anterior column

column

[kol´um] an anatomical part or other structure that resembles a pillar" >pillar.anal c's vertical folds of mucous membrane at the upper half of the anal canal; called also rectal columns.anterior column the anterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.gray column the longitudinally oriented parts of the spinal cord in which the nerve cell bodies are found, comprising the gray matter of the spinal cord.lateral column the lateral portion of the gray substance of the spinal cord, in transverse section seen as a horn; present only in the thoracic and upper lumbar regions.posterior column the posterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.rectal c's anal columns.spinal column (vertebral column) spine" >spine (def. 2).

an·te·ri·or col·umn

[TA] the pronounced, ventrally oriented ridge of gray matter in each half of the spinal cord; it corresponds to the anterior or ventral horn appearing in transverse sections of the cord and contains the motor neurons innervating the skeletal musculature of the trunk, neck, and extremities.
See also: gray columns. Synonym(s): columna anterior [TA]

an·te·ri·or col·umn

(an-tēr'ē-ŏr kol'ŭm) [TA] The pronounced, ventrally oriented ridge of gray matter in each half of the spinal cord; it corresponds to the anterior or ventral horn appearing in transverse sections of the cord and contains the motor neurons innervating the skeletal musculature of the trunk, neck, and extremities.
See also: gray columns

column

(kol'um) [L. columna, pillar] A cylindrical supporting structure.

anal column

Vertical folds of the mucous membrane in the anal canal. Synonym: rectal column

anterior column

Ventral column.

column of Bertin

See: Bertin, Exupère

column of Burdach

See: Burdach, Karl

Clarke's column

See: Clarke, Jacob A.L.

dorsal column

The triangular (in cross-section) sector of white matter demarcated by the dorsal midline (the dorsal median sulcus) and the dorsal horn on each side of the spinal cord. The dorsal column is a large bundle of ipsilateral primary sensory axons. Synonym: dorsal funiculus; posterior column 2

column of fornix

Either of two arched bands of fibers that form the anterior body of the fornix. The fibers lead to the mammillary body.

column of Goll

See: Goll, Friedrich

gray column

Gray matter in the anterior and posterior horns of the spinal cord.

intermediolateral cell column

Lateral horn.

lateral column

1. A column in the lateral portion of the gray matter of the spinal cord. It contains cell bodies of preganglionic neurons of the sympathetic nervous system. 2. The triangular (in cross-section) sector of white matter demarcated by the dorsal and ventral horns on each side of the spinal cord. The lateral column contains axons of neurons with cell bodies inside the brain or spinal cord, not axons from the dorsal root ganglia. Synonym: lateral funiculus3. The articulation in the midfoot between the fourth and fifth metatarsal bones and the cuboid.

motorcolumn

In the brainstem and spinal cord, a group of functionally analogous motor nuclei that are aligned longitudinally and that occupy a stereotyped position in cross-sections. The three motor columns, which run in the medial and ventral quadrants of the brainstem and spinal cord, comprise the branchial motor column (the nucleus ambiguus, the facial motor nucleus, and the trigeminal motor nucleus), the somatic motor column (the ventral horns of the spinal cord and the hypoglossal, abducens, trochlear, and oculomotor nuclei), and the visceral motor column (the lateral horns of the spinal cord and the dorsal motor nucleus of the vagus, the salivatory nucleus, and the Edinger-Westphal nucleus).

posterior column

1. The posterior horn of the gray matter of the spinal cord. It consists of an expanded portion or caput connected by a narrower cervix to the main portion of the gray matter. 2. Dorsal column.

rectal column

Anal column.

renal column

Cortical material of the kidney that extends centrally, separating the pyramids.

sensorycolumn

In the brainstem and spinal cord, a group of functionally analogous secondary sensory nuclei that are aligned longitudinally and that occupy a stereotyped position in cross-sections. The three sensory columns, which run in the lateral and dorsal quadrants of the brainstem and spinal cord, comprise the general somatic sensory column (the dorsal horns of the spinal cord and the mesencephalic, principal sensory, and spinal trigeminal nuclei), the special somatic sensory column (the cochlear and vestibular nuclei), and the visceral sensory column (the nucleus of the solitary tract).

spinal column

Vertebral column.

ventral column

The triangular (in cross-section) sector of white matter demarcated by the ventral horn and the ventral midline (the ventral median fissure) on each side of the spinal cord. The ventral column contains axons of neurons with cell bodies inside the brain or spinal cord, not axons from the dorsal root ganglia. Synonym: anterior column; ventral funiculus

VERTEBRAL COLUMN

vertebral column

The portion of the axial skeleton consisting of vertebrae (7 cervical, 12 thoracic, 5 lumbar, the sacrum, and the coccyx) joined together by intervertebral disks and fibrous tissue. It forms the main supporting axis of the body, encloses and protects the spinal cord, and attaches the appendicular skeleton and muscles for moving the various body parts. Synonym: spinal column See: illustration

单词	anterior column
释义	DictionarySeecolumn anterior column column [kol´um] an anatomical part or other structure that resembles a pillar" >pillar.anal c's vertical folds of mucous membrane at the upper half of the anal canal; called also rectal columns.anterior column the anterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.gray column the longitudinally oriented parts of the spinal cord in which the nerve cell bodies are found, comprising the gray matter of the spinal cord.lateral column the lateral portion of the gray substance of the spinal cord, in transverse section seen as a horn; present only in the thoracic and upper lumbar regions.posterior column the posterior portion of the gray substance of the spinal cord, in transverse section seen as a horn.rectal c's anal columns.spinal column (vertebral column) spine" >spine (def. 2). an·te·ri·or col·umn [TA] the pronounced, ventrally oriented ridge of gray matter in each half of the spinal cord; it corresponds to the anterior or ventral horn appearing in transverse sections of the cord and contains the motor neurons innervating the skeletal musculature of the trunk, neck, and extremities. See also: gray columns. Synonym(s): columna anterior [TA] an·te·ri·or col·umn (an-tēr'ē-ŏr kol'ŭm) [TA] The pronounced, ventrally oriented ridge of gray matter in each half of the spinal cord; it corresponds to the anterior or ventral horn appearing in transverse sections of the cord and contains the motor neurons innervating the skeletal musculature of the trunk, neck, and extremities. See also: gray columns column (kol'um) [L. columna, pillar] A cylindrical supporting structure. anal column Vertical folds of the mucous membrane in the anal canal. Synonym: rectal column anterior column Ventral column. column of Bertin See: Bertin, Exupère column of Burdach See: Burdach, Karl Clarke's column See: Clarke, Jacob A.L. dorsal column The triangular (in cross-section) sector of white matter demarcated by the dorsal midline (the dorsal median sulcus) and the dorsal horn on each side of the spinal cord. The dorsal column is a large bundle of ipsilateral primary sensory axons. Synonym: dorsal funiculus; posterior column 2 column of fornix Either of two arched bands of fibers that form the anterior body of the fornix. The fibers lead to the mammillary body. column of Goll See: Goll, Friedrich gray column Gray matter in the anterior and posterior horns of the spinal cord. intermediolateral cell column Lateral horn. lateral column 1. A column in the lateral portion of the gray matter of the spinal cord. It contains cell bodies of preganglionic neurons of the sympathetic nervous system. 2. The triangular (in cross-section) sector of white matter demarcated by the dorsal and ventral horns on each side of the spinal cord. The lateral column contains axons of neurons with cell bodies inside the brain or spinal cord, not axons from the dorsal root ganglia. Synonym: lateral funiculus3. The articulation in the midfoot between the fourth and fifth metatarsal bones and the cuboid. motorcolumn In the brainstem and spinal cord, a group of functionally analogous motor nuclei that are aligned longitudinally and that occupy a stereotyped position in cross-sections. The three motor columns, which run in the medial and ventral quadrants of the brainstem and spinal cord, comprise the branchial motor column (the nucleus ambiguus, the facial motor nucleus, and the trigeminal motor nucleus), the somatic motor column (the ventral horns of the spinal cord and the hypoglossal, abducens, trochlear, and oculomotor nuclei), and the visceral motor column (the lateral horns of the spinal cord and the dorsal motor nucleus of the vagus, the salivatory nucleus, and the Edinger-Westphal nucleus). posterior column 1. The posterior horn of the gray matter of the spinal cord. It consists of an expanded portion or caput connected by a narrower cervix to the main portion of the gray matter. 2. Dorsal column. rectal column Anal column. renal column Cortical material of the kidney that extends centrally, separating the pyramids. sensorycolumn In the brainstem and spinal cord, a group of functionally analogous secondary sensory nuclei that are aligned longitudinally and that occupy a stereotyped position in cross-sections. The three sensory columns, which run in the lateral and dorsal quadrants of the brainstem and spinal cord, comprise the general somatic sensory column (the dorsal horns of the spinal cord and the mesencephalic, principal sensory, and spinal trigeminal nuclei), the special somatic sensory column (the cochlear and vestibular nuclei), and the visceral sensory column (the nucleus of the solitary tract). spinal column Vertebral column. ventral column The triangular (in cross-section) sector of white matter demarcated by the ventral horn and the ventral midline (the ventral median fissure) on each side of the spinal cord. The ventral column contains axons of neurons with cell bodies inside the brain or spinal cord, not axons from the dorsal root ganglia. Synonym: anterior column; ventral funiculusVERTEBRAL COLUMN vertebral column The portion of the axial skeleton consisting of vertebrae (7 cervical, 12 thoracic, 5 lumbar, the sacrum, and the coccyx) joined together by intervertebral disks and fibrous tissue. It forms the main supporting axis of the body, encloses and protects the spinal cord, and attaches the appendicular skeleton and muscles for moving the various body parts. Synonym: spinal column See: illustration
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