papilla

Examples of papilla in the following topics:

• Blood Supply to the Epidermis

  • This is named for its fingerlike projections called papillae, that extend toward the epidermis and contain terminal networks of blood capillaries.

• Taste and Smell at Birth and in Old Age

  • Taste buds contain the receptors for taste and are located around the small structures (papillae) on the upper surface of the tongue, soft palate, upper esophagus, and epiglottis.
  • These papillae are involved in detecting the five known elements of taste perception: salty, sour, bitter, sweet, and umami.

• Hair

  • It is supplied with nutrients via blood by a structure called the hair papilla. 

• Tissues and Aging

  • The number of fungiform papillae of the tongue decline by 50% by the age of 50.

• Structure of the Skin: Dermis

  • The uneven projections found in this layer, called dermal papillae, also form people's fingerprints and give this layer its name.