Riedel's disease |
A rare fibrous induration of the thyroid gland, with adhesion to adjacent structures, which may cause tracheal compression. Synonym: chronic fibrous thyroiditis, ligneous struma, ligneous thyroiditis, Riedel's disease, Riedel's struma. (05 Mar 2000) |
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Riedel's lobe |
An occasional tongue-like process extending downward from the right lobe of the liver lateral to the gallbladder; a similar process may, though rarely, extend from the left lobe. Synonym: lobus appendicularis, lobus linguiformis. (05 Mar 2000) |
Riedel's struma |
A rare fibrous induration of the thyroid gland, with adhesion to adjacent structures, which may cause tracheal compression. Synonym: chronic fibrous thyroiditis, ligneous struma, ligneous thyroiditis, Riedel's disease, Riedel's struma. (05 Mar 2000) |
Riedel's thyroiditis |
A rare fibrous induration of the thyroid gland, with adhesion to adjacent structures, which may cause tracheal compression. Synonym: chronic fibrous thyroiditis, ligneous struma, ligneous thyroiditis, Riedel's disease, Riedel's struma. (05 Mar 2000) |
Riedel, Bernhard |
<person> German surgeon, 1846-1916. See: Riedel's disease, Riedel's lobe, Riedel's struma, Riedel's thyroiditis. (05 Mar 2000) |
Rieder cell leukaemia |
A special form of acute granulocytic leukaemia in which the affected tissues and the circulating blood contain relatively large numbers of atypical myeloblasts (i.e., Rieder cells) that have the usual, faintly granular, immature type of cytoplasm, and a bizarre, comparatively mature nucleus with several wide and deep indentations (suggestive of lobulation). (05 Mar 2000) |
Rieder cells |
Abnormal myeloblasts (12 to 20 um in diameter) in which the nucleus may be widely and deeply indented (i.e., suggestive of lobulation), or may actually be a bi-or multi-lobate structure; such cell's are frequently observed in acute leukaemia, and probably represent a more rapid maturation of the nucleus than that of the cytoplasm. (05 Mar 2000) |
Rieder's lymphocyte |
An abnormal form of lymphocyte that has a greatly indented (or lobed), slightly twisted nucleus; such cells are usually observed in certain examples of chronic lymphocytic leukaemia. (05 Mar 2000) |
Rieder, Hermann |
<person> German pathologist, 1858-1932. See: Rieder cells, Rieder cell leukaemia, Rieder's lymphocyte. (05 Mar 2000) |
Riegel's pulse |
A pulse that diminishes in volume during expiration. (05 Mar 2000) |
Riegel, Franz |
<person> German physician, 1843-1904. See: Riegel's pulse. (05 Mar 2000) |
Rieger's anomaly |
Mesodermal dysgenesis of cornea and iris, producing pupillary anomalies, posterior embryotoxon, and secondary glaucoma. Synonym: Rieger's anomaly. (05 Mar 2000) |
Rieger's syndrome |
<syndrome> Iridocorneal mesodermal dysgenesis combined with hypodontia or anodontia and maxillary hypoplasia; autosomal dominant; there is a delayed sexual development and hypothyroidism; there is a deficiency in human growth hormone (05 Mar 2000) |
Rieger, Herwigh |
<person> German ophthalmologist. See: Rieger's anomaly, Rieger's syndrome. (05 Mar 2000) |
Riehl's melanosis |
A brown pigmentary condition of the exposed portions of the skin of the neck and face with melanin pigment in dermal macrophages, thought to result from photodermatitis due to materials, such as cosmetic ingredients, or oils encountered in various occupations. (05 Mar 2000) |