Zur Histochemie des neurovegetativen Systems der Haut

Osmium Zinc Iodide Reactive Sites in the Epidermal Langerhans Cell

“…The Langerhans cell was first described in human epidermis by Langerhans in 1868 (11) as a "starshaped" dendritic cell in a suprabasal position which stained deeply after gold impregnation . Since the original description, a variety of studies have been conducted at both the light and electron microscopic levels to determine the origin and function of the Langerhans cell (1,3,4,10,(15)(16)(17)(21)(22)(23)(24)(25)(26)(27) . Of particular interest has been an intracellular organelle, the Langerhans cell granule (LCG), which has been described as characteristically rod-shaped or racquet-shaped (25) .…”

The Involvement of Mast Cells in Vasodilatation Due to Axon Reflexes in Injured Skin

“…The Although mast cells occur in peripheral nerves [Olsson, 1968] and, in some mammals, in the central nervous system [Campbell and Kiernan, 1966; Kruger, 1970], no report has been found in the literature indicating whether these cells are subject to any form of nervous control. Electron microscopic studies in the central nervous system [Flood and Kruger, 1970 Wiedmann, 1958;Stach, 1961].Since mast cells contain histamine and other vasoactive substances [see Selye, 1965], and since both sensory and sympathetic nerves are concerned with vasomotor control in the skin, the following investigation was undertaken. The area of skin studied, that of the external ear, was chesen because, in the rat, most of the skin of the auricle is supplied by a single, easily accessible, nerve trunk [Greene, 1935].…”

“…The Although mast cells occur in peripheral nerves [Olsson, 1968] and, in some mammals, in the central nervous system [Campbell and Kiernan, 1966; Kruger, 1970], no report has been found in the literature indicating whether these cells are subject to any form of nervous control. Electron microscopic studies in the central nervous system [Flood and Kruger, 1970 Wiedmann, 1958;Stach, 1961].…”