WebMay 17, 2024 · Motor axons connect to skeletal muscles of the head or neck. Three of the nerves are solely composed of sensory fibers; five are strictly motor; and the remaining … WebDec 4, 2024 · Figure 42.5. 3: The human brain contains 12 cranial nerves that receive sensory input and control motor output for the head and neck. Spinal nerves transmit sensory and motor information between the spinal cord and the rest of the body. Each of the 31 spinal nerves (in humans) contains both sensory and motor axons.
12.5A: Brief Overview of Cranial Nerves - Medicine LibreTexts
WebThe peripheral nervous system is composed of peripheral nerves and ganglia that establish a connection between the central nervous system and the periphery to recruit sensory stimuli and convey motor responses. Functionally, it is comprised of both somatic and visceral fibers of either cranial nerves originating from the brainstem or spinal … WebNerves that directly connect the brain and the brain stem with the eyes, ears, nose, and throat and with various parts of the head, neck, and trunk are called cranial nerves. There are 12 pairs of them (see Overview of the Cranial Nerves ). Cranial nerves transmit sensory information, including touch, vision, taste, smell, and hearing. charlie\u0027s hair shop
The Peripheral Nervous System Biology II
WebJan 17, 2024 · The optic nerve is also known as cranial nerve II. It transmits visual information from the retina to the brain. Each human optic nerve contains between 770,000 and 1.7 million nerve fibers. The eye’s blind spot is a result of the absence of photoreceptors in the area of the retina where the optic nerve leaves the eye. WebThe peripheral nervous system (PNS) is the connection between the central nervous system and the rest of the body. The CNS is like the power plant of the nervous system. It creates the signals that control the functions of the body. The PNS is like the wires that go to individual houses. WebCranial Nerves. I. Part of the peripheral nervous system A. Sensory and motor fibers that innervate the head and viscera B. Originate at the brain or brainstem C. Named in order, … charlie\u0027s hardware mosinee