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30 January 2024 Topography of Retinal Ganglion Cells of a Northern Goshawk Accipiter gentilis
Hiroyuki Nishimura, Nobuaki Nakamuta, Yoshio Yamamoto
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Abstract

The retina of a Northern Goshawk Accipiter gentilis was investigated in a whole-mount preparation using Nissl's staining method. The total number of retinal ganglion cells (RGCs) was 4,427.2×103. The visual streak extended horizontally across the retina with an RGC density of 10.3–22.8×103 cells/mm2. This area included two foveal areas in central and temporal locations with densities of 22.8×103 and 22.7×103 cells/mm2, respectively. The localization of RGCs larger than 10 µm in diameter was observed in the periphery of the dorsal, nasal, and temporal retina. These results may reflect adaptation of the goshawk's eye to its ecological environment and behavior.

Hiroyuki Nishimura, Nobuaki Nakamuta, and Yoshio Yamamoto "Topography of Retinal Ganglion Cells of a Northern Goshawk Accipiter gentilis," Ornithological Science 23(1), 45-49, (30 January 2024). https://doi.org/10.2326/osj.23.45
Received: 10 June 2023; Accepted: 9 November 2023; Published: 30 January 2024
KEYWORDS
northern goshawk
Retinal ganglion cells
topography
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