The Spinal Cord Yu-Qiang Ding,MD,Ph.D Department of anatomy and neurobiology E-mail:dingyuqiang@vip.163.com
The Spinal Cord Yu-Qiang Ding, MD, Ph.D Department of anatomy and neurobiology E-mail: dingyuqiang@vip.163.com
Contents 1.The location and external structures of the spinal cord 2.The internal structures of the spinal cord 口 gray matter ▣white matter 3.The functions of the spinal cord
Contents : 1. The location and external structures of the spinal cord 2. The internal structures of the spinal cord gray matter white matter 3. The functions of the spinal cord
Ventral view
Ventral view
Location and external structures Verebre Cas ▣ Located in vertebral Nerf spinal Ct、 Ver的reC口ax canal,occupies the upper 2/3 of the canal ertebre T12 Extends from the medulla at the level of foramen magnum to the inferior Ned spinal LI margin of L1 in adults (L3 Nerf spinal L5- Nerf femoral in new-borns) Flum terminal ineme (pare piale) Norf spina5
Located in vertebral canal, occupies the upper 2/3 of the canal Extends from the medulla at the level of foramen magnum to the inferior margin of L1 in adults (L3 in new- borns) Location and external structures
Why is the spinal cord shorter than the vertebral column? Different growth rates of spinal cord and vertebrae during embryonic development. At birth L3 In adult L1 Clinical Note: Place of taking cerebrospinal fluid
Why is the spinal cord shorter than the vertebral column? Different growth rates of spinal cord and vertebrae during embryonic development. At birth = L3 In adult = L1 Clinical Note: Place of taking cerebrospinal fluid