PMID: 754702Jan 1, 1978Paper

Fine structure or retina in Chiroptera (author's transl)

L'Ateneo parmense. Acta bio-medica : organo della Società di medicina e scienze naturali di Parma
G Romita Azzali

Abstract

The retina of Chiroptera, studied during the various seasons of the year, appears well developed, and provided with morphological and structural characters very near to the humans and other mammalians. The retina of Chiroptera it is composed of five layers: 1) it is composed exclusively by rods: his morphological behaviour has been yet described in other night life birds and mammalians (e.g. mice and guinea pigs (Hollenberg e Bernstein), 2) plexiform layer, composed by rod's prolongations and by bipolar cells that there form conventional synapsis and mainly ribbon synapsis, 3) horizontal and amacrine bipolar cells and the middle portion of Müller's cells, 4) inner plexiform layer with conventional type synapsis, 5) layer of the ganglionar cells and of the enlarged prolongations of the inner portion of Müller's cell. The prolongations are separated from the vitreous body by basement membrane. After a detailed description of the elements constituent the different retina's layer, the Author asserts that remarkable qualitative, quantitative and season variations were not found. The inner granular layer as well as the middle part of the Müller's cells, is composed by three different types of cells: horizontal, amacrine, bipolar, whi...Continue Reading

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