Nasal Gland
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Nasal Gland
The nasal gland In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormone A hormone (from the Greek participle , "setting in motion") is any member of a class of signaling molecules in multicellular organisms, ...s are the seromucous glands in the respiratory The respiratory system (also respiratory apparatus, ventilatory system) is a biological system A biological system is a complex network which connects several biologically relevant entities. Biological organization spans several scales and are ... region of the nasal mucous membrane. The three major types of nasal glands are anterior serous glands, seromucous glands, and Bowman glands. Glands Anterior serous glands The anterior nasal glands help moisturize the nasal mucosa. Seromucous glands The seromucous glands are found primarily in the anterior nasal cavity, and they are also found within the nasal cavity. Bowman glands The Bowman glands are serous glands th ...
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Facial Nerve
The facial nerve (the labyrinthine segment) is the seventh cranial nerve Cranial nerves are the nerve A nerve is an enclosed, cable-like bundle of nerve fibers called axon An axon (from Greek ἄξων ''áxōn'', axis), or nerve fiber (or nerve fibre: see American and British English spelling differences#-re, ..., or simply CN VII. It emerges from the pons The pons (Latin for "bridge") is part of the brainstem that in human Humans (''Homo sapiens'') are the most populous and widespread species of primates, characterized by bipedality, opposable thumbs, hairlessness, and intelligence allowing ... of the brainstem The brainstem (or brain stem) is the posterior stalk-like part of the brain that connects the cerebrum with the spinal cord. In the human brain the brainstem is composed of the midbrain, the pons, and the medulla oblongata. The midbrain is contin ..., controls the muscles of facial expression The facial muscles are a group of striated skeletal mu ...
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Nerve Of Pterygoid Canal
The nerve of the pterygoid canal (Vidian nerve) is formed by the junction of the greater petrosal nerve The greater petrosal nerve (or greater superficial petrosal nerve) is a nerve in the skull that branches from the facial nerve; it forms part of a chain of nerves that innervate the lacrimal gland. The preganglionic parasympathetic axons of this ner ... and deep petrosal nerve, which passes from the foramen lacerum to the pterygopalatine fossa through the pterygoid canal. Structure The nerve of the pterygoid canal forms from the junction of the greater petrosal nerve and the deep petrosal nerve within the foreamen lacerum. This combined nerve exits the foramen lacerum and travels to the pterygopalatine fossa through the pterygoid canal in the Sphenoid bone, sphenoid. The nerve of the pterygoid canal contains axons of both sympathetic and parasympathetic axons, specifically; *preganglonic parasympathetic axons from the greater petrosal nerve The greater petrosal nerve (or great ...
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