PPT-The Spinal Cord and Spinal Nerves

Spinal Cord Location Begins at the foramen magnum Ends as conus medullaris at L 1 vertebra Functions Provides twoway communication to and from the brain Contains spinal reflex centers Figure 1230. Dr. Cory Kingston. “The Nervous System Controls and Coordinates all the Systems of the Body and Relates the Individual to Their Environment”. Gray’s Anatomy, 24. th. Edition, pp.4. The Question that we should all be asking is…. SLO: . 1.2 describe . the organization of the nervous system according to structure, including:. 1.2.1 naming and locating basic components of the central nervous system, including grey and white matter. Objectives. At the conclusion of this presentation the participant will be able . to:. Identify the components of the spine. Assess for spine and spinal cord injury. Discuss the initial management of the spinal cord injured patient. Spinal Cord Anatomy. Extends from the foramen magnum of the skull to the first or second lumbar vertebra. Provides a two-way conduction pathway from the brain to and from the brain. 31 pairs of spinal nerves arise from the spinal cord. 31 pairs arise from spinal cord. Five groups correspond to regions of spinal cord and vertebrae. Cervical 8 pr.. Thoracic 12 pr.. Lumbar 5 pr.. Sacral 5 pr.. Coccygeal 1 pr.. Structure of a Nerve. ReferencesAdvanced Trauma Life Support for Doctors ATLS Student Course Manual 8thed 2008 Chicago IL American College of Surgeons Ahn H Singh J Nathens A MacDonald RD Travers A Tallon J Fehlings MG and ve. . Cervical Spinal cord:. . Cervical spinal nerve originates.. Thoracic Spinal Cord:. Thoracic spinal nerve originates. Lumbar Spinal cord: . Lumbar spinal nerve originates.. Sacral Spinal cord: . Introduction :. 2 General Classifications. Complete Lesion . A lesion to the spinal cord where there is no preserved motor or sensory function below the level of lesion. Incomplete Lesion. A lesion to the spinal cord with incomplete damage to the cord. There may be scattered motor function, sensory function or both below the level of lesion. Day 7. 31 Pairs. Mixed nerves that provide 2-way communication between spinal cord and limbs, neck, and trunk. Named individually, grouped according to level which they arise.. Spinal Nerves. Cervical Nerves. terminalae. which attached to sacrococcygeal region after passing through the sacral hiatus. Below L1, the bundle of nerve fibers is represented by the roots of the spinal nerves of the lower lumbers, sacral and coccygeal nerves. These nerve roots with film . HONORS ANATOMY & PHYSIOLOGY. Spinal Cord. w/spinal nerves contain neural circuits that mediate some of your most rapid reactions to environmental changes. Protective Structures. 2 types of CT coverings surround & protect delicate nervous tissue. 2.5. Double Award. Unit 4.5. Why do animals have a Nervous System?. Animals need to be aware of changes in their surroundings.. Light. Sound. Touch. Temperature. Chemicals. Examples of stimuli are:. They need to respond to a . January2015 SCI Fact Sheet This fact sheet is intended to be a starting point for understanding the normal functions of the spinal cord and how those functions might change after spinal cord injury (S 1 BIOL 2210L Unit 11 : Authors: Terri Koontz and Anna Gilletly, CNM Biology Department Creative Commons Attribution - NonCommercial 4.0 International License Terms to Know for Unit 1 1 Cranial Ner