Many suburbs are filled with tract housing built in the 1950s and 1960s.

Many families moved into tract houses on the outskirts of the city during the postwar building boom.

The vocal tract adjusts shape rapidly during speech to produce different vowels and consonants.

Researchers mapped the spinoreticular tracts to better understand their role in modulating pain and arousal.

Linguists compared the shapes of young children's vocal tracts to those of adults to understand speech development.

Damage to the pyramidal tracts can lead to weakness and loss of fine motor control on the opposite side of the body.

Researchers compared the bacterial communities in the gastrointestinal tracts of several mammal species to understand diet-related differences.

Damage to the pyramidal tract can cause weakness or loss of voluntary movement on the contralateral side of the body.

During the dissection, the neurologist pointed out the spinoreticular tract running closely beside the lateral spinothalamic tract in the spinal cord's white matter.

Doctors studied the urinary tracts of patients to identify the source of recurring infections.