papilla

• Petite éminence ou protubérance en forme de mamelon présente sur diverses parties des plantes et des animaux, par exemple sur les pétales, les feuilles ou dans des organes sensoriels comme la langue.

A small, nipple-like projection or protuberance found on various parts of plants and animals, such as on petals, leaves, or in sensory organs like the tongue.

1. Botanical outgrowthC1formalscientific

   A small, nipple-like projection on the surface of a plant part, such as a petal or leaf.

   Papille végétale

   • The petal's surface is covered in tiny papillae that give it a velvety texture.
   • Botanists study the papillae on leaves to understand plant adaptation.
   • The papillae on the orchid's lip help attract pollinators.

   Synonymesexcrescenceoutgrowthprocessprojectionprotuberancetubercle

2. Sensory organC1formalscientific

   A small, nipple-shaped structure on the tongue or skin that is involved in the senses of taste, touch, or smell.

   Papille sensorielle

   • Taste buds are located within the papillae on the tongue.
   • The dermal papillae in the skin contain nerve endings for touch.
   • Olfactory papillae in the nose detect airborne chemicals.

3. Anatomical projectionC1formalscientific

   A small projection of tissue found at the base of a hair, tooth, or feather.

   Papille (anatomie)

   • The hair papilla supplies blood to the growing hair follicle.
   • Dental papillae form the dentin of a developing tooth.
   • Feather papillae are visible on a bird's skin before the feather emerges.

   Synonymesmammillanippleprocessprojectionprotuberancetubercle