A&P Laboratory 8: Spinal Cord & Nerves Terms List

Dendrites

Cell Body (Soma)

Axon Hillock

Axon

Myelin sheath (Schwann cell)

Node of Ranvier

Axon terminal

Spinal Cord

Meninges

Conus medullaris

Cauda equina

Filum terminale

Dorsal root

Dorsal root ganglion

Ventral root

Spinal Cord Cross Section

Posterior Median Sulcus

Anterior Median Fissure

Central Canal

White Matter

Anterior White Column

Posterior White Column

Lateral White Column

Gray Matter

Gray Commissure

Anterior Gray Horn

Posterior Gray Horn

Lateral Gray Horn

Dorsal root

Dorsal root ganglion

Ventral root

Meninges

Epidural Space

Dura Mater

Arachnoid Mater

Subarachnoid space

Pia Mater

Spinal Nerves

8 Cervical spinal nerves (CSN 1-8)

12 Thoracic spinal nerves (TSN 1-12)

5 Lumbar spinal nerves (LSN 1-5)

5 Sacral spinal nerves (SSN 1-5)

Plexuses & Peripheral Nerves

Cervical Plexus

Phrenic Nerve

Brachial Plexus

Lateral Cord

Musculocutaneous Nerve

Median Nerve (½)

Medial Cord

Median Nerve (½)

Ulnar Nerve

Posterior cord

Axillary Nerve

Radial Nerve

Lumbosacral Plexus

Femoral Nerve

Obturator Nerve

Gluteal Nerve

Sciatic Nerve

Tibial Nerve

Common Fibular Nerve