papill'a

[L. a nipple.J i. The nipple of the breast; mamilla. 2. small nipple-like proce , p. acus'tic a, the organ of Corti, organon spirale [BNA]. p. circumvalla'ta, p. vallata [BNA]. p. clava'ta, p. fungiform is. p. con'ica [BNA], one of numerous projections on the dorsum of the dentine papilla, a projection of the connective ti ue of the jaw into the cup of the enamel organ, later forming the dentine (subs tanti a* eburnea) of the tooth, p. duode'ni [BNA], (i) bile papilla, Vater's papilla, Sant or in i's p. or caruncula major; a projection from the inner wall of the duodenjim in which is the common orifice of the bile and pancreatic ducts; (2) some anatomists apply the term, p. duodeni or Vater's p. to the elevat on marking the orifice of the acce ory pancreatic duct, the bile papilla being called diverticulum duodeni or Vater's diverticulum, p. filia'ria, p. duodeni(i). p. filifor'mis [BNA], one of numerous elongated conical projections on the dorsum of the tongue, especially at the sides and tip. p. folia'ta [BNA], one of numerous projections arranged in several transverse folds upon the lateral margins of the tongue just in front of the anterior pillars of the fauces; they are rudimentary in man. p. fungi for'mis [BNA], one of numerous minute elevations on the tip and sides of the tongue, of a fancied mushroom shape, the tip being broader than the base. p. fusifor'mis, one of the minute papilla on the anterior portion of the dorsum of the tongue, p. incisi'va [BNA], p. pal at in a, a slight elevation at the anterior extremity of the raphe of the palate, p. lacrima'Us [BNA], lacrymal papilla, a slight projection from the margin of each eyelid near the medial commi ure, in the center of which is the punctum lacrimale or opening of the lacrymal duct. p. lenticula'ris [BNA], one of the projections on the dorsum of the tongue, similar to, but le elevated than, the fungiform papilla, p. lingua'lis [BNA], one of numerous variously shaped projections of the corium of the mucous membrane of the dorsum of the tongue, p. the. breast, nipple, mamilla, -a. wart-like projection at the apex of the mamma, on the surface of which the lactiferous ducts open; it is surrounded by a circular pigmented area, the areola, p. ner'vi op'tic i optic nerve, optic disc, blind spot, a white spot in the retina to the nasal side of the macula lutea, the point of entrance of the optic nerve, p. palati'na, p. incisiva [BNA]. p. Pi'« [BNA], hair papilla, a knob-Kke indentation of the bottom ot the hair follicle, like a cap; it is derived from the corium and contains vascular loops for the nourishment of the