CC CJM | GU

Podcast: STAT Stitch Deep Dive Podcast Beyond The Bedside · Regular Guy

Opublikowano: 2026-10-05

Urinary System: 80/20 Summary 1. Anatomy & Blood Supply The upper urinary tract has two retroperitoneal, bean-shaped kidneys (T12–L3) and 2 ureters[1]. The lower tract comprises the bladder and urethra[1]. Each kidney is shielded by a fibrous capsule and cushioned by fat[1]. The functional unit is the nephron (~1 million), consisting of a glomerulus, Bowman's capsule, and tubule system (PCT, loop of Henle, DCT, and collecting ducts)[2]. Blood flow is ~1200 mL/min (20-25% of cardiac output) via the renal artery, which divides into afferent arterioles[2]. 2. Physiology of Urine Formation Urine is formed through filtration, reabsorption, secretion, and excretion[2]. Gl...