simple past tense and past participle of tract

An area or expanse. / (anatomy) A series of connected body organs, such as the digestive tract. / A small booklet such as a pamphlet, often for promotional or informational uses.

(obsolete) To pursue, follow; to track. / (obsolete) To draw out; to protract.

plural of tract

present participle of tract

plural of pyramidal tract

plural of gastrointestinal tract

(anatomy) A major collection of axons that transmits nerve impulses from the motor cortex to the spinal cord.

(biology) Ascending pathway in the white matter of the spinal cord, positioned closely to the lateral spinothalamic tract.

plural of urinary tract