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.
1. (Anatomy) Also called: dendron any of the short branched threadlike extensions of a nerve cell, which conduct impulses towards the cell body. 2. (Minerals) a branching mosslike crystalline structure in some rocks and minerals. 3. (Minerals) a crystal that has branched during growth and has a treelike form.