Male Genitourinary SystemSlide 2PenisScrotumStructure and Function: Developmental CompetenceStructure and Function: Developmental Competence (cont.)Slide 7Slide 8Slide 9Structure and Function: Cultural CompetenceStructure and Function: Cultural Competence (cont.)Subjective DataSubjective Data (cont.)Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 20Slide 21Objective Data (cont.)Slide 23Slide 24Objective Data: Developmental CompetenceObjective Data: Developmental Competence (cont.)Slide 27Slide 28Sample ChartingSample Charting (cont.)Promoting a Healthy Lifestyle: Screening for Prostate CancerPromoting a Healthy Lifestyle: Screening for Prostate Cancer (cont.)Abnormal Findings: Male Genital LesionsAbnormal Findings: Urinary ProblemsSlide 35Abnormal Findings: Abnormalities of the PenisAbnormal Findings: Abnormalities in the ScrotumElsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Male Genitourinary SystemMale Genitourinary SystemChapter 24Chapter 24Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemMale Genitourinary SystemMale Genitourinary SystemMale genital structures include: Male genital structures include: ExternalExternal•Penis and scrotumPenis and scrotumInternalInternal•Testis, epididymis, and vas deferens Testis, epididymis, and vas deferens Glandular structures accessory to genital organs:Glandular structures accessory to genital organs:•Prostate, seminal vesicles, and bulbourethral glandsProstate, seminal vesicles, and bulbourethral glandsSlide 24-2Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemPenisPenisSlide 24-3Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemScrotumScrotumSlide 24-4Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemStructure and Function: Structure and Function: Developmental CompetenceDevelopmental CompetenceInfantsInfantsPrenatally, testes develop in abdominal cavity near Prenatally, testes develop in abdominal cavity near kidneyskidneys•Descend along inguinal canal into scrotum before birthDescend along inguinal canal into scrotum before birthAt birth, testis measure 1.5 to 2 cm long and 1 cm At birth, testis measure 1.5 to 2 cm long and 1 cm widewideOnly a slight increase in size occurs during Only a slight increase in size occurs during prepubertal yearsprepubertal yearsSlide 24-5Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemStructure and Function: Structure and Function: Developmental CompetenceDevelopmental Competence (cont.)(cont.)AdolescentsAdolescentsPuberty begins between ages of 9½ and 13½Puberty begins between ages of 9½ and 13½•First sign is enlargement of testesFirst sign is enlargement of testes•Next, pubic hair appears, then penis size increasesNext, pubic hair appears, then penis size increases•Stages of development are documented in Tanner’s Stages of development are documented in Tanner’s sexual maturity ratingssexual maturity ratings•Complete change in development from preadolescent to Complete change in development from preadolescent to adult takes around 3 years, although normal range is 2 to adult takes around 3 years, although normal range is 2 to 5 years5 yearsSlide 24-6Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemStructure and Function: Structure and Function: Developmental CompetenceDevelopmental Competence (cont.)(cont.)Adult and aging menAdult and aging menMale does not experience a definite end to fertility Male does not experience a definite end to fertility as female doesas female doesAround age 40 years, production of sperm begins Around age 40 years, production of sperm begins to decrease, although it continues into 80s and to decrease, although it continues into 80s and 90s90sAfter age 55 to 60 years, testosterone production After age 55 to 60 years, testosterone production declinesdeclinesSlide 24-7Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemStructure and Function: Structure and Function: Developmental CompetenceDevelopmental Competence (cont.)(cont.)Adult and aging men (cont.)Adult and aging men (cont.)Testosterone production declines after age 55 to 60 Testosterone production declines after age 55 to 60 yearsyears•Decline proceeds graduallyDecline proceeds graduallyAging changes also are due to decreased muscle tone, Aging changes also are due to decreased muscle tone, subcutaneous fat, and cellular metabolismsubcutaneous fat, and cellular metabolism•Pubic hair decreases and penis size decreasesPubic hair decreases and penis size decreases•Due to decreased tone of dartos muscle, scrotal contents Due to decreased tone of dartos muscle, scrotal contents hang lower, rugae decrease, and scrotum becomes hang lower, rugae decrease, and scrotum becomes pendulouspendulous•Testes decrease in size and are less firm to palpationTestes decrease in size and are less firm to palpation•Increased connective tissue is present in tubules, so these Increased connective tissue is present in tubules, so these become thickened and produce less spermbecome thickened and produce less spermSlide 24-8Elsevier items and derived items © 2012, 2008, 2004, 2000, 1996, 1992 by Saunders, an imprint of Elsevier Inc. Chapter 24: Male Genitourinary SystemChapter 24: Male Genitourinary SystemStructure and Function: Structure and Function: Developmental CompetenceDevelopmental Competence (cont.)(cont.)Sexual expression in later lifeSexual expression in later lifeOlder male is capable of sexual function as long Older male is capable of