medial accessory olivary nucleus

me·di·al ac·ces·so·ry ol·i·var·y nu·cle·us

a detached part of the olivary nucleus medial to the latter's main body, against the lateral side of the medial lemniscus and pyramidal tract.
References in periodicals archive ?
Stage 19: The Choroid Plexus of the Fourth Ventricle and the Medial Accessory Olivary Nucleus.