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From OneSci
Daily Brain Region
Habenular Nuclei comprise a small group of nuclei that are part of the epithalamus of the diencephalon, situated at the posterior end of the thalamus, on its upper surface. The habenular nuclei are typically divided into the lateral and medial habenular nucleus. The pineal gland is attached to the brain in this region. Nerve impulses from the habenular nuclei are transmitted to the septal nuclei via the stria medullaris, which is found on the medial surface of the thalamus.
The medial habenular nucleus is a major cholinergic pathway, expressing the choline transporter gene Slc5a7 more densely than any other brain region. The high affinity choline transporter is responsible for taking up choline into the presynaptic terminal of cholinergic neurons, where it can be synthesized into the neurotransmitter acetylcholine.
Open the tab below to view Slc5a7 expression in the medial Habenula (MH) in the mouse brain. The MH is located just below the hippocampus.
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