the retinohypothalamic tract (RHT) is a photic neural input pathway involved in the circadian rhythms of mammals. The origin of the retinohypothalamic tract...
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receives innervation via three main pathways, the retinohypothalamic tract, geniculohypothalamic tract, and projections from some raphe nuclei. The dorsomedial...
39 KB (4,434 words) - 04:19, 19 July 2025
retinal photosensitive ganglion cells send signals along the retinohypothalamic tract to the suprachiasmatic nuclei to effect circadian adjustment and...
59 KB (7,524 words) - 02:12, 21 July 2025
vision, but are themselves photosensitive; their axons form the retinohypothalamic tract and contribute to circadian rhythms and pupillary light reflex...
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has been found in eighteen sites in the human brain (outside the retinohypothalamic tract), intracellularly, in a granular pattern, in the cerebral cortex...
39 KB (4,519 words) - 19:50, 22 June 2025
He is also credited with establishing the role of the mammalian retinohypothalamic tract (RHT) as a photic entrainment pathway. Moore cin 2017 serves as...
13 KB (1,649 words) - 15:51, 7 November 2023
chemogenetic ligands into the eye to stimulate the SCN through the retinohypothalamic tract is another possible treatment for sundown syndrome as a similar...
23 KB (2,627 words) - 18:30, 17 July 2025
Pyramidal tracts – corticospinal and corticobulbar tracts Medial forebrain bundle Dorsal column–medial lemniscus pathway Retinohypothalamic tract is a photic...
10 KB (1,043 words) - 17:23, 13 June 2025
photopigment melanopsin and their signals follow a pathway called the retinohypothalamic tract, leading to the SCN. If cells from the SCN are removed and cultured...
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efferents to the paraventricular nucleus of hypothalamus via the retinohypothalamic tract. The paraventricular nucleus in turn projects to the superior cervical...
53 KB (5,933 words) - 15:20, 5 August 2025
it ordinarily receives input from the optic nerves, through the retinohypothalamic tract (RHT), that allows daily light-dark cycles to calibrate the clock...
133 KB (15,771 words) - 17:42, 17 July 2025
length-of-night information. They send light information via the retinohypothalamic tract (RHT) directly to the circadian pacemaker of the brain, the suprachiasmatic...
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Spinocerebellar tract Spino-olivary tract Spinoreticular tract Optic tract Optic radiation Retinohypothalamic tract Medullary striae of fourth ventricle Trapezoid...
19 KB (1,385 words) - 07:06, 21 May 2025
SCN (suprachiasmatic nucleus) of the hypothalamus through the retinohypothalamic tract. Their photo-transduction mechanism differs from the cone and rod...
12 KB (1,430 words) - 07:01, 4 August 2025
melanopsin, convey their signals to the "circadian clock" via the retinohypothalamic tract (branching off from the optic nerve), linking the retina to the...
8 KB (929 words) - 01:30, 10 February 2025
(suprachiasmatic nuclei), not to the visual center, through the retinohypothalamic tract which is formed as melanopsin-sensitive axons exit the optic nerve...
22 KB (2,758 words) - 17:51, 16 July 2025
for Alxa Right Banner Badanjilin Airport, Inner Mongolia, China Retinohypothalamic tract Right-hand traffic Randomized Hough transform, in image processing...
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Visual system (section Optic tract)
containing melanopsin for photosensitivity, sends information via the retinohypothalamic tract to the pretectum (pupillary reflex), to several structures involved...
59 KB (6,928 words) - 21:06, 22 May 2025
synthesis is also regulated by the nervous system. Nerve fibers in the retinohypothalamic tract connect the retina to the suprachiasmatic nucleus (SCN). The SCN...
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cells which signal to the suprachiasmatic nucleus (SCN) via the retinohypothalamic tract (RHT). Excitation of the RHT signals the release of glutamate which...
19 KB (2,243 words) - 23:46, 9 September 2024
The neurons in this area receive retinal information from the retinohypothalamic tract and then relay the environmental information to the SCN. Further...
23 KB (2,720 words) - 03:24, 14 June 2025
are not involved in vision. The information travels through the retinohypothalamic tract (RHT). In most species the hormone melatonin is produced by the...
22 KB (2,677 words) - 00:48, 28 July 2025
the pineal gland, since there are direct connections, via the retinohypothalamic tract and the suprachiasmatic nucleus, between the retina and the pineal...
50 KB (5,617 words) - 19:57, 5 August 2025
the eye send information about environmental light through the retinohypothalamic tract to the SCN. The SCN regulates the pineal gland, which secretes...
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Hamster Retinohypothalamic Tract." Brain Research. 460(2):297-313. PMID 2465060 Hannibal, Jens (2002). "Neurotransmitters of the retino-hypothalamic tract"....
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more precisely, the photosensitive ganglion cells through the retinohypothalamic tract, is responsible for the afferent limb of the pupillary reflex;...
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the inner plexiform layer of the retina. Ultimately, via this retinohypothalamic tract (RHT) the suprachiasmatic nucleus (SCN) of the hypothalamus receives...
30 KB (3,463 words) - 09:37, 21 June 2025
specialized photosensitive ganglion cells in the retina via the retinohypothalamic tract. The SCN maintains control across the body by synchronizing "slave...
37 KB (4,473 words) - 07:35, 3 June 2024
the day-night cycle to the suprachiasmatic nucleus (SCN) via the retinohypothalamic tract. The SCN evokes a response from the spinal cord. Preganglionic...
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(May 1998). "Vitamin B2-based blue-light photoreceptors in the retinohypothalamic tract as the photoactive pigments for setting the circadian clock in...
59 KB (6,502 words) - 08:13, 4 July 2025