From: Gamma motor neurons express distinct genetic markers at birth and require muscle spindle-derived GDNF for postnatal survival
μ1 small
μ2 large
σ1 small
σ2 large
P5
297.5 ± 3.1*
590.0 ± 4.1*
57.5 ± 3.7
170.8 ± 4.5*
P20
334.2 ± 3.8
754.9 ± 9.1
77.6 ± 4.1
219.7 ± 10.9
P60
347.0 ± 3.2
763.8 ± 9.3
69.4 ± 4.6
199.8 ± 11.2