| 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) |
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| sick headache | <disease> An often familial symptom complex of periodic attacks of vascular headache, usually temporal and unilateral in onset, commonly associated with irritability, nausea, vomiting, constipation or diarrhoea and often photophobia, attacks are preceded by constriction of the cranial arteries, usually with resultant prodromal sensory (especially ocular) symptoms and commence with the vasodilation that follows. Origin: Gr. Hemikrania = an affection of half of the head (18 Nov 1997) |
| spinal headache | A headache that can occur after a lumbar puncture is performed. Patients who lie flat on their stomach for one hour immediately after lumbar puncture, followed by 12 hours on their back, have a decreased incidence of spinal headaches. (27 Sep 1997) |
| nodular headache | Radiating pain in the head accompanied by nodular swellings in the splenius, frontalis, trapezius, and other muscles. (05 Mar 2000) |
| symptomatic headache | A headache secondary to another organic condition. Synonym: reflex headache. (05 Mar 2000) |
| organic headache | Headache due to intracranial disease. (05 Mar 2000) |
| tension headache | <neurology> A benign form of headache that results from the painful spasm (muscle tightness) and inflammation of muscles of the head and neck. Tension headache is one of the most common forms of headache. Spasm and contraction of the head and neck muscles may occur in response to fatigue, overuse, eye strain, excessive smoking, stress, anxiety or depression. Sleeping in an abnormal position or prolonged work involving immobilisation of the neck in one position (typing, computers, etc.) are considered common triggers. Exercising and stretching the muscles of the head and neck can reduce the occurrence of muscle tension headaches. (13 Jan 1998) |
| fibrositic headache | Headache centreed in the occipital region due to fibrositis of the occipital muscles; tender areas are present and, commonly, tender nodules are found in the scalp in the lower occipital region. (05 Mar 2000) |
| water dog | 1. <zoology> A dog accustomed to the water, or trained to retrieve waterfowl. Retrievers, waters spaniels, and Newfoundland dogs are so trained. 2. <zoology> The menobranchus. 3. A small floating cloud, supposed to indicate rain. 4. A sailor, especially. An old sailor; an old salt. Source: Websters Dictionary (01 Mar 1998) |
| scotty dog | <radiology> Seen on oblique views of lumbar spine, EYE pedicle, NOSE transverse process, EAR superior articular facet, NECK pars interarticularis, FOOT inferior articular facet (12 Dec 1998) |
| sea dog | 1. <zoology> The dogfish. The common seal. 2. An old sailor; a salt. Source: Websters Dictionary (01 Mar 1998) |
| hound-dog facies | The facial appearance in cutis laxa, with loose facial skin hanging in folds. (05 Mar 2000) |
| skittle-dog | <zoology> The piked dogfish. Source: Websters Dictionary (01 Mar 1998) |
| spitz dog | <zoology> A breed of dogs having erect ears and long silky hair, usually white. Synonym: Pomeranian dog, and louploup. Origin: G. Spitz, spitzhund. Source: Websters Dictionary (01 Mar 1998) |
| dog | 1. <zoology> A quadruped of the genus Canis, especially. The domestic dog (C. Familiaris). The dog is distinguished above all others of the inferior animals for intelligence, docility, and attachment to man. There are numerous carefully bred varieties, as the beagle, bloodhound, bulldog, coachdog, collie, Danish dog, foxhound, greyhound, mastiff, pointer, poodle, St. Bernard, setter, spaniel, spitz dog, terrier, etc. There are also many mixed breeds, and partially domesticated varieties, as well as wild dogs, like the dingo and dhole. (See these names in the Vocabulary) 2. A mean, worthless fellow; a wretch. "What is thy servant, which is but a dog, that he should do this great thing?" (2 Kings viii. 13 (Rev. Ver)) 3. A fellow; used humorously or contemptuously; as, a sly dog; a lazy dog. 4. <astronomy> One of the two constellations, Canis Major and Canis Minor, or the Greater Dog and the Lesser Dog. Canis Major contains the Dog Star (Sirius). 5. An iron for holding wood in a fireplace; a firedog; an andiron. 6. <mechanics> A grappling iron, with a claw or claws, for fastening into wood or other heavy articles, for the purpose of raising or moving them. An iron with fangs fastening a log in a saw pit, or on the carriage of a sawmill. 7. A piece in machinery acting as a catch or clutch; especially, the carrier of a lathe, also, an adjustable stop to change motion, as in a machine tool. 8. To hunt or track like a hound; to follow insidiously or indefatigably; to chase with a dog or dogs; to worry, as if by dogs; to hound with importunity. "I have been pursued, dogged, and waylaid." (Pope) "Your sins will dog you, pursue you." (Burroughs) "Eager ill-bred petitioners, who do not so properly supplicate as hunt the person whom they address to, dogging him from place to place, till they even extort an answer to their rude requests." (South) Dog is used adjectively or in composition, commonly in the sense of relating to, or characteristic of, a dog. It is also used to denote a male; as, dog fox or g-fox, a male fox; dog otter or dog-otter, dog wolf, etc.; also to denote a thing of cheap or mean quality; as, dog Latin. A dead dog, a thing of no use or value. A dog in the manger, an ugly-natured person who prevents others from enjoying what would be an advantage to them but is none to him. <zoology> Dog ape, a male ape. <botany> Dog cabbage, or Dog's cabbage, any species of univalve shells of the family Nassidae, especially. The Nassa reticulata of England. To give, or throw, to the dogs, to throw away as useless. "Throw physic to the dogs; I'll none of it." . To go to the dogs, to go to ruin; to be ruined. Origin: AS. Docga; akin to D. Dog mastiff, Dan. Dogge, Sw. Dogg. Source: Websters Dictionary (01 Mar 1998) |