Question

indentations similar to horizontal corrugations that run across the nail. growth at area under cuticle is interrupted by major injury or severe illnessthat has traumatized body for an extended period of time. such as diebetes or pneumonia. nail returns to normal after trauma. make client aware, continue with service as usual.

Answer 1

The appearance of horizontal corrugations across the nail can indicate interrupted growth at the nail matrix due to severe illness or injury. The nail structure is complex, including the nail body, nail cuticle, and nail fold, which all play roles in protection and growth. Recovery of the nail's normal appearance typically follows after the period of illness or trauma.

Step-by-step explanation:

The question describes the appearance of horizontal corrugations across the nail, which could be associated with major injury or severe illness. These indentations indicate that the nail growth at the area under the cuticle, known as the nail matrix, has been interrupted.

The nail matrix is a deep layer of epidermal tissue at the proximal end of a nail where nail growth occurs, and it consists of stem cells that divide and create new cells, allowing the nail to grow. A traumatic event such as a severe illness can temporarily disrupt this process, leading to the observed changes in the nail's appearance.

The nail body, forming the main keratinous plate, along with the nail cuticle (or eponychium) and the nail fold, are essential parts of the nail structure, providing protection and support for the nail's growth. After the trauma, the nail typically returns to normal as the matrix heals and resumes its function.