Junctional nevus
Encyclopedia
A junctional nevus is a mole
found in the junction (border
) between the epidermis and dermis
layers of the skin
. These moles may be pigmented and slightly raised, and have a higher risk of developing into malignant melanoma.
Melanocytic nevus
A melanocytic nevus is a type of lesion that contains nevus cells .Some sources equate the term mole with "melanocytic nevus". Other sources reserve the term "mole" for other purposes....
found in the junction (border
Border
Borders define geographic boundaries of political entities or legal jurisdictions, such as governments, sovereign states, federated states and other subnational entities. Some borders—such as a state's internal administrative borders, or inter-state borders within the Schengen Area—are open and...
) between the epidermis and dermis
Dermis
The dermis is a layer of skin between the epidermis and subcutaneous tissues, and is composed of two layers, the papillary and reticular dermis...
layers of the skin
Skin
-Dermis:The dermis is the layer of skin beneath the epidermis that consists of connective tissue and cushions the body from stress and strain. The dermis is tightly connected to the epidermis by a basement membrane. It also harbors many Mechanoreceptors that provide the sense of touch and heat...
. These moles may be pigmented and slightly raised, and have a higher risk of developing into malignant melanoma.
External links
- Junctional nevus entry in the public domain NCI Dictionary of Cancer Terms