spinal cord Flashcards
cervical enlargement
The cervical enlargement corresponds with the attachments of the large nerves which supply the upper limbs. It extends from about the fifth cervical to the first thoracic vertebra
dura and arachnoid mater
The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord
lumbar enlargement
widened area of the spinal cord that gives attachment to the nerves which supply the lower limbs
foramen magnum of the occipital lobe
At the base of skull in the occipital bone, there is a large oval opening called the foramen magnum, which allows the passage of the spinal cord
conus medullaris
conus medullaris is the bundled, tapered end of the spinal cord nerves above cauda equina
cauda equina
bundle of spinal nerves and spinal nerve rootlets below conus medullaris
filum terminale
delicate strand of fibrous tissue, about 20 cm in length, proceeding downward from the apex of the conus medullaris. It is one of the modifications of pia mater.