subregion

n.

（动植物分布的）亚区；子域；分区；

Ecological subregions of the United States, section descriptions
Correction: The Mammals of the Southern African Subregion.
Dissociating hippocampal subregions: double dissociation between dentate gyrus and CA1.
Fast Stereo Matching Using Rectangular Subregioning and 3D Maximum-Surface Techniques
Human Y chromosome azoospermia factors (AZF) mapped to different subregions in Yq11
Distinct Cortical Anatomy Linked to Subregions of the Medial Temporal Lobe Revealed by Intrinsic Functional Connectivity
Electrical and mechanical effects of acetylcholine and substance P in subregions of canine colon
Integration and segregation of activity in entorhinal-hippocampal subregions by neocortical slow oscillations.
A shared alloantigenic determinant on Ia antigens encoded by the I-A and I-E subregions: evidence for I region gene duplication.
Ionotropic glutamate receptors and expression of N-methyl-D-aspartate receptor subunits in subregions of human hippocampus: effects ...