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23 Cards in this Set
- Front
- Back
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Which structure is the penis attached to? What attaches the penis to this structure?
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The right and left ischiatic tuberosities of the pelvis is attached by the right and left crura.
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Name the 3 divisions of the penis. What are the subdivisions of A?
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A - Glans (Bulbus Glandis and Pars Longa Glandis)
B - Body C - Root |
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Identify these structures
What is the enlarged part of A called? |
A - Corpus spongiosum penis (Urethral bulb of the penis)
B - Corpus cavernosum penis C - Os penis D - Corpus spongiosum of the bulbus glandis E - Copus spongiosum of the pars longa glandis F - Bulbospongiosus m. |
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Identify these muscles.
Which are skeletal/smooth? What does B cover? |
A - Rectococcygeus m. (smooth)
B - Ischiocavernosus m. (covers crus of the penis) C - Bulbospongiosus m. D - Retractor penis m. (smooth) |
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Identify these muscles.
Which are skeletal/smooth? What does B cover? |
A - Rectococcygeus m. (smooth)
B - Ischiocavernosus m. (covers crus of the penis) C - Bulbospongiosus m. D - Retractor penis m. (smooth) |
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T or F:
The spongy urethra is surrounded by corpus cavernosum. |
False you dill-weed!
The SPONGY urethra (penile urethra) is covered by the corpus SPONGIOSUM!! |
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T or F:
Castrated male cats never have keratinized spines on their penis. |
True!
These spines are testosterone dependent and disappear soon after castration. |
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What is the structure covering the glans penis? What are the layers of this structure?
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Prepuce
External lamina (haired skin) Internal lamina Penile lamina (covering of penis) |
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What are the plethora of little bumps on the internal lamina of the prepuce?
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Lymphoid nodules
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T or F:
That damn tomcat peed on the drapes ON PURPOSE! |
True! Punt that cat (just kidding)!!!
Toms can direct their urine spray wherever they want. |
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Why should one be careful when applying traction to a cat testicle during a neuter?
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As the ductus deferens wraps over the ureter, too much traction could possibly wip the ureter.
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What is the primary source of blood to the penis?
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Internal pudendal artery.
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Identify the arteries.
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A - Internal pudendal a.
B - Ventral perineal a. C - Artery of the penis D - Artery of the bulb of the penis E - Deep artery of the penis F - Dorsal artery of the penis |
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Which nerve stimulates erection? What type of stimulation is this?
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Pelvic n.
Parasympathetic |
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T or F:
The bulbus glandis is the last structure to become engorged in an erection. |
True! It receives no arterial bloodflow.
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What denotes the proximal and distal extent of the body of the penis?
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Where the 2 crura come together is the proximal extent. The glans penis is the distal extent.
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T or F:
The os penis is the distal continuation of the corpus spongiosum penis. |
False!
It is the distal extent of the corpus cavernosum penis. |
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Through which aspect (dorsal or ventral) does the urethra pass through in the os penis?
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Ventral
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What artery is the primary source of blood to the penis? What specific branches of this artery supply blood to the penis?
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Internal pudendal a.
Artery of the penis gives rise to artery of the bulb of the penis deep artery of the penis dorsal artery of the penis |
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What nerve or nerves innervate the penis?
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Pudendal nerve
gives rise to: Deep perineal brs. and dorsal n. of the penis |
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What is a less crude term for "nature's cockring"?
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Ischiourethralis m.
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What is the clinical term describing a narrowed preputial orifice?
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Phimosis
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Oh no! Fido ate a bottle of viagra! What condition does he have now?
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Paraphimosis
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