Discourse markers have variant degrees of semantic meaning; they are utterance-initial; and they can signal a discourse relationship or signal a writerâs or a speakerâs attitude. When we are planning to write a well-organized text, cohesion and coherence must be taken into
Here are some causes of Infected Koilonychia: 1  trauma. 2  illness. 3  malnutrition. or any major metabolic condition,  chemotherapy or other damaging event.
Historical Examples. 1  The commonest form of onychia has already been referred to with whitlow. 2  Back pressure upon the matrix from a short shoe upon a thick unresisting nail, is frequently the cause of onychia. 3  Paronychium-ia: one or more bristle-like appendages of onychia; q. v.