| proximal small bowel disease | <radiology> Giardia, eosinophilic gastroenteritis, Zollinger-Ellison (12 Dec 1998) |
|---|---|
| proximal spiral septum | See: spiral septum. (05 Mar 2000) |
| proximal tibiofibular joint | The plane synovial joint between the lateral condyle of the tibia and the head of the fibula. Synonym: articulatio tibiofibularis, superior tibial articulation, superior tibiofibular joint, tibiofibular articulation. (05 Mar 2000) |
| proximal urethral sphincter | The complete collar of smooth muscle cells of the neck of the urinary bladder which extend distally to surround the preprostatic sportion of the male urethra. There is not a comparable structure in the neck of the femoral bladder; the internal urethral sphincter may exist to prevent reflux of semen into bladder. Synonym: annulus urethralis, internal urethral sphincter, musculus sphincter vesicae, preprostate urethral sphincter, proximal urethral sphincter, sphincter muscle of urinary bladder. (05 Mar 2000) |
| air pump | 1. <physics> A kind of pump for exhausting air from a vessel or closed space; also, a pump to condense air of force in into a closed space. 2. <engineering> A pump used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air. Source: Websters Dictionary (01 Mar 1998) |
| breast pump | A suction instrument for withdrawing milk from the breast. (05 Mar 2000) |
| calcium pump | A transport protein responsible for moving calcium out of the cytoplasm. See: calcium ATPase. (18 Nov 1997) |
| calf pump | Muscular activity of calf that promotes venous flow towards the heart. (05 Mar 2000) |
| Carrel-Lindbergh pump | A perfusion device designed for use in culture of whole organs. (05 Mar 2000) |
| constant infusion pump | An electrically driven device for delivery from a reservoir of a constant, often very small, volume of solution over a prolonged period of time. (05 Mar 2000) |
| saliva pump | saliva ejector |
| proton pump | Integral membrane proteins that transport protons across a membrane against a concentration gradient. This transport is driven by hydrolysis of ATP by hydrogen-transporting ATP synthase. (12 Dec 1998) |
| proton pump inhibitor | <pharmacology> A group of anti-ulcer medications which work by binding to H+/K+ ATPase, an enzyme which is found on the secretory surface of parietal cells. It thereby inhibits the final transport of hydrogen ions (via exchange with potasium) into the gastric lumen. Examples of proton pump inhibitors include omeprazole and lansoprazole. (27 Sep 1997) |
| hogger-pump | <chemical> The for pump in the pit. Source: Websters Dictionary (01 Mar 1998) |
| pump | An hydraulic machine, variously constructed, for raising or transferring fluids, consisting essentially of a moving piece or piston working in a hollow cylinder or other cavity, with valves properly placed for admitting or retaining the fluid as it is drawn or driven through them by the action of the piston. For various kinds of pumps, see Air pump, Chain pump, and Force pump; also, under Lifting, Plunger, Rotary, etc. Circulating pump See Well. Origin: Akin to D. Pomp, G. Pumpe, F. Pompe; of unknown origin. Source: Websters Dictionary (01 Mar 1998) |