| lateral ligament of malleus | A short fan-shaped ligament converging from the posterior half of the tympanic notch to the neck of the malleus. Synonym: ligamentum mallei laterale. (05 Mar 2000) |
|---|---|
| ligaments of malleus | See: anterior ligament of malleus, lateral ligament of malleus, superior ligament of malleus. (05 Mar 2000) |
| ABC process | Purification of water or deodorization of sewage by a mixture of alum, blood, and charcoal. (05 Mar 2000) |
| accessory process | A small apophysis at the posterior part of the base of the transverse process of each of the lumbar vertebrae. Synonym: processus accessorius, accessory tubercle. (05 Mar 2000) |
| acromial process | <anatomy> The lateral triangular projection of the spine of the scapula that forms the point of the shoulder and articulates with the clavicle. (27 Sep 1997) |
| activated sludge process | <procedure> A method of treating sewage and wastewater through microbial oxidation. Sewage previously treated in settling tanks is aerated to encourage the growth of nonpathogenic aerobic microorganisms (bacteria, yeasts, moulds and protozoans) which break the organic matter down into carbon dioxide, water and simple salts. After this activated sludge is produced, the wastewater undergoes further processing through anaerobic digestion, filtering and chlorination. (29 Dec 1997) |
| adiabatic process | <chemistry> A process in which the system does not exchange heat with the surroundings. (15 Jan 1998) |
| agene process | Bleaching of flour with nitrogen trichloride (prohibited in the United States). (05 Mar 2000) |
| alar process | A small lateral expansion of the ethmoid bone from the front of the crista galli on each side that articulates with the frontal bone and forms the foramen caecum. Synonym: ala cristae galli, alar process. (05 Mar 2000) |
| alveolar process | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| apical process | The dendritic process extending from the apex of a pyramidal cell of the cerebral cortex toward the surface. Synonym: apical dendrite. (05 Mar 2000) |
| articular process | One of the small flat projections on the surfaces of the arches of the vertebrae on either side, at the point where the pedicles and laminae join, forming the zygapophysial joint surfaces; superior articular process, diapophysis; one of the anticular processes on the superior surface of the vertebral arch; inferior articular process, one of the articular processes on the inferior surface of the vertebral arch. Synonym: processus articularis, zygapophysis. (05 Mar 2000) |
| ascending process | An upward extension of the embryonic pterygoquadrate cartilage; it develops into the greater wing of the sphenoid bone. Synonym: ascending process. (05 Mar 2000) |
| auditory process | The roughened edge of the tympanic plate giving attachment to the cartilaginous portion of the external acoustic meatus. (05 Mar 2000) |
| axonal process | An obsolete term for axon. (05 Mar 2000) |