1 / 8

Ch. 24 Spine

Nerves. Ch. 24 Spine. Nervous System. Central nervous system Brain Spinal Cord Peripheral nervous system All other nerves . Nerve. Afferent or sensory nerve: carries impulses from sense organs to the brain Efferent or motor nerve: carries impulses from brain to muscles

jerzy
Download Presentation

Ch. 24 Spine

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Nerves Ch. 24 Spine

  2. Nervous System • Central nervous system • Brain • Spinal Cord • Peripheral nervous system • All other nerves

  3. Nerve • Afferent or sensory nerve: carries impulses from sense organs to the brain • Efferent or motor nerve: carries impulses from brain to muscles • If it does both, it is called a mixed nerve

  4. Cranial Nerves • I: Olfactory-Smell • II: Optic-Vision, eyesight • III: Oculomotor-movement of eye muscle • IV: Trochlear-Movement of eye muscle

  5. Cranial Nerves • V: Trigeminal-Face and teeth muscles, chewing • VI: Abducens-Movement of eye muscle • VII: Facial-Facial expressions, taste • VIII: Vestibulocochlear-Hearing and balance

  6. Cranial Nerves • IX: Glossopharyngeal-Movement of throat muscle, taste • X: Vagus-Movement of throat; heart/digestive system • XI: Accessory-Movement of neck muscles • XII: Hypoglossal-Movement of tongue muscles

  7. Reflexes • Simplest nerve response • Reflex is unconscious and involuntary • Caused by a stimulus • Sound • Light • Heat • Odor

  8. Deep Tendon Reflexes • Biceps • Triceps • Brachioradiolis • Patella Tendon • Achilles Tendon

More Related