Cervical enlargement

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Cervical enlargement

Diagrams of the medulla spinalis. (Cervical enlargement labeled at upper right.)
Latin	intumescentia cervicalis
Gray's	subject #185 752
Dorlands/Elsevier	i_11/12457947

The cervical enlargement corresponds with the attachments of the large nerves which supply the upper limbs.

It extends from about the third cervical to the second thoracic vertebra, its maximum circumference (about 38 mm.) being on a level with the attachment of the sixth pair of cervical nerves.

External links

cervical+enlargement at eMedicine Dictionary
Norman/Georgetown lesson6spinalcord&coverings
SUNY Labs 02:08-0101 - "Vertebral Canal and Spinal Cord: Regions of the Spinal Cord"
Atlas of anatomy at UMich n3a5p3 - "Spinal Cord, Fetus, Posterior View"

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e

Anatomy of torso (primarily): the spinal cord

Spinal nerve

Dorsal (Root, Ganglion, Ramus) • Ventral (Root, Ramus) • Sympathetic trunk • rami communicantes (Gray, White)

Gray matter/Rexed laminae

Posterior horn (Posteromarginal nucleus, Column of Clarke, Substantia gelatinosa of Rolando, Nucleus proprius)

Lateral horn/Anterior horn (Intermediolateral nucleus)

Central canal/Substantia gelatinosa centralis - Gray commissure

White matter

somatic/ascending (blue)	Posterior/PCML: touch: Gracilis • Cuneatus Lateral: proprioception: Spinocerebellar (Dorsal, Ventral) • pain/temp: Spinothalamic (Lateral, Anterior) • Posterolateral (Lissauer) • Spinotectal
motor/descending (red)	Lateral: Corticospinal (Lateral) • Ep (Rubrospinal, Olivospinal) Anterior: Corticospinal (Anterior) • Ep (Vestibulospinal, Reticulospinal, Tectospinal)