NSE 13A/B Lecture 9: NSE13 GI system, Anus, rectum, prostate
31 Jan 2016
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Document Summary
The first stool passed by the newborn is dark green meconium; its occurrence, within 24-48 hours of birth, indicates anal patency. At male puberty, the prostate gland undergoes a very rapid increase to more than twice its pre-pubertal size. It remains the same size fairly constant during early adulthood: the prostate gland commonly starts to enlarge during middle adult years. This enlargement, benign prostatic hypertrophy (bph), is present in 1 per 10 men at the age of 40 years and increases with age. It is thought to be caused by a hormonal imbalance that leads to the proliferation of benign adenomas. These gradually impede urine output because they obstruct the urethra. the risk for developing prostate cancer increases with age. Note that the buttocks are firm and rounded with no masses or lesions: recall the mongolian spot is common variation of hyperpigmentation in newborns of african,
