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What is small central disc herniation indenting the ventral margin of the the the thecal sac?
A broad herniation means that at least 25% of the disc is affected. A central herniation means that the herniation is toward the spinal column. A broad central herniation of the disc with impingement on the thecal sac is a herniation in which a large portion of the disc is protruding toward the spinal column and is pressing against the membrane which surrounds the spinal cord.
What is herniation of the spinal cord?
sciatica
Herniation of the spinal cord covering through an opening in the spinal column?
meningocele
Which cavity contains the spinal and cranial cavities?
The cranial cavity contains the brain, pineal and hypophysis cerebri, parts of the cranial and spinal nerves, blood vessels, meninges and cerebrospinal fluid.
What contains the cranial nerve and spinal nerve?
Spinal Accessory Nerve
What is the section that demonstrates the continuity between the spinal and cranial cavities?
A midsaggital plane will show the continuity between the spinal and cranial cavities.
The system is formed by spinal and cranial nerves?
somatic
How does herniation of the brainstem occur?
Death or permanent debilitation follows herniation of the brain stem.Such herniation will cause compression of those structures within the brain stem that control the most vital functions of the body (breathing, heart beat, consciousness).
Cavity that protects brain and spinal cord?
The cranial and spinal cavities protect the brain and spinal cord.
Name the 2 subdivisions of the dorsal cavity what structures does each contain?
cranial which contains the brain and spinal which contains the nerves of the spinal cord.
What cranial nerve is also known as the accessory nerve?
The accessory nerve is also known as cranial nerve XI. It is primarily responsible for innervating the sternocleidomastoid and trapezius muscles, facilitating shoulder elevation and head rotation. The nerve has both cranial and spinal components, with its cranial part originating from the brainstem and the spinal part arising from the upper cervical spinal cord.
Is true Both spinal and cranial nerves have dorsal and ventral roots?
Dorsal and ventral roots are a feature of spinal nerves only. Cranial nerves do not have dorsal and ventral roots.
