(redirected from Spinalis thoracis)

spi·na·lis (mus·cle)

the medial component of the erector spinae muscle; it is composed of the spinalis capitis, spinalis cervicis, and spinalis thoracis muscles.
Synonym(s): musculus spinalis [TA], spinal muscle


1. Relating to any spine or spinous process.
2. Relating to the vertebral column.
[L. spinalis]


(spī-nā′lĭs) [L.]
A muscle attached to the spinal process of a vertebra.
References in periodicals archive ?
While closely approximating the spinous processes, the very slender spinalis thoracis runs between the T11-L3 spinous processes to insert into a variable number of the upper thoracic spinous processes, usually between the level of T4 and T8 (Hollinshead 1969).