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10 Cards in this Set
- Front
- Back
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Detrusor Muscle |
Muscular lining of bladder activated by parasympathetic activity. |
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Internal/External Urethral Sphincter |
Internal consists of smooth muscle, contracted in its normal state, involuntarily controlled. External consists of skeletal muscle and is under voluntary control. |
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Micturition Reflex |
Reflex where a full bladder causes parasympathetic neurons to induce contraction of detrusor muscles, relaxation of internal sphincter. |
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Filtration |
Movement of solutes from blood to filtrate at Bowman's capsule. |
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Secretion |
Movement of solutes from blood to filtrate anywhere besides Bowman's capsule. |
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Reabsorption |
Movement of solute from filtrate to blood. |
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Countercurrent Multiplier System |
Combination of vasa recta and nephron where flow of filtrate through loop of Henle is opposite of flow of blood through vasa recta. Allows filtrate to constantly be exposed to hypertonic blood for maximal reabsorption of water. |
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Juxtoglomerular Cells |
Cells in kidney that release renin in response to decreased blood pressure. |
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Renin |
Cleaves angiotensin to antiotensin I. |
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Oncotic Pressure |
Portion of osmotic pressure attributable to dissolved proteins specifically. |
