corpuscle of de Quatrefage
corpuscle of de quatrefage
"A specialised sensory organ located in the subepidermal connective tissue at the rostral end of late larval and adult amphioxus. They consist of between 1 and 4 nerve cells with axons, each with 2 cilia, surrounded by up to 7 sheath cells. The cilia extend into a protrusion of the basal lamina which surrounds each corpuscle. The axonal process contributes to the rostral nerve."