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.
Functions of leaves. The function of a leaf is photosynthesis â to absorb light and carbon dioxide to produce carbohydrates. The equation for photosynthesis is: Carbon dioxide and water â glucose and oxygen. Did you know: 1  Leaves are the source of all of food on the planet.2  Leaves recycle all of the world's carbon dioxide in the air.unctions of leaves. The function of a leaf is photosynthesis â to absorb light and carbon dioxide to produce carbohydrates. The equation for photosynthesis is: Carbon dioxide and water â glucose and oxygen. Did you know: 1  Leaves are the source of all of food on the planet.