Table 4.

Morphometric data of the soma of the motoneurons that supply the PCA and TA muscles, present in control animals and in animals allowed to survive for different times following laryngeal nerve crush injury

	Group	Area (μm)	Major axis (μm)	Minor axis (μm)
PCA	Control	466 ± 9	30 ± 0.4	29 ± 0.2
	1 wpi	426 ± 16	31 ± 0.8	18 ± 0.4
	2 wpi	567 ± 17	35 ± 0.8	20 ± 0.4
	4 wpi	558 ± 17	34 ± 0.6	21 ± 0.4
	8 wpi	451 ± 14	32 ± 0.7	18 ± 0.4
	12 wpi	468 ± 18	32 ± 0.8	19 ± 0.6
TA	Control	681 ± 17	37 ± 0.6	23 ± 0.3
	1 wpi	790 ± 42	44 ± 2.6	24 ± 1.1
	2 wpi	658 ± 20	38 ± 0.7	22 ± 0.5
	4 wpi	539 ± 13	33 ± 0.5	20 ± 0.3
	8 wpi	525 ± 17	32 ± 0.7	21 ± 0.3
	12 wpi	460 ± 21	32 ± 0.9	18 ± 0.6

Data are expressed as mean ± SEM.

PCA, posterior cricoarytenoid; TA, thyroarytenoid; wpi, weeks post-injury.