Transcription of Spinal Cord – Gross Anatomy
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Spinal Cord – Gross Anatomy
Spinal cord Gross Anatomy Location Enclosed within the vertebral column Extends from the foramen magnum to the upper border of L2 Protection Vertebrae Meninges o Duramater Epidural space contains adipose tissue and blood vessels o Arachnoid matter Subarachnoid space contains CSF o Pia mater Delicate and closely associated with the Spinal cord surface Spinal cord Gross Anatomy Structure Long and cylindrical 42cm in length and thick Has two enlarged portions o Cervical enlargement (C4 and T1) Receives sensory input from the upper limbs Sends motor output to the upper limbs o Lumbar enlargement (T9 and T12) Receives sensory input from the lower limbs Sends motor output to the lower limbs Ends in a cone-shaped structure called the conus medullaris from where a fibrous extension of the pia, filum terminale, mater extends inferiorly to anchor the cord to the coccyx Lumbar and sacral Spinal nerves project downward and extend inferiorly before exiting through the intervertebral foramina Below the SC these nerves are called cauda equina SC is divided
Spinal Cord – Gross Anatomy . Location • Enclosed within the vertebral column • Extends from the foramen magnum to the upper border of L2
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