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
Koilonychia can also be caused by medical conditions created by unbalanced diets, problems with absorption, inadequate intake of nutrients, inability to digest nutrients, digestive issues, or anything that is capable of hindering the proper development of nails, nail biting included.
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.