Papilla (Latin, '

nipple The nipple is a raised region of tissue on the surface of the breast from which, in lactating females, breast milk, milk from the mammary gland leaves the body through the lactiferous ducts to Breastfeeding, nurse an infant. The milk can flow th ...

') or papillae may refer to:

In animals

Papilla (fish anatomy) The papilla, in certain kinds of fish, particularly rays, sharks, and catfish, are small lumps of dermal tissue found in the mouth, where they are "distributed uniformly on the tongue, palate, and pharynx".B. G. Kapoor, H. E. Evans, E. A. Pevzner ...

, in the mouth of fish * Papilla (worms), small bumps on the surface of certain worms * Basilar papilla, a sensory organ of lizards, amphibians and fish *

Dental papilla In embryology and prenatal development, the dental papilla is a condensation of ectomesenchymal cells called odontoblasts, seen in histologic sections of a developing tooth. It lies below a cellular aggregation known as the enamel organ. The ...

, in a developing tooth *

Dermal papillae The dermis or corium is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain. It is divided ...

, part of the skin structure *

Major duodenal papilla The major duodenal papilla (papilla of Vater) is a rounded projection in the duodenum into which the common bile duct and pancreatic duct drain. The major duodenal papilla is, in most people, the primary mechanism for the secretion of bile and ot ...

, in the duodenum *

Minor duodenal papilla The minor duodenal papilla is the opening of the accessory pancreatic duct into the descending second section of the duodenum. Structure The minor duodenal papilla is contained within the second part of the duodenum. It is situated 2 cm prox ...

, in the duodenum *

Genital papilla The genital papilla is an anatomical feature of the external genitalia of some animals. In mammals In mammals, the genital papilla is a part of the vulva not present in humans, which appears as a small, fleshy flab of tissue. The papilla covers the ...

, a feature of the external genitalia of some animals *

Mammary papilla The nipple is a raised region of tissue on the surface of the breast from which, in lactating females, milk from the mammary gland leaves the body through the lactiferous ducts to nurse an infant. The milk can flow through the nipple passively, ...

or nipple, a raised region of tissue on the surface of the breast *

Interdental papilla The interdental papilla, also known as the interdental gingiva, is the part of the gums (gingiva) that exists coronal to the free gingival margin on the mesial and distal surfaces of the teeth. The interdental papillae fill in the area betw ...

, part of the gums *

Lacrimal papilla The lacrimal papilla is the small rise in the bottom (inferior) and top (superior) eyelid just before it ends at the corner of the eye closest to the nose. At the medial edge of it is the lacrimal punctum, a small hole that lets tears drain into th ...

, on the bottom eyelid *

Lingual papillae Lingual papillae (: papilla, ) are small structures on the upper surface of the tongue that give it its characteristic rough texture. The four types of papillae on the human tongue have different structures and are accordingly classified as circum ...

, small structures on the upper surface of the tongue *

Renal papilla In humans, the kidneys are two reddish-brown bean-shaped blood-filtering organs that are a multilobar, multipapillary form of mammalian kidneys, usually without signs of external lobulation. They are located on the left and right in the retr ...

, part of the kidney *

Tumor papilla A papillary tumor is a tumor shaped like a small mushroom, with its stem attached to the epithelial Epithelium or epithelial tissue is a thin, continuous, protective layer of cells with little extracellular matrix. An example is the epider ...

, consisting of tumor cells surrounding a fibrovascular core

In plants and fungi

Papilla (mycology) '' Cantharellula umbonata'' has an umbo. The cap of '' papillate.html" ;"title="Psilocybe makarorae'' is acutely papillate">Psilocybe makarorae'' is acutely papillate. An umbo is a raised area in the center of a mushroom cap. pileus (mycology), ...

, a nipple-shaped protrusion in the center of the cap * Stigmatic papilla, part of the

stigma (botany) The stigma (: stigmas or stigmata) is the receptive tip of a Gynoecium#Carpels, carpel, or of several fused carpels, in the gynoecium of a flower. Description The stigma, together with the Style (botany), style and ovary (botany), ovary (typ ...

In animals

In plants and fungi

See also