| Horsley's bone wax | A mixture of antiseptic agents, oil, and wax used to stop bleeding by plugging bone cavities or haversian canals. Synonym: Horsley's bone wax. (05 Mar 2000) |
|---|---|
| Horsley, Sir Victor | <person> English surgeon, 1857-1916. See: Horsley's bone wax. (05 Mar 2000) |
| Hortega cells | <pathology> A part of the neuroglia. It consists of small glial cells which migrate through nerve tissue and remove waste products by phagocytosis. (09 Oct 1997) |
| Hortega's neuroglia stain | <technique> One of several silver carbonate methods to demonstrate astrocytes, oligodendroglia, and microglia. (05 Mar 2000) |
| Hortega, Pio del Rio | <person> Spanish neurohistologist in South America, 1882-1945. See: Hortega cells, Hortega's neuroglia stain. (05 Mar 2000) |
| Horton's arteritis | giant cell arteritis |
| Horton's cephalalgia | <symptom> A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Can be accompanied by a blocked nasal passage, runny nose, and-or tearing. One may also notice facial flushing, ptosis (dropping eyelid), facial swelling and constriction of the pupils. (27 Sep 1997) |
| Horton's headache | <symptom> A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Can be accompanied by a blocked nasal passage, runny nose, and-or tearing. One may also notice facial flushing, ptosis (dropping eyelid), facial swelling and constriction of the pupils. (27 Sep 1997) |
| Horton's syndrome | <syndrome> A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Can be accompanied by a blocked nasal passage, runny nose, and-or tearing. One may also notice facial flushing, ptosis (dropping eyelid), facial swelling and constriction of the pupils. (27 Sep 1997) |
| Horton, Bayard | <person> U.S. Physician, *1895. See: Horton's arteritis, Horton's cephalalgia, Horton's headache. (05 Mar 2000) |
| hortus siccus | A collection of specimens of plants, dried and preserved, and arranged systematically; an herbarium. Origin: L, a dry garden. Source: Websters Dictionary (01 Mar 1998) |