| holt | 1. A piece of woodland; especially, a woody hill. "Every holt and heath." "She sent her voice though all the holt Before her, and the park." (Tennyson) 2. A deep hole in a river where there is protection for fish; also, a cover, a hole, or hiding place. " The fox has gone to holt." Origin: AS. Holt; akin to LG.holt, D.hout, G. Holz. Icel. Holt; cf Gael. & Ir.coill wood, Gr. Branch, shoot. Source: Websters Dictionary (01 Mar 1998) |
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| Holt-Oram syndrome | <syndrome> An inherited type of heart disease where there are defects in the internal walls (septa) between the atrium and ventricle chambers of the heart. Holt-Oram syndrome is dominant (requires only one copy in the genome to be expressed) and is often associated with skeletal deformities such as abnormally short forearms or thumbs. Inheritance: autosomal dominant. (09 Oct 1997) |
| Holter | Norman, U.S. Biophysicist, 1914-1983. See: Holter monitor. (05 Mar 2000) |
| Holter monitoring | <cardiology, investigation> A test which measures the heart rhythm (ECG) over a 24 hour period of time while the patient records their symptoms and activities in a diary. A small portable ECG device is worn in a pouch around the neck. After the test is complete, a correlation is made between the symptoms (or activities) recorded and the ECG pattern that was obtained simultaneously. (27 Sep 1997) |
| Holthouse | Carsten, British surgeon, 1810-1901. See: Holthouse's hernia. (05 Mar 2000) |
| Holthouse's hernia | Inguinal hernia with extension of the loop of intestine along Poupart's ligament. (05 Mar 2000) |
| holtzman inkblot test | Personality evaluation based on the scoring of several variables as a result of the subject's responses in perceiving 47 inkblot plates. (12 Dec 1998) |