Table 3.

Dimensions of quantified secretory units in the submandibular glands.

TYPE	Diameter		Perimeter		Long Axes
	Adults M ± SD	Elders M ± SD	Adults M ± SD	Elders M ± SD	Adults M ± SD	Elders M ± SD
Serous acini (n = 227) Mucous acini (n = 118) Mixed acini (n = 195)	57.58 ± 8.50	51.33 ± 7.50	207.04 ± 29.46	172.80 ± 26.46	82.39 ± 13.71	62.26 ± 11.22
	p < 0.001 **		p < 0.001 **		p < 0.001 **
	79.82 ± 8.92	77.29 ± 15.22	275.83 ± 35.88	281.35 ± 65.61	105.29 ±18.17	111.48 ± 25.36
	p = 0.267		p = 0.567		p = 0.128
	65.32 ± 10.94	63.88 ± 11.62	226.99 ± 40.80	221.18 ± 40.22	87.96 ± 19.36	82.92 ± 15.52
	p = 0.383		p = 0.324		p = 0.045 *
	t-Student test for independent samples: * p < 0.05 statistically significant; ** p < 0.01 highly statistically significant