A Dense Laminar Structure Found in Conjunction with Cell Membranes in the Anterior Pituitary Gland

RECENTLY it has been shown that the cell membrane in many different types of tissue cells is a triple-layered structure ∼ 75 A. across and consisting of two dense layers ∼ 20 A. wide separated by a somewhat wider less-dense space. Robertson1 has suggested that this 75-A. unit represents one bimolecular leaflet of lipid the polar surfaces of which may be… CONTINUE READING