Midline Thalamic Nuclei

**Definition:** Small, nonspecific nerve cells scattered in the periventricular GRAY MATTER, separating the medial part of the thalamus from the EPENDYMA of the THIRD VENTRICLE. The group includes the paraventricular nucleus, paratenial nucleus, reuniens nucleus, rhomboidal nucleus, and subfascular nucleus.

**Tree numbers:** - A08.186.211.200.317.826.701.500

**Synonyms:** - Midline Nuclei of Thalamus - Midline Nuclear Group - Periventricular Nuclei of Thalamus