NERVOUS SYSTEM - Spinal Cord Anatomy Flashcards
Medulla Oblongata
Part of the brainstem.
Conus Medullaris
End of the spinal cord.
Cauda Equina
Spinal nerve roots L1-Co1.
Filum Terminale
Continuation of meninges after conus medullaris.
Cervical Enlargement
Root of cervical & brachial plexuses.
Lumbar Enlargement
Root of lumbar & sacral plexuses.
White Matter
Contains myelinated axons.
Grey Matter
Contains neuron cell bodies.
Dorsal Horn
Cell bodies of sensory neurons.
Lateral Horn
Autonomic motor neurons (thoracic & upper lumbar only).
Ventral Horn
Cell bodies of motor neurons.
Dorsal Root
Afferent (sensory) root of spinal nerve
Dorsal Root Ganglion
Cell bodies of afferent spinal nerves.
Ventral Root
Efferent (motor) root of spinal nerve.
Spinal Nerve
Mixed motor and sensory; 31 pairs.