• Thumbnail for Retinohypothalamic tract
    the retinohypothalamic tract (RHT) is a photic neural input pathway involved in the circadian rhythms of mammals. The origin of the retinohypothalamic tract...
    7 KB (876 words) - 14:32, 28 May 2025
  • Thumbnail for Suprachiasmatic nucleus
    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
  • Thumbnail for Eye
    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
  • Thumbnail for Retinal ganglion cell
    vision, but are themselves photosensitive; their axons form the retinohypothalamic tract and contribute to circadian rhythms and pupillary light reflex...
    30 KB (3,681 words) - 05:13, 12 May 2025
  • Thumbnail for Melanopsin
    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
  • Thumbnail for Neural pathway
    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
  • Thumbnail for Circadian rhythm
    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...
    112 KB (13,020 words) - 19:23, 3 August 2025
  • Thumbnail for Pineal gland
    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
  • Thumbnail for Brain
    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...
    27 KB (3,120 words) - 16:02, 26 May 2025
  • Thumbnail for List of regions in the human brain
    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
  • Thumbnail for Ganglion cell
    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
  • Thumbnail for Mammalian eye
    (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...
    356 bytes (69 words) - 22:22, 4 June 2020
  • Thumbnail for Visual system
    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
  • Thumbnail for Pinealocyte
    synthesis is also regulated by the nervous system. Nerve fibers in the retinohypothalamic tract connect the retina to the suprachiasmatic nucleus (SCN). The SCN...
    13 KB (1,516 words) - 17:04, 22 February 2024
  • Thumbnail for CREB
    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
  • Thumbnail for Vasoactive intestinal peptide
    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
  • Thumbnail for Seasonal affective disorder
    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...
    42 KB (5,195 words) - 20:12, 14 July 2025
  • Thumbnail for Aschoff's Rules
    Hamster Retinohypothalamic Tract." Brain Research. 460(2):297-313. PMID 2465060 Hannibal, Jens (2002). "Neurotransmitters of the retino-hypothalamic tract"....
    25 KB (2,658 words) - 12:03, 29 July 2025
  • more precisely, the photosensitive ganglion cells through the retinohypothalamic tract, is responsible for the afferent limb of the pupillary reflex;...
    24 KB (3,394 words) - 15:23, 6 July 2025
  • 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...
    19 KB (2,707 words) - 07:40, 11 January 2024
  • Thumbnail for Cryptochrome
    (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