Papilla

The term papilla (plural: papillae) generally means a nipple-like structure, and may refer to:

Mammary papilla, or nipple
Interdental papilla, part of the gingiva between teeth
Dental papilla, cells involved in a developing tooth
Renal papilla, in the kidney
Lacrimal papilla, on the eyelid
Major duodenal papilla, the opening of the pancreatic duct and common bile duct into the duodenum
Minor duodenal papilla, the opening of the accessory pancreatic duct into the duodenum
Hair papilla, at the base of every hair follicle
papillary thyroid cancer, a type of disease
papillary muscle, a muscle in the heart

On the tongue Circumvallate papillae (contains taste buds)
Fungiform papilla (contains taste buds)
Filiform papilla (does not contain taste buds)
Foliate papillae (contains taste buds)

On a fish Genital papilla, a small tube on fish anatomy, through which eggs or sperm are released

See also

Blister
Papule

Translation of "Papilla"

German: Papille, Swedish: Papill.