| cotton-wool patches | <clinical sign, ophthalmology> White, fuzzy areas on the surface of the retina (accumulations of cellular organelles) caused by damage (usually infarction) of the retinal fibre layer. Synonym: cotton-wool spots. (05 Mar 2000) |
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| cotton-wool spots | <clinical sign, ophthalmology> White, fuzzy areas on the surface of the retina (accumulations of cellular organelles) caused by damage (usually infarction) of the retinal fibre layer. Synonym: cotton-wool spots. (05 Mar 2000) |
| Holmgren's wool test | A test for colour blindness, in which the subject matches variously coloured skeins of wool. (05 Mar 2000) |
| hydrous wool fat | The greasy substance obtained from the wool of the sheep Ovis aries (family Bovidae). Used as an emollient base for creams and ointments. Synonym: hydrous wool fat, lanolin, wool wax. Origin: L. Fat of wool (05 Mar 2000) |