SUPERPAPILLARY LAYER Meaning and
Definition
-
The superpapillary layer is a term used in dermatology to describe a specific layer of the skin located between the papillary and reticular dermis. This layer is found in the dermal-epidermal junction, which acts as a structural support for the epidermis and is responsible for various important skin functions.
The superpapillary layer is characterized by the presence of numerous finger-like projections called dermal papillae that extend upwards towards the epidermis. These papillae create a unique pattern on the skin surface known as fingerprints. The layer is rich in blood vessels and capillaries, which play a crucial role in regulating skin temperature and nourishing the surrounding tissues.
The superpapillary layer also contains important components such as collagen, elastin, and fibroblasts, which provide structural support and elasticity to the skin. These components help maintain the integrity of the skin and contribute to its strength and flexibility.
Furthermore, the superpapillary layer is responsible for the exchange of nutrients, oxygen, and waste products between the dermis and epidermis. It facilitates communication and interaction between these two layers, allowing for various vital skin functions like wound healing, immune response, and sensory perception.
Understanding the superpapillary layer is essential in dermatology as it helps explain the physiological and pathophysiological changes that occur in the skin. By studying this layer, dermatologists can better diagnose and treat various skin conditions, promote healthy skin maintenance, and develop effective skincare regimens.
-
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SUPERPAPILLARY LAYER
Etymology of SUPERPAPILLARY LAYER
The word "superpapillary" is a combination of two elements: "super-" and "papillary".
1. "Super-" is a prefix derived from the Latin word "super", meaning "above" or "over". In English, it is often used to indicate superiority or excessiveness.
2. "Papillary" is an adjective form of the noun "papilla", which comes from the Latin word "papilla" meaning "nipple". In anatomy, a papilla refers to a small, rounded projection or protuberance, often with a nipple-like shape.
Therefore, the term "superpapillary" refers to something that is located above or over the papillary structure or is in a position of superiority or excessiveness in relation to it.
