tract

s. distancia, trecho; octavilla; parcela, expansión, región, superficie, tracto

vía | tracto | conducto (med) | parcela (bienes raíces) | lote

tracto gastrointestinal

Ex: This volume was written as a tract to promote the use of microcards.
----
*urinary tract = tracto urinario

(n.) = tratado
Ex: This volume was written as a tract to promote the use of microcards.

(n.) = tracto
Ex: The gastrointestinal tract anatomically comprises the oesophagus, stomach, small and large intestines, pancreas, mesentery and associated lymph nodes.
----
* census tract = sector del censo, división del censo
* digestive tract = tracto intestinal
* urinary tract = tracto urinario
* urinary tract infection = infección de las vías urinarias

(n.) = extensión, trecho, zona, superficie, región
Ex: Protecting the remaining large tracts of tropical forests is not a financially impossible task.