. Author manuscript; available in PMC: 2017 Mar 16.

Published in final edited form as: Curr Eye Res. 2011 Oct;36(10):947–957. doi: 10.3109/02713683.2011.587934

Table 4.

Comparison of our study to previous histological studies reporting the photoreceptor density and spatial organization in the chick retina. (40°, 12°) represents the location 40° nasal and 12° superior to the pecten.

Retinal Location	Density Range (cones/mm²)
Our Study (age: 6 weeks)
Chick A (40°, 12°)	21,714±543
Chick B (40°, 12°)	26,105±653
Chick B at pectin	20,980 to 25,148
Kram et al. ⁴¹ (age: 15 days)
DN	28,307 to 35,961
VT	21,986 to 29,434
Morris et al. ⁴⁵(age: 2 weeks)
Center Retina	16,576
Peripheral Retina	13,760
Meyer and May ⁴⁰ (age: adult)
Not specified	21,850
Bowmaker et al. ¹⁸ (age: 2 weeks)
Center Retina	10,021

DN = dorsal/nasal, VT = ventral/temporal