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What is Lower lip blood supply: and explain in detail?
Ans. B Labial nasal arteryRef: Gray's Anatomy 41st ed. P 498* External carotid artery gives rise to facial artery branch, which has several branches over face.* Superior labial-supplies to upper lip and antero-inferior part of nasal septum.* Inferior labial-supplies to lower lip.* Lateral nasal-to the ala and dorsum of nose.* Angular-supplies the lacrimal sac and orbicularis oculi.