Tuberomammillary nucleus TMN
<p>Nov 15, 2013 06:48 PM</p>
<p>
subnucleus of posterior third of hypothalmus.
it consists largely of histaminergic neurons and is involved in
arousal, sleep and circadian rhythm.</p>
<p>
possibly just several tens of thousans of these neurons in humans (per Helmut Haas)
but they project widely</p>
<p>
to cortdx, thalmus, ba gang, gasal forebrain and hypothal.</p>