The lateralgroup supplies reticular formation, spinothalamic tract and dorsal vagal nucleus.
外侧群动脉供应延髓网状结构、脊丘束和迷走神经背核等。
2
The lateralgroup supplies the lateral lemniscus, central tegmental tract and reticular formation.
外侧群动脉分布于外侧丘系、中央束和网状结构；
3
The medial group mainly distribute in the rostal part of the internal capsule and basal nucleus; the lateralgroup mainly distribute in the caudal part.