Large multipolar cells characteristic of the thoracic nucleus (Clarke's nucleus in lamina VII) of the spinal cord. ... (05 Mar 2000) ... 
pigmented cells in the thoracic column of the spinal cord.
Type: Term Pronunciation: klahrk Definitions: 1. large multipolar cells characteristic of the posterior thoracic nucleus [TA] (Clarke nucleus in lamina VII) of the spinal cord.