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19 Cards in this Set
- Front
- Back
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What 2 triangles make up the perineum?
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-Ischioanal (A)
-Urogenital (UG) |
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What does the UG diaphragm do?
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Fills a defect in the Pelvic Diaphragm - where muscles go around outlets.
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What is the UG Diaphragm composed of?
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Muscle / 2 layers of fascia:
-Inferior (Perineal membrane) -Superior |
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What spaces are created by the UG Diaphragm fascial layers?
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1. DEEP pouch (above perineal membrane
2. SUPERFICIAL pouch (below perineal membrane) |
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What is the DEFINITION of the UG diaphragm?
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"A thin sheet of striated muscle stretching between the 2 sides of the pubic arch"
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What muscles are in the UG Diaphragm?
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1. Deep transverse perineii
2. Sphincter urethrae |
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What passes thru the UG Diaphragm?
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-Urethra
-Vagina (females) NOT THE RECTUM |
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Where is the superficial pouch?
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Below the inferior fascia / perineal membrane.
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What muscles are in the superficial pouch?
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-Ischiocavernosus
-Bulbospongiosus |
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What is important to remember about the INFERIOR fascia of the UG Diaphragm?
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It is continuous with the deep layer of fascia - anteriorly and posteriorly
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What fascia layer lies superficial to the Perineal / Inferior fascia of UG Diaph?
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Superficial perineal fascia
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What is the Superficial perineal fascia continuous with?
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Colle's fascia
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What is the Superficial perineal Colles' fascia attachd to? (3 things)
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1. Fascia lata of thigh
2. Pubic arch 3. Base of inferior fascia |
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What is "Dartos" Fascia?
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Just superficial/colles' fascia, thrown over the penis and scrotum to cover testes/spermatic cords.
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7 things in MALE superficial pouch:
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1. Penis root
2. Proximal spongy urethra 3. IPA branches 4. Pudendal nerves 5. Superficial transverse perineii 6. Ischiocavernosus m. 7. Bulbospongiosus m. |
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4 things in FEMALE superficial pouch:
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1. Superficial transverse perineii m.
2. Ischiocavernosus m 3. Bulbocavernosus m 4. Greater vestibular bulb and 2 glands |
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What is significant about the greater vestibular bulb in females?
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It is highly vascularized and subject to straddle injury
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4 things in MALE deep pouch:
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1. Membranous urethra
2. Sphincter urethra 3. Cowper's glands 4. Deep transverse perineii m. |
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4 things in FEMALE deep pouch:
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1. Urethra
2. Sphincter urethral muscle 3. Inferior vagina 4. Deep transverse perineii m. |
