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

simple past tense and past participle of tract

present participle of tract

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

plural of tract home

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

(anatomy) The gastrointestinal tract.

System of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and expels the remaining waste.