conus medullaris


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Related to conus medullaris: cauda equina

conus

 [ko´nus] (pl. co´ni) (L.)
1. a cone-shaped structure.
2. posterior staphyloma of the myopic eye.
conus arterio´sus the anterosuperior portion of the right ventricle of the heart, at the entrance to the pulmonary trunk. Called also infundibulum.
conus medulla´ris the cone-shaped lower end of the spinal cord, at the level of the upper lumbar vertebrae.

co·nus me·dul·la·'ris

[TA]
the tapering lower extremity of the spinal cord.
Synonym(s): medullary cone [TA]

conus medullaris

the terminal end of the spinal cord.

conus medullaris

Anatomy The inferior, tapering portion of the spinal cord. See Spinal cord.

med·ul·lar·y cone

(med'ŭ-lar'ē kōn) [TA]
The tapering lower extremity of the spinal cord.
Synonym(s): conus medullaris [TA] .

conus

pl. coni [L.]
1. a cone or cone-shaped structure.
2. posterior staphyloma of the myopic eye.

conus arteriosus
the funnel-shaped portion of the right ventricle of the heart at the entrance to the pulmonary trunk.
conus medullaris
the cone-shaped caudal end of the spinal cord; found at the level of the upper lumbar vertebrae in the human spine, but more caudally in domestic animals.
References in periodicals archive ?
5 cm in size with lobular contours in the conus medullaris located intramedullary and filum terminale was thick and tense (Figure 1).
The conus medullaris volume was considered within the root volume.
The conus medullaris was found at the midpoint of L1, in two of the five patients scanned at the upper lumbar levels.
Klinik olarak yapilacak perineal his muayenesi her ne kadar conus medullaris ve cauda equina bozukluklarinda ayrici tanida onemli rol oynasa da subjektif bir test olarak kalmaktadir (23).
To give comprehensive care, nurses need to have considerable clinical knowledge about the correlation between burst fractures and conus medullaris injury.
The position of the conus medullaris in the adult population has been described through the use of cadaveric study.
These tumors typically arise from the ependymal glia of the conus medullaris and filum terminale.
Fibrolipomas of the conus medullaris in adult patients with tight filum and associated cord tethering have been previously reported.
Damage to the conus medullaris following spinal anaesthesia.
Flaccid paraparesis with urinary retention developed at this point, and magnetic resonance imaging of the spine demonstrated signal enhancement at the level of the conus medullaris.
This results in ascension of the conus medullaris to the normal position of T12-L2.
6) These lesions are most common in the cervical region (44%), followed by the thoracic (23%) and less common in the distal thoracic cord or conus medullaris (6.