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The dark blue, teal, and gold tapetum lucidum from the eye of a cow Retina of a mongrel dog with strong tapetal reflex. The tapetum lucidum (Latin for 'bright tapestry, coverlet'; / t ə ˈ p iː t əm ˈ l uː s ɪ d əm / tə-PEE-təm LOO-sih-dəm; pl.: tapeta lucida) [1] is a layer of tissue in the eye of many vertebrates and some other animals.
The tapetum lucidum, in animals that have it, can produce eyeshine, for example as seen in cat eyes at night. Red-eye effect, a reflection of red blood vessels, appears in the eyes of humans and other animals that have no tapetum lucidum, hence no eyeshine, and rarely in animals that have a tapetum lucidum. The red-eye effect is a photographic ...
Leukocoria (also white pupillary reflex) is an abnormal white reflection from the retina of the eye. Leukocoria resembles eyeshine, but leukocoria can also occur in animals that lack eyeshine because their retina lacks a tapetum lucidum.
Choroid dissected from a calf's eye, showing black RPE and iridescent blue tapetum lucidum. The RPE was known in the 18th and 19th centuries as the pigmentum nigrum, referring to the observation that the RPE is dark (black in many animals, brown in humans); and as the tapetum nigrum, referring to the observation that in animals with a tapetum lucidum, in the region of the tapetum lucidum the ...
Look at the inner corner of your eye in a mirror. That pink thing is your tapeum ludicum.(caruncle, not tapetum lucidum). Could someone supply a citation that verifies humans have but can't use a tapetum; a letter in "nature" contradicts this directly. We do not possess tapatum lucidum, and we or them do not have to option to/ not to use it.
Note the eyes and lips remain the normal colour. Studies have shown that the reduced pigment comes from a mutation in the gene for tyrosinase, the same as causes Type I oculocutaneous albinism in humans. [1] This white horse owes its coloring to a dominant allele (dominant white). A leucistic rock dove. Both the eyes and legs are still of the ...
Ligustrum lucidum, the broad-leaf privet, [2] Chinese privet, [3] glossy privet, [4] tree privet [5] or wax-leaf privet, is a species of flowering plant in the olive family Oleaceae, native to the southern half of China and naturalized in many places. [6] The name "Chinese privet" is also used for Ligustrum sinense.
Solanum lucidum M.Martens & Galeotti (non Moric.: preoccupied) S. lucidum Moric. is Aureliana fasciculata (Vell.) Sendtn.. Solanum mexiae Standl. Solanum microcarpum Vahl; S. microcarpum Cerv. ex Lag. is S. pubigerum Dunal. S. microcarpum Pav. ex Dunal in DC. is S. corymbosum Jacq.. Solanum montevidense Spreng. Solanum plurifurcipilum Bitter