PHYSL 210 Lecture Notes - Lecture 9: Body Water, Cholecalciferol, Fluid Compartments
23 Dec 2019
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Fluid compartment: total body water (tbw) = 42l for 70kg adult male memorze, 60% of total body weight, body fluid compartments. Icf intracellular fluid (fluid inside the cell: ecf extracellular fluid: plasma + interstitial + cerebrospinal fluid (fluid outside the cell, plasma , non-cellular part of blood, fluid part inside blood vessels, it flows thru. Fluid/solute movement between compartments in ecf: filtration: movement out, absorption: movement in. Factors determining fluid movement along capillaries: starling law, pc - capillary hydrostatic pressure, if - osmotic force due to interstitial fluid protein conc, pif - interstitial fluid hydrostatic pressure, c - osmotic force due to plasma protein conc. Homeostasis: total body balance of any substance. Ingestion = excretion: product of metabolism = get metabolized. Anatomy of kidney: outer cortex -> inner medulla. Anatomy of the renal corpuscle: all renal corpuscles are found in cortex, glomerular capillary, fenestrated endothelial layer (most inward, basement membrane, podocytes (most outward)
