| crottle | Purple-red colouring agent derived from the lichen Ochrolechia tartarea (family Lecanoraceae) and for the colouring principles from Roccellaceae used for colouring liquid pharmaceutical preparations. Synonym: crottle. (05 Mar 2000) |
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| croup | A viral disease, often caused by respiratory syncytial virus (RSV), which results upper respiratory symptoms such as a runny nose and a barky (seal-like) cough. Episodic difficulty in breathing can be quite dramatic in some cases. Attacks of croup are manifest by a loud noise when the individual inhales, known as stridor. In most cases, breathing humidified air (for example steamy bathroom) clears the symptoms of acute croup. Treatment is generally conservative with a vaporizer and fever control. (27 Sep 1997) |
| croup-associated virus | parainfluenza virus type 2 |
| croupous | Relating to croup; marked by a fibrinous exudation. (05 Mar 2000) |
| croupous bronchitis | An obsolete term for fibrinous bronchitis. (05 Mar 2000) |
| croupous laryngitis | Inflammation of the subglottic larynx associated with respiratory infection and croupy or noisy breathing. (05 Mar 2000) |
| croupous lymph | A form of inflammatory lymph with an unusually large content of fibrinogen; as a result of the fibrin that is formed in relatively dense mats, a pseudomembrane is likely to be produced. (05 Mar 2000) |
| croupous membrane | <dermatology> A thick, tough fibrinous exudate on the surface of a mucous membrane or the skin, as seen in diphtheria. Synonym: croupous membrane, neomembrane, plica, pseudomembrane. (05 Mar 2000) |
| croupy | Having the characteristics of croup, as a croupy cough. (05 Mar 2000) |
| crouzon syndrome | <radiology> Craniofacial dysostosis, autosomal dominant, premature closure of sutures, usually coronal most likely to be brachycephaly, all sutures most likely to be Kleeblatschaedel, hypoplasia of facial bones, beaked (parrot) nose (12 Dec 1998) |
| crouzon's disease | <disease> A genetic disorder (autosomal dominant) characterised by abnormalities of the cranial sutures, widening of the skull, a high forehead, ocular hypertelorism, exophthalmos, beaked nose and hypoplasia of the maxilla Inheritance: autosomal dominant. (27 Sep 1997) |
| Crouzon's syndrome | <paediatrics> A genetic disorder (autosomal dominant) characterised by abnormalities of the cranial sutures, widening of the skull, a high forehead, ocular hypertelorism, exophthalmos, beaked nose and hypoplasia of the maxilla Inheritance: autosomal dominant. (27 Sep 1997) |
| Crouzon, Octave | <person> French physician, 1874-1938. See: Crouzon's disease, Crouzon's syndrome. (05 Mar 2000) |
| crowding | <dentistry> An orthodontic problem caused by having too many teeth in two small of a space. (08 Jan 1998) |
| Crowe, Samuel | <person> U.S. Physician, 1883-1955. See: Davis-Crowe mouth gag. (05 Mar 2000) |