| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
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| MECTA | mobile electroconvulsive therapy apparatus |
| MJA | mechanical joint apparatus |
| NUMA | nuclear mitotic apparatus |
| pH-stat | apparatus for maintaining the pH of a solution |
| mitotic spindle apparatus | An organelle consisting of three components: 1) the astral microtubules, which form around each centrosome and extend to the periphery; 2) the polar microtubules which extend from one spindle pole to the equator; and 3) the kinetochore microtubules, which connect the centromeres of the various chromosomes to either centrosome. (12 Dec 1998) |
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| Warburg's apparatus | An apparatus for measuring the oxygen consumption of incubated tissue slices by manometric measurement of changes in gas pressure produced by oxygen absorption in an enclosed flask. Synonym: Barcroft-Warburg apparatus. (05 Mar 2000) |
| Haldane's apparatus | <apparatus, chest medicine> A device used for the analysis of respiratory gases. (05 Mar 2000) |
| Sayre's suspension apparatus | Archaic term for Sayre's suspension traction. (05 Mar 2000) |
| Scholander apparatus | A device used for determining the oxygen and carbon dioxide percentage in 0.5 ml of a respiratory gas. (05 Mar 2000) |
| Heyns' abdominal decompression apparatus | A vacuum chamber enclosing the abdomen of the pregnant woman, creating pressure during the first stage of labour. (05 Mar 2000) |
| pyriform apparatus | A pear-shaped structure within the eggshell of certain tapeworms (family Anoplocephalidae), of uncertain function. (05 Mar 2000) |
| hyoid apparatus | <veterinary> A veterinary anatomy term for hyoid bones, a modified portion of the ancestral branchial skeleton consisting of an articulated chain of bones extending from the mastoid region of the skull on each side to the base of the tongue. In humans, it is reduced to a single bone, os hyoideum; in a typical mammal (the dog), it consists of a tympanohyoid cartilage attached to the skull, followed by the stylohyoid, epihyoid, keratohyoid, basihyoid, and thyrohyoid bones. Synonym: apparatus hyoideus. (05 Mar 2000) |
| subneural apparatus | Modified sarcoplasm in a motor end-plate. (05 Mar 2000) |
| dental apparatus | The organs and structures primarily functioning in mastication: the jaws, teeth with their supporting structures, temporomandibular joint, muscles of mastication, tongue, lips, cheeks, and oral mucosa. Synonym: dental apparatus, masticatory apparatus. (05 Mar 2000) |
| digestive apparatus | The digestive tract from the mouth to the anus with all its associated glands and organs. Synonym: apparatus digestorius. (05 Mar 2000) |
| Taylor's apparatus | taylor's back brace |
| Tiselius apparatus | An apparatus for separating proteins in solution by electrophoresis and thus for determining the isoelectric point, molecular weight, and related physical properties; the direction and rate of migration of the protein and the characteristics of the boundary phase between the protein solution and the supernatant salt solution are recorded by photography of the changes in refractive index at the boundary. (05 Mar 2000) |
| juxtaglomerular apparatus | A collective term for the juxtaglomerular cells in a nephron. These are specialised cells containing secretory granules, located in the tunica media of the afferent glomerular arterioles. They are receptors thought to stimulate secretion of the adrenal hormone aldosterone and to play a major role in renal autoregulation. (12 Dec 1998) |
| Kirschner's apparatus | An apparatus for skeletal traction in long bone fracture. Synonym: Kirschner's apparatus. (05 Mar 2000) |