(redirected from photoreceptor cell)
Also found in: Medical, Encyclopedia, Wikipedia.


The detection, absorption, and use of light, as for vision in animals or phototropism and photosynthesis in plants.

pho′to·re·cep′tive adj.


(Biology) biology the absorption of light and its use for biological purposes such as vision in animals and photosynthesis in plants


(ˌfoʊ toʊ rɪˈsɛp ʃən)

the physiological perception of light.
pho`to•re•cep′tive, adj.
Mentioned in ?
References in periodicals archive ?
It is also detected in vesicles distributed throughout the photoreceptor cell body, which suggests that LpOps6 is shed from rhabdoms (Battelle et al.
Bilberry extract and lingonberry extract and their active components protect the retina against blue LED light-induced retinal photoreceptor cell damage, according to a 2014 in vitro study.
Jun-Li Lin and colleagues, studying the effects of the flavanone in eye drops used to treat N-methyl-N-nitrosourea (MNU)-induced photoreceptor cell death in rats, found that topical naringenin dose dependently shielded the outer nuclear layer, outer retina, and whole retina, and prevented structural and functional damages to retinal neurons (Int.
The animals were sacrificed at the end of light exposure, except for 32 animals (8 from each exposure group) that were exposed to light for 28 days and then returned to a dark environment for 14 days of recovery (28+14 group) to allow for possible removal of necrotic photoreceptor cell debris.
After passing through the retina, they are reflected by the tapetum lucidum and have a second chance of stimulating a photoreceptor cell.
The patent covers the use of astaxanthin as a dietary supplement for amelioration of free radical- and light-induced retinal damage, age-related macular degeneration, photoreceptor cell retinal damage and damage to neurons of inner retinal layers, among other claims.
Photoreceptor number and outer segment disk membrane surface area in the retina of the rat: stereological data for whole organ and average photoreceptor cell.
Mechanisms addressed here include diabetes, statins, Drusen, RPE lipofuscin, genetic modifiers, X-linked retinal dystrophies and synaptic remodeling, while therapeutic strategies include the suppression of photoreceptor cell death, cell-based therapies, IPE transplantation, retinal transplantation, stem cells, encapsulated cell technology, neuroprotective factors, and carbon anhydrase inhibitors.
RP is an inherited retinal degenerative disease that often results in nearly complete blindness due to photoreceptor cell death, and affects roughly 100,000 Americans and nearly twice that many in Europe.
This is in contrast to the secondary eyes, whose retinas are inverted, with their rhabdomeres positioned below their photoreceptor cell bodies (Fig.
After passing through the retina they are reflected by the tapetum lucidum and have a second chance of stimulating a photoreceptor cell.
To understand these differences in further detail, this study examined the relationship between retinal drug distribution profiles and degree of photoreceptor cell death following administration of these Hsp90 inhibitors.