| May apple | <botany> The dried seeds and root of the mayapple (Podophyllum peltatum) from which several medicinally-useful compounds can be extracted. (09 Oct 1997) |
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| May apple root | <botany> A powdered mixture of resins taken from dried seeds and root of the mayapple (Podophyllum peltatum), it is typically used as a topical caustic agent. (09 Oct 1997) |
| May-Grunwald stain | <technique> A German equivalent of Jenner's stain, used for blood staining and in cytology; often used in combination with Giemsa stain; valuable in demonstrating parasitic flagellates. (05 Mar 2000) |
| May-Hegglin anomaly | A disorder in which neutrophils and eosinophils contain basophilic structures known as Dohle or Amato bodies and in which there is faulty maturation of platelets, with thrombocytopenia; autosomal dominant inheritance. Synonym: May-Hegglin anomaly. (05 Mar 2000) |
| May-White syndrome | <syndrome> Progressive myoclonus epilepsy with lipomas, deafness, and ataxia; probably a familial form of mitochondrial encephalomyopathy. (05 Mar 2000) |
| Mayaro virus | A virus of the genus Alphavirus, family Togaviridae, causing epidemics of undifferentiated type fever in South America. (05 Mar 2000) |
| maybe | Perhaps; possibly; peradventure. "Maybe the amorous count solicits her." (Shak) "In a liberal and, maybe, somewhat reckless way." (Tylor) Origin: For it may be. Possible; probable, but not sure. "Then add those maybe years thou hast to live." (Driden) Possibility; uncertainty. "What they offer is mere maybe and shift." (Creech) Source: Websters Dictionary (01 Mar 1998) |
| maybird | <zoology> The whimbrel. Synonym: May fowl, May curlew, and May whaap. The knot. The bobolink. Source: Websters Dictionary (01 Mar 1998) |
| maybloom | <botany> The hawthorn. Source: Websters Dictionary (01 Mar 1998) |
| maybush | <botany> The hawthorn. Source: Websters Dictionary (01 Mar 1998) |
| Mayer's haemalum stain | <technique> A progressive nuclear stain also used as a counterstain. (05 Mar 2000) |
| Mayer's mucicarmine stain | A red stain containing aluminum chloride and carmine; used to detect epithelial mucins and mucin-secreting adenocarcinomas; also used to demonstrate the capsule of Cryptococcus neoformans and other fungi. (05 Mar 2000) |
| Mayer's mucihematein stain | A violet-blue staining fluid containing aluminum chloride and haematein; used to detect connective tissue mucins. (05 Mar 2000) |
| Mayer's pessary | An elastic ring pessary. Synonym: Mayer's pessary. (05 Mar 2000) |
| Mayer's reflex | Opposition and adduction of the thumb with flexion at its metacarpophalangeal joint and extension at its interphalangeal joint, when firm passive flexion of the third, fourth, or fifth finger is made; the reflex is present normally but is absent in pyramidal lesions. Synonym: finger-thumb reflex, Mayer's reflex. (05 Mar 2000) |