NEET PG DENTAL EXAM

Detailed explanation-1: -This specialized epithelium contains the cell bodies of bipolar olfactory neurons from which the olfactory nerve fibers originate and extend apically. In each nostril, human beings have 6 to 10 million olfactory sensory neurons distributed along a surface area of 2.5 cm^2.

Detailed explanation-2: -The olfactory nerve, also known as the first cranial nerve, cranial nerve I, or simply CN I, is a cranial nerve that contains sensory nerve fibers relating to the sense of smell. The afferent nerve fibers of the olfactory receptor neurons transmit nerve impulses about odors to the central nervous system (olfaction).

Detailed explanation-3: -Olfactory nerve (CN I) The olfactory nerve is a solely sensory nerve and conveys the sense of smell. Its receptors are located in the olfactory mucosa under the roof of the nasal cavity.

Detailed explanation-4: -Sensation of the nose comes from the ophthalmic (V1) and maxillary (V2) divisions of the trigeminal nerve. The ophthalmic division has three main branches: the lacrimal, frontal, and nasociliary.