part_of adult salivay gand type I acinus adult salivary gland type I central cell Central lamellate cell Fig. 8-5, in Biology of Ticks ISBN:0-19-505910-7. Large cell in the center of the acini in direct contact with the main salivary duct. The membrane is folded into a labyrinthine network with the lamellae oriented from the apex to the periphery of the cells. This profusion of densely packed lamellae almost all oriented in the same direction gives the acinus its characteristic foliate or striate appearance when viewed with the light microscope. TADS:0000132 TADS:0000132 default_namespace cell