ANATOMY & PHYSIOLOGY LL\AC
9th Edition
ISBN: 9781264325948
Author: SALADIN
Publisher: MCG
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Question
Chapter 27.5, Problem 2AYLO
Summary Introduction
To discuss:
The nerve supply of the penis and its relationship to the sacral plexus and spinal cord. The three types of nerve fibers that penis receive.
Introduction:
Penis is a male external genital organ which is highly involved in sexual intercourse and ejaculation of semen in to the female vagina. Penis is a sensory organ and it gets erected during sexual arousal. Penis is supplied with enriched blood vessels and nerves for its erection pattern.
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Suppose the corpus spongiosum became as engorged with blood as the corpora cavernosa do during erection of the penis. What problem would this create for sexual function?In light of this, why is it beneficial that the corpus spongiosum is not enclosed in a tunica albuginea?
HEALTHY 42-YEAR-OLD MAN PRESENTED TO THE EMERGENCY DEPARTMENT AFTER THE ACUTE ONSET OF penilepain during sexual intercourse. The erect penis had inadvertently collided with his partner’s perineum. Heheard a snap, noticed a rush of blood from the meatus, had immediate detumescence, and had severe pain. The penile“fracture” refers to a tear in the tunica albuginea, the watertight fibrous outer sheath of the corpora caver-nosa that isresponsible for maintaining the structural integrity of an erection. Disruption of the tunica results in a loss of bloodoutside the corpora, causing a hematoma. The classic eggplant deformity (swelling, discoloration, and deviation awayfrom the defect in the tunica) can be seen. If the fracture involves the urethra, blood will extravasate through theurethra. On the basis of the clinical presentation, the patient was taken to the operating room for emergency repair.The patient had an uneventful postoperative course and was discharged from the hospital the…
Chapter 27 Solutions
ANATOMY & PHYSIOLOGY LL\AC
Ch. 27.1 - Essential characteristics of sexual reproduction;...Ch. 27.1 - Multiple functions of the male and female...Ch. 27.1 - Prob. 3AYLOCh. 27.1 - Prob. 4AYLOCh. 27.1 - Prob. 5AYLOCh. 27.1 - Fates of the mesonephric and paramesonephric ducts...Ch. 27.1 - Structures of the embryonic genital tubercle,...Ch. 27.1 - Prob. 8AYLOCh. 27.2 - Anatomy and functions of the scrotum and spermatic...Ch. 27.2 - Prob. 2AYLO
Ch. 27.2 - Prob. 3AYLOCh. 27.2 - The germinal epithelium of the seminiferous...Ch. 27.2 - The arterial supply and venous drainage of the...Ch. 27.2 - Gross anatomy of the epididymis; the series of...Ch. 27.2 - Three sets of male accessory glands: their...Ch. 27.2 - Prob. 8AYLOCh. 27.2 - Prob. 9AYLOCh. 27.3 - Definitions of puberty and adolescence; the...Ch. 27.3 - Prob. 2AYLOCh. 27.3 - Prob. 3AYLOCh. 27.3 - Prob. 4AYLOCh. 27.3 - Changes in the levels of testosterone, inhibin,...Ch. 27.3 - Prob. 6AYLOCh. 27.4 - Prob. 1AYLOCh. 27.4 - Why meiosis is necessary in sexually reproducing...Ch. 27.4 - Prob. 3AYLOCh. 27.4 - Prob. 4AYLOCh. 27.4 - The origin of primordial germ cells, their...Ch. 27.4 - Prob. 6AYLOCh. 27.4 - Prob. 7AYLOCh. 27.4 - Prob. 8AYLOCh. 27.4 - Prob. 9AYLOCh. 27.4 - Prob. 10AYLOCh. 27.4 - Prob. 11AYLOCh. 27.5 - Blood vessels of the penis and how they function...Ch. 27.5 - Prob. 2AYLOCh. 27.5 - Prob. 3AYLOCh. 27.5 - The mechanism of erection including the roles of...Ch. 27.5 - The physiological state of the male in the plateau...Ch. 27.5 - Prob. 6AYLOCh. 27.5 - Prob. 7AYLOCh. 27 - The ductus deferens develops from the _______.of...Ch. 27 - The protein that clots and causes the stickiness...Ch. 27 - The expulsion of semen occurs when the...Ch. 27 - Prob. 4TYRCh. 27 - The penis is attached to the pubic arch by crura...Ch. 27 - The first hormone secreted at the onset of puberty...Ch. 27 - Prob. 7TYRCh. 27 - Four spermatozoa arise from each a. primordial...Ch. 27 - The point in meiosis at which sister chromatids...Ch. 27 - Blood is forced out of the penile lacunae by...Ch. 27 - Prob. 11TYRCh. 27 - Prob. 12TYRCh. 27 - Prob. 13TYRCh. 27 - Prob. 14TYRCh. 27 - Prob. 15TYRCh. 27 - Prob. 16TYRCh. 27 - Prob. 17TYRCh. 27 - Prob. 18TYRCh. 27 - Erection of the penis occurs when nitric oxide...Ch. 27 - A sperm penetrates the egg by means of enzymes in...Ch. 27 - crypto-Ch. 27 - Prob. 2BYMVCh. 27 - Prob. 3BYMVCh. 27 - Prob. 4BYMVCh. 27 - Prob. 5BYMVCh. 27 - meio-Ch. 27 - Prob. 7BYMVCh. 27 - Prob. 8BYMVCh. 27 - someCh. 27 - Prob. 10BYMVCh. 27 - Testosterone is secreted by the nurse cells of the...Ch. 27 - Prob. 2WWTSCh. 27 - Prob. 3WWTSCh. 27 - Prob. 4WWTSCh. 27 - A high testosterone level makes a fetus develop a...Ch. 27 - Prob. 6WWTSCh. 27 - Prob. 7WWTSCh. 27 - Prob. 8WWTSCh. 27 - Male menopause is the cessation of sperm...Ch. 27 - Prob. 10WWTSCh. 27 - Prob. 1TYCCh. 27 - Prob. 2TYCCh. 27 - Prob. 3TYCCh. 27 - Why is it possible for spermatogonia to be outside...Ch. 27 - A 68-year-old man taking medication for...
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