with a ~2000 fold increase during ejaculation

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8
Q

T/F: The prostate has a true fibrous capsule

A

F

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9
Q

What region of the prostate is most predisposed to cancer? Why?

A

Posterior region, because of its glandular nature

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10
Q

Cholinergic innervations of the prostate

A

Nervi erigentes

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11
Q

Function of sphincter vesicae

A

Prevent retrograde ejaculation

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12
Q

Benign prostatic hypertrophy is usually related to what lobes?

A

Anterior and middle

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13
Q

Prostatic carcinoma is usually related to what lobes?

A

Posterior

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14
Q

Seminal vesicle secretes fluid containing ________ and _________

A

Fructose for sperm nutrition

Fibrinogen as a coagulating agent

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15
Q

The ampulla of the ductus deferens is located (medially/laterally)________ to the seminal vesicle

A

Medially

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16
Q

Seminal vesicle: arterial supply

A

Inferior vesical artery

Middle rectal artery

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17
Q

Seminal vesicle: venous drainage

A

Inferior vesical vein

Middle rectal vein

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18
Q

Cowper’s glands are also known as

A

Bulbourethral glands

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19
Q

Characteristics of the first part of the ejaculate

A

Prostatic and sperm-rich

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20
Q

Characteristics of the second part of the ejaculate

A

Seminal and sperm-poor

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21
Q

PSA test screens for:

A

Prostate cancer

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22
Q

Normal values when analyzing semen

A

60 million
60% normal shape
60% normal forward motility

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23
Q

4 digital rectal exam positions

A
  1. Ambulatory – standing with knees bent
  2. Knee-chest position
  3. Modified lithotomy – patient on back, knees flexed
  4. For bedridden patients – left latera/Sims position
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24
Q

Benign prostatic hypertrophy usually involves what lobe

A

Anterior

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25
Urinary PCA 3 is a genetic marker test for early detection of __________
Prostatic cancer
26
T/F: Ovarian follicles are seen in gross anatomy dissections
F, they are only seen histologically
27
Ligament that attaches the anterior border of the ovary to the broad ligament of the uterus
Mesovarium
28
Ligament that suspends tubal pole of ovary to external iliac vessels
Infundibulopelvic ligament
29
Ligament that attaches uterine pole of ovary to lateral margin of uterus
Ovarian ligament
30
Epithelium of Fallopian tubes
Ciliated columnar
31
Site of fertilization
Ampulla of uterine tubes
32
Where fimbrae are located
Infundibulum
33
Ectopic pregnancy: definition
Pregnancy outside the uterus
34
T/F: The normal uterine position is retroverted
F. The normal uterine position is anteverted
35
Parts of the cervix
1. Supravaginal – above the vagina | 2. Portio vaginalis – within the vagina
36
Layers of the uterus
1. Endometrium – shed off during menstruation 2. Myometrium – muscular layer 3. Serosa – peritoneal coat
37
Uterine abnormalities
1. Bicornuate – 2 uteri 2. Septate – no complete separation of 2 uteri, with septum 3. Unicornuate – only one Mullerian duct matures
38
Components of broad ligament of uterus
1. Mesosalpinx - attached to fallopian tubes 2. Mesovarium – attached to ovaries 3. Mesometrium – attached to uterus
39
Female: mesovarium :: Male: _________
Mesorchium
40
Condensations of connective tissue around blood vessels at the base of the broad ligaments
Cardinals
41
Transverse cardinal that helps prevent uterine prolapse
Mackenrodt’s Ligament
42
Homologous structures Female: round ligament :: Male: __________
Ductus deferens
43
Ligaments that attach posterior uterine wall to sacrum
Uterosacrals
44
Separates vaginal orifice from anal opening
Perineal body
45
Contributes to closure of the vagina
Sphincter vaginae
46
Epithelium of ectocervix
stratified squamous
47
Epithelium of endocervix
columnar
48
Main artery of internal genitalia
Internal iliac artery
49
Gonadal arteries arise from the ________
Aorta
50
Superior rectal artery arises from the ____________
Inferior mesenteric artery
51
Most variable branch of the internal iliac artery
Obturator artery
52
Parietal branches of the anterior division of internal iliac artery
1. Obturator artery 2. Inferior gluteal artery 3. Internal pudendal artery
53
Visceral branches of the anterior division of the internal iliac artery
1. Obliterated umbilical artery 2. Inferior vesical artery 3. Middle rectal artery 4. Uterine/vaginal artery
54
Parietal branches of the posterior division of the internal iliac artery
1. Iliolumbar artery 2. Lateral sacral artery 3. Superior gluteal artery
55
Venous plexuses of the internal genitalia drain into the _________
Internal iliac vein
56
Venous plexuses of the internal genitalia
1. Vesical 2. Prostatic or Uterine/Vaginal 3. Rectal
57
Somatic innervation of the internal genitalia
1. Sacral plexus – L4-L5, S1-S3, partly S4 | 2. Coccygeal plexus – S4, S5, coccygeal nerves
58
Sympathetic innervation of internal genitalia
1. Sacral sympathetic trunk 2. Hypogastric nerves 3, Pudendal nerve 4. Nerve to levator ani
59
Parasympathetic innervation of internal genitalia
Pelvic splanchnic nerves – nervi erigentes
60
Parasympathetic innervation of internal genitalia controls ________
Relaxation of arteries to penis/clitoris, causing erection
61
Surfaces of the prostate
1. Superior - blends with bladder 2. Inferolateral - lies on levator ani 3. Inferoposterior - lies on rectum 4. Apex - where urethra emerges
62
Lobes of the prostate
1. Anterior 2. Median/Middle 3. Posterior 4. Right and Left Lateral
63
Significance of prostatic lobes
Used as landmarks in endoscopy and digital rectal examinations
64
Lobe mainly composed of fibromuscular tissue
Anterior lobe
65
Also called isthmus of the prostate
Anterior lobe
66
Lobe between urethra and prostatic duct
Median/Middle lobe
67
Lobe closest to the finger during digital rectal exam
Posterior lobe
68
Lobe of the prostate inferior to the bladder neck
Right lateral lobe | Left lateral lobe
69
Zones of the prostate
1. anterior 2. transitional 3. central 4. peripheral
70
Basis of prostatic zones
Histological landmarks
71
Significance of prostatic zones
Useful in pathology
72
The urethra is in which zone of the prostate
Transitional
73
The anterior lobe/transitional zone comprise what percent of prostatic gland volume?
5%
74
The median lobe/central zone comprise what percent of prostatic gland volume?
25%
75
The posterior lobe/peripheral zone comprise what percent of prostatic gland volume?
70%
76
The posterior prostatic lobe surrounds what part of the urethra?
Distal
77
The middle prostatic lobe surrounds what structure?
Ejaculatory ducts
78
The anterior prostatic lobe surrounds which part of the urethra?
Proximal
79
Seminal vesicle hyperplasia often causes ________
Compression of urethra and distension of bladder
80
Tortuous, branching diverticula from the ampullated ends of the ductus deferens
Seminal vesicles
81
Prostate size is dependent upon ________
Hormones
82
Prostate: arterial supply
Prostatic arteries from inferior vesical arteries
83
Prostate: venous drainage
Prostatic plexus draining into internal iliac veins
84
Prostate: lymphatic drainage
Major - internal iliac lymph nodes | Minor - sacral lymph nodes
85
pH of semen
7.5 (slightly alkaline to counteract vaginal acidity)
86
Percent contribution into semen of the ff: a. Prostate b. Seminal vesicle c. Epididymis d. Sperm cells
a. 15-30% b. 50-80% c. ~10% d. 1-2%
87
Gives semen its odor
spermine
88
Functions in semen liquefaction
Plasminogen activator, seminin
89
Inflammation of the prostate
Prostatitis
90
PCA3 score: importance
to determine possible risks from prostatic cancer
91
PCA3 score: computation
PCA3 / PSAmRNA ``` PSA = prostate specific antigen PCA = number of overexpressed genes ```
92
higher PCA3 score means:
more predisposition for hyperplasia or cancer
93
female adnexa is composed of
ovaries and fallopian tubes
94
why is the ovary not covered by peritoneum?
to allow follicles to rupture and ova to be released into the peritoneal cavity
95
Highly vascularized area in ovary
medulla
96
Vestigial tubular structures in mesosalpinx that are the remnants of the mesonephric tubules
Epoophoron and paraophoron
97
circular gutter around cervix forms:
vaginal fornices
98
Components of prostatic fluid
1. Zinc 2. Citrate 3. Spermine 4. Cholesterol, Lipids 5. Plasminogen activator 6. Seminin 7. Acid phosphatase 8. PSA (seminin, seminal protease, 9. chymotrypsin-like protease) 10. Electrolytes 11. Glucose