tapetal


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Related to tapetal: tapetum

tapetal

emanating from or pertaining to the tapetum.

tapetal aplasia
occurs in dogs, particularly Dalmatians, and pigs.
tapetal degeneration
occurs as an inherited defect in beagles and in cats with Chediak-Higashi syndrome.
tapetal hyperreflectivity
a feature of retinal degeneration when less light is absorbed by the atophic retina.
tapetal rods
crystalline structures containing zinc found in the cellular tapetum in carnivores.
tapetal stars
nonreflective dots in the tapetum lucidum of certain species (such as the horse) caused by piercing blood vessels. Called also stars of Winslow.
References in periodicals archive ?
Oguchi disease is a rare autosomal recessive form of congenital stationary night-blindness that is characterized by a golden tapetal fundus reflex.
The junction between the tapetal and non tapetal area were uneven with scattering of some tapetal cells while in long haired breeds like Golden Retriever, Cocker Spaniel, sharply demarcated in short haired breeds like Pugs.
When pollen grains become mature, the tapetal cells were degenerated, In meiotic division, the middle layers cells start a degeneration process.
Since the early days of orbicule-research, a positive correlation was hypothesised between the presence of orbicules and a parietal tapetum type (von Ubisch, 1927; von Kosmath, 1927), although several species were identified with parietal tapetal cells but lacking orbicules (Huysmans et al.
The visual cells in these eyes bend around the tapetum, exiting through the opening between the adjacent tapetal plates.
At first the fundus appeared dull and uniform grey brown and the tapetal and non-tapetal fundus were not differentiated.
At about the time the pollen tetrad appears, the walls of the tapetal cells become indistinct, and the tapetal cells degenerate at their original site.
At the stage of anther dehiscence, there was one-layer anther wall of endothecium and the tapetal layer was digested completely (Fig1 Q) to nourish the pollen grains.
A oftalmoscopia, observa-se atenuacao vascular, palidez de papila, hiperreflexia da area tapetal pelo afinamento da retina e despigmentacao da area nao-tapetal.
tissues of the seed parent, whereas interactive proteins in flowering plants are tapetal in origin.
Uehara & Murakami (1995) observaron la disposicion de los microtubulos del tapete durante el proceso de formacion de las esporas y mostraron la formacion de tapetal gaps (aqui llamadas camaras plasmodiales), alrededor de las tetradas y posteriormente alrededor de las esporas en formacion.
After removing most of the vitreous, the retina was gently peeled from the underlying tapetal region and incubated for 50 min in a modified culture medium containing 1.