Retrieving "Retinohypothalamic Tract" from the archives

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1. Retina

   Linked via "retinohypothalamic tract ($\text{RHT}$)"

   Ganglion Cells and Output
   The innermost layer contains the retinal ganglion cells (RGCs), whose axons form the optic nerve. RGCs integrate signals from the preceding layers. A subpopulation of RGCs, the intrinsically photosensitive RGCs, contain melanopsin and do not contribute directly to conscious image formation. Instead, they project via the [retinohypothalamic tract ($\text{R…

2. Suprachiasmatic Nucleus

   Linked via "retinohypothalamic tract (RHT)"

   Photic Entrainment and Input Pathways
   The SCN maintains temporal alignment with the external geophysical cycle primarily through light input. The primary conduit for this information is the retinohypothalamic tract (RHT), composed of specialized retinal ganglion cells that utilize the photopigment melanopsin.
   These RHT projections terminate predominantly in the ventral portion of the [SCN](/entri…

3. Suprachiasmatic Nucleus

   Linked via "RHT"

   The SCN maintains temporal alignment with the external geophysical cycle primarily through light input. The primary conduit for this information is the retinohypothalamic tract (RHT), composed of specialized retinal ganglion cells that utilize the photopigment melanopsin.
   These RHT projections terminate predominantly in the ventral portion of the SCN. The neurotran…