1. Chapter 5 Male Sexual Anatomy and Physiology

2. Erection
Coordinated by autonomic nervous system
Arteries expand
Capacity for erection is present at birth
Psychogenic (mind)
physiogenic erections (body)

3. Penis Size Penis size is seen as a symbol of virility
Erect penises show less variation than flaccid
Size NOT related to sexual satisfaction
Penile augmentation
#1 cosmetic surgery for British men
Genital retraction syndrome (GRS)
Koro, shrinking into body

4. Concerns about Sexual Functioning
Phimosis
Extremely tight foreskin
Circumcision
Hygenic value & risk for STDs?
Medical risks
Mutilation, shock, psychological trauma
American Academy of Pediatrics
moderate opposition
Sexual satisfaction

5. Male Genital Health: Penis Health-Care Issues
Cleanliness
Smegma (dead skin cells, can cause infection)
Allergic reaction to vaginal secretions
Injuries
Don’t use vacuums!
Penetration

6. Male Genital Health: Testicle Health-Care Issues
Penile Cancer
Over 50, multiple partners, poor hygiene, herpes
Testicular Cancer
Rare
More common in young men (15 to 34 years old)
Hard or irregular mass
Survival > 90% if detected early
Most have normal sexual pleasure post surgery

7. Male Genital Health: Prostate Cancer
Higher among Black men
Lower survival rate too
Genetic, hormonal, nutritional factors
Lacks easily detectable symptoms
Digital rectal examination
Prostate specific antigen
Detectable by blood test