12.3: MODELS" Spinal Cord, Spinal Columns (Flat), Spinal Cord in Vertebral Column, Blank Brain Picture
Spinal cord anatomy
| Meningeal layers | Dura mater | Epidural space |
| Arachnoid mater | Subarachnoid space | |
| Pia mater | Denticulate ligaments | |
| Conus medullaris | ||
| Cauda equina | Filum terminale | |
| Cervical enlargement | ||
| Lumbar enlargement | ||
| Spinal nerve | Ventral root | |
| Dorsal root | ||
| Dorsal root ganglion | ||
| Ventral Ramus | ||
| Dorsal Ramus | ||
| Spinal cord cross sectional anatomy: | Dorsal horn | |
| Lateral horn | ||
| Ventral horn | ||
| Dorsal column | ||
| Lateral column | ||
| Ventral column | ||
| Gray commissure | ||
| Central canal | ||
| Dorsal median sulcus | ||
| Ventral median fissure |
Cranial nerves
I Olfactory
II Optic
III Occulomotor
IV Trochlear
V Trigeminal
VI Abducens
VII Facial
VIII Acoustic / Vestibulocochlear
IX Glossopharyngeal
X Vagus
XI (spinal) Accessory
XII Hypoglossal
Peripheral Nerves
| Nerve anatomy: | Epineurium | |
| Perineurium | ||
| Endoneurium | ||
| Fascicle | ||
| Cervical Plexus | Phrenic n. | |
| Brachial Plexus | Axillary n. | |
| Radial n. | ||
| Ulnar n. | ||
| Median n. | ||
| Musculocutaneous n. | ||
| Intercostal nerves | ||
| Lumbar plexus | Femoral n. | |
| Sacral plexus | Sciatic n. | |
| Pudendal n. | ||
| Autonomic NS | Sympathetic chain ganglion | |
| Sympathetic chain | ||
| Rami communicantes | ||
| Lateral horn |
Note: remember that dorsal/posterior, and ventral/anterior are interchangeable.
Histology
| Spinal cord & dorsal root ganglia | See cross sectional anatomy | |
| See cross sectional anatomy |