Contents of Vertebral Column: Spinal Nerves

What does the brachial plexus innervate?

Upper limbs

Where does C8 exit?

below C7

How many pairs of nerves are in the Coccygeal?

1 pair

How many thoracic nerves are there?

12 pairs

How many pairs of spinal nerves are there?

31 pairs

How many sacral nerves are there?

5 pairs

How many lumbar nerves are there?

5 paris

How many nerves are in the cervical region?

8 pairs

The cervical nerves exit via intervertebral foramina _____ corresponding bony segment, except C8.

Above

Where do the sacral nerves branch into?

Anterior and posterior rami (within sacrum)

Where do the Thoracic nerves exit?

Below corresponding vertebrae

Where do the lumbar nerves exit?

Below corresponding vertebrae

What are the three plexuses?

Brachial, Lumbar, and Lumbosacral

What is the dorsal rootle associated with?

Dorsal root ganglion

What does the Posterior/Dorsal Primary Ramus supply?

Intrinsic back muscles and skin of back

What does the Lumbar and lumbosacral plexuses innervate?

Lower Extremity

Spinal nerves supply limbs via ___ ____.

Nerve Plexuses

What does the spinal nerve split into?

Posterior/Doral Primary Ramus and Anterior/Ventral Primary Ramus

Nerves arise from cord as anterior/ventral (motor) and posterior/dorsal (sensory) _____.

Rootlets

The anterior and posterior rami (within sacrum) pass through the pelvic (anterior) and dorsal (posterior) _____ _____.

Sacral Foramina

Where does the coccygeal nerve exit?

Sacral Hiatus

Rootlets joint together to form ____ ___ which exit spinal canal via intervertebral foramen.

Spinal Nerves

What does the Posterior/Dorsal Primary Ramus supply?

Supplies the rest of the body