Tongue surface. False-colour scanning electron micrograph of a fungiform papilla. Fungiform papillae are covered by layers of stratified squamous epithelium. Dead cells are constantly shed (some are visible at bottom centre) and replaced by cells of the underlying layers. Taste buds (not visible here), the sensory organs of taste, are usually found under the surface of fungiform papillae. Fungiform papillae usually have a strong red colouration due to the numerous blood vessels in the underlying connective tissue. Magnification: x350 when printed 10cm wide.