ANAT 025 Lecture Notes - Lecture 10: Vagus Nerve, Cranial Nerves, Moe Williams
Document Summary
Human anatomy cranial nerves know which nerves are sensory & which ones are motor. 3,4,6 all involved in eye movement, motor. Trigeminal important in sensations from upper jaw, lower jaw, forehead area & eye. [sensitive to touch, pain, & heat: operates masseter muscles. Vestibulocochlear serves inner ear, refers to balance totally sensory cranial nerve. Glossopharyngeal mixed nerve touch & taste to posterior 1/3 tongue muscles that allow you to swallow. Vagus mixed nerve goes all the way down the abdominal trunk, almost all the way to the inferior of the trunk; cannot control bladder or reproductive; most pharyngeal muscles; laryngeal muscles. Why do you also have cranial nerves going to the same place as other nerves: when you can"t move the organs don"t survive but the vagus nerve kept him alive (8:14) Fig 15. 12 understand what the map is telling you: where brain is receiving info; what part of frontal lobe dedicated to part of body.
