1) Bone of the thorax 
The spinal canal (or vertebral canal or spinal cavity) is the space in vertebrae through which the spinal cord passes. It is a process of the dorsal human body cavity. This canal is enclosed within the vertebral foramina of the vertebrae. In the intervertebral spaces, the canal is protected by the ligamentum flavum posteriorly and the posterior lo...
The central space that runs up and down the inside of the spinal column, that encases the spinal cord. Also known as the vertebral canal.
Synonym for vertebral canal ... The canal that contains the spinal cord, spinal meninges, and related structures. It is formed by the vertebral foramina of successive vertebrae of the articulated vertebral column. ... Synonym: canalis vertebralis, spinal canal, tubus vertebralis. ... (05 Mar 2000) ... 
the canal formed by the series of vertebral foramina together, enclosing the spinal cord and meninges.
A passage through the middle of the spinal colum that contains the spinal cord.
Type: Term Synonyms: vertebral canal
Spinal canal refers to the hollow passage formed by the foramen of the vertebrae through which the spinal cord runs. The spinal canal is filled with cerebrospinal fluid that bathes the nerves. The canal originates at the base of the skull and ends at the sacrum. As the spinal cord descends through the canal, nerve roots emerge from holes to each si...
[n] - the canal in successive vertebrae through which the spinal cord passes
spinal canal Vertebral canal containing spinal cord.
vertebral canal noun the canal in successive vertebrae through which the spinal cord passes