11.12.13 kin 273 lab notes- Urinary system:- Inferior vena cava- Abdominal aorta- Branches off – inervate different organso Kidneys – renal vein and renal artery Branch off, become capillaries- Renal hilum- Renal medullas – shaped like brain’s head (pinky and the brain)o Orange slices ?o At base: all urine produced comes down minor calyx tunnels- Renal cortex – thick fibrous tissue- Fibrous capsule/renal capsule (hard surface around kidney)- Major calyxo Come to form renal pelvis- Minor calyxo Tunnels that come from medullao They combine to make main area (major calex)- Renal pelviso Entrance of uriter- Uritero Plumbing in bodyo Collects urineo- Renal column (spaces between medullas)- Medulla minor calyx  major calyx  renal pelvis  ureter- This is it for pg 400 ^- Peritoneumo Membrane around bladder- Rugae – bumpy lining- Detruser muscle - Internal urethral sphyincter- Males: prostate- External urthral sphyncter- Females: Urethra (prosth- External urethral orifice- Arteriole entering – afferent- Arteriole leaving – efferent- Proximal convoluted tubule- Loop of Henleo  distal convoluted tubule- collecting duct, connected to more tubules…o unit is called a nephron filtration unit in kidney- ADH – antidieretic hormoneo Naturally it digs holes in collecting duct so water comes back into