outer zone of renal medulla(redirected from zona externa medullae renalis)
outer zone of renal medulla[TA]
basal portion of renal pyramid.
Synonym(s): zona externa medullae renalis [TA]
outer zone of renal medulla
the part of the renal medulla nearest to the cortex. It contains part of the distal straight tubule and the medullary collecting tubule and is subdivided into the inner stripe and the outer stripe.