You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Taste sensation from anterior part of tongue is mediated by: and explain in detail?
Ans: b (7th CN) Ref: Ganong, 22nd ed, p. 189Taste sensation from anterior 2/3 is by chorda tympani which is a branch of facial nerve.Taste sensation:Anterior 2/3 -- Chorda tympaniPosterior 1/3 + Circumvallate papillae -- GlossopharyngeaPosterior most part VagusPalate -- FacialGeneral sensation of tongue:Anterior 2/3 -- Lingual (5th CN)Posterior 1/3 -- GlossopharyngealNucleus tractus solitarius:Fibres of 7, 9 & 10 associated with taste sensation ends in this nucleus which is present in medulla.