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| Angelina Total Posts: 130 | Posted: Mon Apr 23, 2007 05:06 am Cochlea: inner vs. outer hair cell function Quote: "Outer cells are Out of the brain. Inner cells are Into the brain": Outer hair cells are motor efferents to amplify signal. Inner hair cells are sensory afferents that actually pick up the sound. Pituitary hormones Quote: FLAGTOP: Follicle stimulating hormone Lutinizing hormone Adrenocorticotropin hormone Growth hormone Thyroid stimulating hormone Oxytocin Prolactin Alternatively: GOAT FLAP with the second 'A' for Anti-diruetic homone/vasopressin · Note: there is also melanocyte secreting homone and Lipotropin, but they are not well understood. Adrenal cortex layers and products Quote: "Go Find Rex, Make Good Sex": · Layers: Glomerulosa Fasiculata Reticulata · Respective products: Mineralcorticoids Glucocorticoids Sex hormones · Alternatively for layers: GFR (Glomerular Filtration Rate, convenient since adrenal glands are atop kidney). Einthoven's Triangle: organization Quote: Corners are at RA (right arm), LA (left arm), LL (left leg). Number of L's at a corner tell how many + signs are at that corner [eg LL is ++]. Sum of number of L's of any 2 corners tells the name of the lead [eg LL-LA is lead III]. For reference axes, the negative angle hemisphere is on the half of the triangle drawing that has all the negative signs; positive angle hemisphere contains only positive signs. · See diagram. Heart valves: sequence of flow Quote: TRIPS BIAS: TRIcuspid Pulmonary Semilunar BIcuspid Aortic Semilunar Alternatively: "TRIPS, MI ASs!" (uses MItral instead of BIcuspid Compliance of lungs factors Quote: COMPLIANCE: Collagen deposition (fibrosis) Ossification of costal cartilages Major obesity Pulmonary venous congestion Lung size Increased expanding pressure Age No surfactant Chest wall scarring Emphysema · All but L/A/E decrease compliance. Progesterone: actions Quote: PROGESTE: Produce cervical mucous Relax uterine smooth muscle Oxycotin sensitivity down Gonadotropin [FSH, LH] secretions down Endometrial spiral arteries and secretions up Sustain pregnancy Temperature up / Tit development Excitability of myometrium down Hyperthyroidism: signs and symptoms Quote: THYROIDISM: Tremor Heart rate up Yawning [fatigability] Restlessness Oligomenorrhea & amenorrhea Intolerance to heat Diarrhea Irritability Sweating Musle wasting & weight loss Hemoglobin and myoglobin: binding strengths, sites Quote: "ABC" of glycosylated Hb (Hb1c): · Glucose binds to Amino terminal of Beta Chain. "HbF binds Forcefully": · HbF binds oxygen more forcefully than HbA, so Oxy-Hb dissociation curve shifts to left. Stored blood is SOS: · Stored blood Hb binds to Oxygen Strongly because of decrease in 2,3 BPG. 2,3 BPG binding site is BBC: · BPG binds to Beta Chain of Hb. Myoglobin binding strength is MOM: · Myoglobin binds Oxygen More strongly than Hb. Oestrogen: functions Quote: OESTROGEN SUX: Organ development (sex organs) Endocrine: FSH and LH regulation Secondary sex characteristics development Tropic for pregnancy Receptor synthesis (of progesterone, oestrogen, LH) Osteoporosis decrease (inhibits bone reabsorption) Granulosa cell development Endocrine: increases prolactin secretion, but then blocks its effect Nipple development Sex drive increase Uterine contractility increase oXytocin sensitivity increase Electrical conductivity of tissues Quote: "Be Careful To Shock My Best Nerve": In order of least conductive to most conductive: Bones Cartilage Tendon Skin Muscle Blood Nerve Potassium: causes of potassium leaving cells Quote: A$$E$ Acidosis: H+ ions move in. Starvation: catabolism of cells. Stress: catabolism of cells (postoperative). Exercise: catabolism of cells. Sodium chloride lost: K+ replaces it and is then excreted. |