(PAHPILL lee): When referring to the dermis, the projections which extend upward from the dermis to the epidermis and help anchor the dermis and epidermis together.

small finger-like sensory projections associated with the outer margins of the apertures, and in some species, associated with the outer margins of the mantle.

rounded nipple-like projections covering the coenosteum; found in Montipora

Mosaic-like elevations generally found on the upper palpebral conjunctiva; may be present in conjunctivitis.

a collection of lymphocytes and plasma cells, usually greater than 1 millimeter in diameter; resemble cobblestones; present in large numbers on the superior conjunctival tarsal plate in giant papillary allergic conjunctivitis

Small sticking-out bits. If on cells a microscope is needed to see them. Papilla

Papille Papillen, pl. Papilas Protuberances that appear from the petals as in various species of Lilium. Thought to be an aid for insects (needed for pollination)to land on.