basal part

basal part

[TA] portion of a structure which forms its base-the bottom part or part opposite the apex of the structure-or a branch serving that portion of the structure; e.g., the basal part of the lungs (formed by the four basal bronchopulmonary segments of each side) served by basal parts of the right and left pulmonary arteries. Synonym(s): basilar parts [TA], pars basalis [TA], pars basilaris [TA]

ba·sal part

(bāsăl pahrt) [TA] Portion of a structure that forms its base-the bottom part or part opposite the apex of the structure-or a branch serving that portion of the structure; e.g., the basal part of the lungs (formed by the four basal bronchopulmonary segments of each side) served by basal parts of the right and left pulmonary arteries.