| multifid | <botany> Having many segments; cleft into several parts by linear sinuses; as, a multifid leaf or corolla. Origin: L. Multifidus; multus much, many + findere to split: cf. F. Multifide. Source: Websters Dictionary (01 Mar 1998) |
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| multifidus | <anatomy, muscle> Origin, from the sacrum, sacroiliac ligament, mamillary processes of the lumbar vertebrae, transverse processes of thoracic vertebrae, and articular processes of last four cervical vertebrae; insertion, into the spinous processes of all the vertebrae up to and including the axis; action, rotates vertebral column; nerve supply, dorsal primary rami of spinal nerves. Synonym: musculus multifidus, intermediate layer of the transversospinalis muscles, musculus multifidus spinae. (05 Mar 2000) |
| multiflorous | <botany> Having many flowers. Origin: L. Multiflorus; multus much, many + flos, floris, flower: cf. F. Multiflore. Source: Websters Dictionary (01 Mar 1998) |
| multifocal | Arising from or pertaining to many locations. (16 Dec 1997) |
| multifocal atrial tachycardia | A rapid heart rate that is generated from multiple locations within the atria. Multifocal atrial tachycardia (MAT) tends to be in the range of 100 to 180 beats per minute. MAT can be seen in association with COPD, pneumonia, CHF, lung cancer, diabetes, pulmonary embolism, theophylline toxicity, coronary artery disease or digoxin toxicity. Origin: Gr. Kardia = heart (27 Sep 1997) |
| multifocal choroiditis | Macular, peripapillary, and peripheral choroiditis, often designated presumed ocular histoplasmosis. (05 Mar 2000) |
| multifocal lens | A lens with segments providing two or more powers; commonly, a trifocal lens. (05 Mar 2000) |
| multifocal osteitis fibrosa | The occurrence of lesions of fibrous dysplasia in multiple bones, commonly on one side of the body; may occur with areas of pigmentation and endocrine dysfunction (McCune-Albright syndrome). Synonym: multifocal osteitis fibrosa, osteitis fibrosa disseminata. (05 Mar 2000) |
| multifoil | An ornamental foliation consisting of more than five divisions or foils. See Foil. Origin: Multi- + foil. Having more than five divisions or foils. Source: Websters Dictionary (01 Mar 1998) |
| multiform | <biology> Occurring in several or many forms, appearing in different forms at different stages of development. Origin: Gr. Morph = form (18 Nov 1997) |
| multiform layer | Layer 6 of the cortex cerebri. Synonym: multiform layer, polymorphous layer, spindle-celled layer. (05 Mar 2000) |
| multiformat camera | Photographic or laser printer for recording a variable number of video images on a sheet of film, as in computed tomography or ultrasound. (05 Mar 2000) |
| multigene family | <molecular biology> A set of genes coding for diverse proteins which, by virtue of their high degree of sequence similarity, are believed to have evolved from a single ancestral gene. An example is the immunoglobulin family where the characteristic features of the constant domains are found in various cell surface receptors. (18 Nov 1997) |
| multigeneration study | Toxicity test in which at least 3 generations of the test organisms are exposed to the substance being assessed. Exposure is usually continuous. Any medical study which follows a family of people through several generations. (09 Oct 1997) |
| multigenic | <genetics> An hereditary characteristic that is specified by several genes. Origin: Gr. Gennan = to produce (14 Nov 1997) |