Structure and Function of Pelvis and Perineum-I PDF
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Uploaded by EnticingTungsten
The University of Texas Medical Branch
Bi-Hung Peng
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Summary
This document presents a lecture on the structure and function of the perineum. The content covers various anatomical components and diagrams to illustrate the topic. The lecture was modified from another source, likely a previous lecture.
Full Transcript
Structure and Function of Perineum Bi-Hung Peng, Ph.D. Department of Neuroscience, Cell Biology & Anatomy (modified from Dr. Given’s lecture) Perineum Anal triangle Urogenital triangle Pubic symphysis...
Structure and Function of Perineum Bi-Hung Peng, Ph.D. Department of Neuroscience, Cell Biology & Anatomy (modified from Dr. Given’s lecture) Perineum Anal triangle Urogenital triangle Pubic symphysis (palpable) Urogenital triangle Ischial tuberosity (palpable) Anal trigengle Coccyx (palpable) Pubic symphysis (palpable) Urogenital triangle Ischial tuberosity (palpable) Anal trigengle Coccyx (palpable) UG Triangle Anal Triangle - Ischioanal Fossa Perineal membrane Perineal Body Pelv. Diaph. Ext. Anal Sph. Ishioanal Abscess Perineum - Superficial Space Male Female IC BS PM BS: Bulbospongiosus m. IC: ischiocavernosus m. PM: perineal membrane Deep Space Glans of penis Corpora Body of clitoris spongiosum Crus of clitoris Corpora cavernosum Glans of clitoris Ext. Ureth. Sphincer Crus of penis Bulb of Bulb of penis vestibule Greater vestibular gland Cross-Section of the Penis Superficial Dorsal Vein Deep Dorsal Vein Dorsal artery Dorsal nerve Deep artery Corpora cavernosum Deep Fascia Spongy urethra Corpora spongiosum Blood Supply – Internal pudendal artery (IPA) Sup. Perin. Deep Perin. IPA Inf. Rec. A. Dor. Nerve Dor. Artery Innervation – Pudendal Nerve Deep Perineal Sup. Perineal Inf. Rectal Pudendal nerve How to Dissect Transect & Perineum Male Corpus cavernosum Corpus spongiosum Bulbospongiosus muscle Ischiocavernosus muscle covering crus of penis Corpus Corpus Remove muscles spongios cavernos um um Deep perineal fascia covering bulbospongiosus Questions?
