Trans - Male and Female Internal Genitalia Flashcards
(98 cards)
T/F: Some parts of the male internal genitalia are intraperitoneal, some are retroperitoneal
F. All are retroperitoneal
Components of the male internal genitalia
Glands – prostate, seminal vesicle, Cowper’s gland
Ducts – ductus deferens, ejaculatory ducts, urethra
Shape of the prostate
Tetrahedral, walnut-shaped
The prostate is traversed by:
Prostatic urethra, 2 ejaculatory ducts
Parts of the urethra
Prostatic
Membranous
Spongy
Prostatic ducts open into what structure
Prostatic sinuses
T/F: Prostatic fluid is only secreted prior to ejaculation
F. Continuous secretion, with a ~2000 fold increase during ejaculation
T/F: The prostate has a true fibrous capsule
F
What region of the prostate is most predisposed to cancer? Why?
Posterior region, because of its glandular nature
Cholinergic innervations of the prostate
Nervi erigentes
Function of sphincter vesicae
Prevent retrograde ejaculation
Benign prostatic hypertrophy is usually related to what lobes?
Anterior and middle
Prostatic carcinoma is usually related to what lobes?
Posterior
Seminal vesicle secretes fluid containing ________ and _________
Fructose for sperm nutrition
Fibrinogen as a coagulating agent
The ampulla of the ductus deferens is located (medially/laterally)________ to the seminal vesicle
Medially
Seminal vesicle: arterial supply
Inferior vesical artery
Middle rectal artery
Seminal vesicle: venous drainage
Inferior vesical vein
Middle rectal vein
Cowper’s glands are also known as
Bulbourethral glands
Characteristics of the first part of the ejaculate
Prostatic and sperm-rich
Characteristics of the second part of the ejaculate
Seminal and sperm-poor
PSA test screens for:
Prostate cancer
Normal values when analyzing semen
60 million
60% normal shape
60% normal forward motility
4 digital rectal exam positions
- Ambulatory – standing with knees bent
- Knee-chest position
- Modified lithotomy – patient on back, knees flexed
- For bedridden patients – left latera/Sims position
Benign prostatic hypertrophy usually involves what lobe
Anterior