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The nerve supply to the nose and paranasal sinuses comes from two branches of the trigeminal nerve (CN V): the ophthalmic nerve (CN V 1), the maxillary nerve (CN V 2), and branches from these.
The axons of the bipolar neurons form the olfactory nerve (cranial nerve I) which enters the brain through the cribriform plate. Bowman's glands are serous glands in the lamina propria, whose secretions trap and dissolve odoriferous substances.
List of nerves This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
Proximal structures include: the optic canal and optic nerve, internal carotid artery, cavernous sinus, trigeminal nerve, pituitary gland, and the anterior ethmoidal cells.
The (medial and lateral) posterior superior nasal nerves are branches of the maxillary nerve (CN V2): 496 that arise in the pterygopalatine fossa from pterygopalatine ganglion: 369–370 and pass through the sphenopalatine foramen into the nasal cavity: 496 to innervate the nasal septum (the medial nerves), and the posterosuperior portion of ...
The nasal septum is composed of four structures: Maxillary bone (the crest) Perpendicular plate of ethmoid bone. Septal nasal cartilage (ie, quandrangular cartilage) Vomer bone. The lowest part of the septum is a narrow strip of bone that projects from the maxilla and the palatine bones, and is the length of the septum.
The olfactory bulb transmits smell information from the nose to the brain, and is thus necessary for a proper sense of smell. As a neural circuit, the glomerular layer receives direct input from afferent nerves, made up of the axons from approximately ten million olfactory receptor neurons in the olfactory mucosa, a region of the nasal cavity.
The olfactory mucosa is the neuroepithelialial mucosa [1] lining the roof and upper parts of the septum and lateral wall of the nasal cavity [1] [2] which contains bipolar neurons of the primary receptor neurons of the olfactory pathway, as well as supporting cells.
In anatomy, a nasal concha (/ ˈ k ɒ n k ə /; pl.: conchae; / ˈ k ɒ n k iː /; Latin for 'shell'), also called a nasal turbinate or turbinal, is a long, narrow, curled shelf of bone that protrudes into the breathing passage of the nose in humans and various other animals.
The nasalis muscle is a sphincter-like muscle of the nose. It has a transverse part and an alar part. It compresses the nasal cartilages, and can "flare" the nostrils. It can be used to test the facial nerve (VII), which supplies it.