G13: Urogenital (UG) Triangle
Syllabus - Pg. 3
ANAT 6010 Medical Gross Anatomy David A Morton 1) UG Triangle - a)Overview
• Anterior half of the perineum • Contains roots of external genitalia and openings of the urogenital system
A
P
Pelvis - Inferior view
GAFS 5.32 Levator ani m./Pelvic diaphragm
GAFS 5.68 UG Triangle - Boundaries
GAFS 5.68 UG Triangle - Orientation UG Triangle - Orientation UG Triangle - Orientation UG Triangle - Orientation
GAFS 5.37 UG Triangle - Boundaries
GAFS 5.68 UG Triangle - Boundaries
GAFS 5.69 UG Triangle - Boundaries
GAFS 5.69 Function
GAFS 5.72 P 1)1) UGUG TriangleTriangle -- b)b) VasculatureVasculature Female Male P 1)1) UGUG TriangleTriangle -- b)b) VasculatureVasculature Female Male Internal Internal P 1)1) UGUG TriangleTriangle -- b)b) VasculatureVasculature Male
Internal P
GAFS 5.77 P P 1)1) UGUG TriangleTriangle -- b)b) VasculatureVasculature Male
Internal P 1)1) UGUG TriangleTriangle -- b)b) VasculatureVasculature Male P 1)1) UGUG TriangleTriangle -- c)c) InnervationInnervation P 1)1) UGUG TriangleTriangle -- c)c) InnervationInnervation
GAFS 5.76a P 1)1) UGUG TriangleTriangle -- c)c) InnervationInnervation
GAFS 5.76b P 1)1) UGUG TriangleTriangle -- c)c) InnervationInnervation P 2) Deep Perineal Space a) Boundaries
Female Male P 2) Deep Perineal Space
GAFS 5.35 GAFS 5.35 GAFS 5.35 2) Deep Perineal Space - Male
GAFS 5.36
b) Compare/contrast conte
P39 2) Deep Perineal Space - Female
b) Compare/contrast conte
P39 3) Superficial Perineal Pouch a) Boundaries
Female Male
P 3) Superficial Perineal Space GA Fema
M 3) Superficial Perineal Space
Female
Male
GAFS 5 71 3) Superficial Perineal Space - Male P Perineum (Coronal Section) - Female Membranous La of Superficial Fa
In abdomen = Scarpa’s In Perineum = Colles’
GAFS 3) Superficial Perineal Space
P40 P Deep Perineal Space
Male Female Membranous urethra Membranous urethra Deep transverse perineal muscle Deep transverse perineal muscle Sphincter urethra muscle Sphincter urethra muscle Internal pudendal arteries Internal pudendal arteries Artery to bulb Artery to bulb Deep artery of penis Deep artery of clitoris Dorsal artery of penis Dorsal artery of clitoris Muscular branches Muscular branches Internal pudendal veins and branches Internal pudendal veins and branches Pudendal nerves and branches Pudendal ne rves and branches Bulbourethral glands and ducts ------Tube of the vagina
P Superficial Perineal Space
Male Female Roots of external genitalia Roots of external genitalia Bulb/corpus spongiosum penis* Bulb/bulbovestibuli Crus/corpora cavernosa penis** Crus/corpora cavernosa clitoris** Bulbospongiosa muscle Bulbovestibuli muscle Ischiocavernosa musc le Ischiocavernosa muscle Spongy urethra Spongy urethra Perineal nerves, arteries and veins (N, A & Perineal nerves, arteries and veins (N, A & V) V) Posterior scrotal N, A & V Posterior labial N, A & V Muscular branches Muscular branches Superfic ial transverse perineal muscle Superficial transverse perineal muscle ------Greater vestibular glands and ducts ------Tube of the vagina * Changes names distal to the suspensory ligament to corpus spongiosa penis ** Changes names distal to the suspensory ligament to corpora cavernosa penis/clitoris THANK-YOU