Seborrheic dermatitis (Fig. 1) is a common chronic, superficial inflammatory disease of the scalp, face (especially the eyebrows and nasolabial folds), ears, and central chest, affecting 2% to 5% of the population. Clinically, the disease is characterized by thin erythematous plaques, often with a fine, greasy scale.eborrheic dermatitis (Fig. 1) is a common chronic, superficial inflammatory disease of the scalp, face (especially the eyebrows and nasolabial folds), ears, and central chest, affecting 2% to 5% of the population. Clinically, the disease is characterized by thin erythematous plaques, often with a fine, greasy scale.
the function of dendrons is that the dendron has dendrite on the end which receive impulses from receptor cells or other neurones which are then moved along the dendron to the axon.
-dendron [Greek dendron tree] Denotes a tree, a treelike structure, or stem (Philodendron). -dentate [Latin dens, dentis tooth; tooth-like thing] Having teeth or toothlike parts of the type or number indicated by the stem or prefix (multidentate).-derm [Greek derma skin] Something having or being a skin or surface of the type indicated by the stem or prefix (echinoderm, endoderm).-derma (pl-dermata) [Greek derma skin] One(s) having a skin of the type indicated by the stem or prefix (Echinoderma).-dermia [Greek derma skin] Having a skin disorder of the type indicated by the stem or prefix (keratodermia).dendron [Greek dendron tree] Denotes a tree, a treelike structure, or stem (Philodendron). -dentate [Latin dens, dentis tooth; tooth-like thing] Having teeth or toothlike parts of the type or number indicated by the stem or prefix (multidentate).