| mad-apple | <botany> See Eggplant. Source: Websters Dictionary (01 Mar 1998) |
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| 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) |
| 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) |
| sea apple | <botany> The fruit of a West Indian palm (Manicaria Plukenetii), often found floating in the sea. Source: Websters Dictionary (01 Mar 1998) |
| oak apple | An excrescence on the oak, Quercus infectoria (family Fagaceae) and other species of Quercus, caused by the deposit of the ova of a fly, Cynips gallae tinctorae; an astringent and styptic, by virtue of the tannin it contains. Synonym: gall, galla, oak apple. (05 Mar 2000) |
| otaheite apple | <botany> The fruit of a Polynesian anacardiaceous tree (Spondias dulcis), also called vi-apple. It is rather larger than an apple, and the rind has a flavor of turpentine, but the flesh is said to taste like pineapples. A West Indian name for a myrtaceous tree (Jambosa Malaccensis) which bears crimson berries. Origin: So named from Otaheite, or Tahiti, one of the Society Islands. Source: Websters Dictionary (01 Mar 1998) |
| asthma crystals | Crystal's in the shape of elongated double pyramids, formed from eosinophils, found in the sputum in bronchial asthma and in other exudates or transudates containing eosinophils. Synonym: asthma crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Leyden's crystals. (05 Mar 2000) |
| biaxial crystals | <microscopy> Anisotropic crystals in the orthorhombic, monoclinic and triclinic systems. They have three principal refractive indices alpha, beta, and gamma, and two isotropic directions, i.e., optic axes. Bifilar eyepiece. An ocular with two crossed hairs, wires, filaments or threads each of which has perpendicular motion. (05 Aug 1998) |
| blood crystals | <haematology> A substance which appears to be identical to the red-orange bile pigment bilirubin, but which is produced from haemoglobin in tissues rather than within the liver and usually when oxygen tension is low. (09 Oct 1997) |
| Bottcher's crystals | Small crystal's observed microscopically in prostatic fluid that is treated with a drop or two of 1% solution of ammonium phosphate. (05 Mar 2000) |
| Virchow's crystals | Yellow-brown, amber, or burnt orange crystal's of haematoidin, frequently observed in extravasated blood in tissues. (05 Mar 2000) |
| Charcot-Leyden crystals | Crystal's in the shape of elongated double pyramids, formed from eosinophils, found in the sputum in bronchial asthma and in other exudates or transudates containing eosinophils. Synonym: asthma crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Leyden's crystals. (05 Mar 2000) |
| Charcot-Neumann crystals | Crystal's in the shape of elongated double pyramids, formed from eosinophils, found in the sputum in bronchial asthma and in other exudates or transudates containing eosinophils. Synonym: asthma crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Leyden's crystals. (05 Mar 2000) |
| Charcot-Robin crystals | Crystal's in the shape of elongated double pyramids, formed from eosinophils, found in the sputum in bronchial asthma and in other exudates or transudates containing eosinophils. Synonym: asthma crystals, Charcot-Neumann crystals, Charcot-Robin crystals, Leyden's crystals. (05 Mar 2000) |
| chlorohemin crystals | Rhombic crystals of hemin; used in microscopic detection of blood. See: hemin. Synonym: chlorohemin crystals. (05 Mar 2000) |