| 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 |
| apparatus | Origin: L, from apparare, apparatum, to prepare; ad + prepare to make ready. 1. Things provided as means to some end. 2. Hence: A full collection or set of implements, or utensils, for a given duty, experimental or operative; any complex instrument or appliance, mechanical or chemical, for a specific action or operation; machinery; mechanism. 3. <physiology> A collection of organs all of which unite in a common function; as, the respiratory apparatus. Source: Websters Dictionary (01 Mar 1998) |
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| apparatus digestorius | The digestive tract from the mouth to the anus with all its associated glands and organs. Synonym: apparatus digestorius. (05 Mar 2000) |
| apparatus hyoideus | <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) |
| apparatus lacrimalis | The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system. (12 Dec 1998) |
| apparatus ligamentosus colli | A sagittal ligamentous band at the back of the neck, formed of thickened supraspinous ligaments; it extends from the external occipital protuberance to the posterior border of the foramen magnum, cranially, to the seventh cervical spinous process, caudally. Synonym: apparatus ligamentosus colli, nuchal ligament. (05 Mar 2000) |
| apparatus ligamentosus weitbrechti | A gelatinous membrane, attached to the bony spiral lamina, which overlies the hair cells within the cochlea of the inner ear. (12 Dec 1998) |
| apparatus respiratorius | The organs that are involved in breathing. These include the nose, throat, larynx, trachea, bronchi, and lungs. (12 Dec 1998) |
| apparatus suspensorius lentis | A series of delicate meridional fibres arising from the inner surface of the orbiculus ciliaris that run in bundles between, and in a very thin layer over, the ciliary processes; at the inner border of the corona, the fibres diverge into two groups that are attached to the capsule on the anterior and posterior surfaces of the lens close to the equator; the spaces between these two layers of fibres are filled with aqueous humor. Synonym: zonula ciliaris, apparatus suspensorius lentis, suspensory ligament of lens, Zinn's zonule. (05 Mar 2000) |
| apparatus urogenitalis | The organs concerned in the production and excretion of urine, together with the organs of reproduction. (12 Dec 1998) |
| attachment apparatus | The tissues that attach the tooth to the alveolar process: cementum, periodontal membrane, and alveolar bone. (05 Mar 2000) |
| Barcroft-Warburg 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) |
| Beckmann's apparatus | Apparatus for the accurate measurement of melting points and boiling points in connection with molecular weight determinations. (05 Mar 2000) |
| Benedict-Roth apparatus | <apparatus, physiology> A device employed to measure the amount of oxygen utilised in quiet breathing in the basal state for the estimation of the basal metabolic rate; the subject rebreathes oxygen through soda lime from a recording spirometer. (14 Aug 2000) |
| branchial apparatus | The aggregate of the pharyngeal arches, pouches, clefts, and membranes seen in the developing embryo of vertebrates. (05 Mar 2000) |
| Van Slyke apparatus | An apparatus for determining the amounts of respiratory gases in the blood. (05 Mar 2000) |