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. Author manuscript; available in PMC: 2011 May 6.
Published in final edited form as: Physiol Behav. 2008 Aug 5;96(1):6–11. doi: 10.1016/j.physbeh.2008.07.024

Table 3.

Adjusted and unadjusted total adrenal and thymus weights

adjusted total adrenal
(mg × 103/bw)		 adjusted thymus
(mg × 103/bw)
F344
(± SEM)		 F344/BN
(± SEM)		 F344
(± SEM)		 F344/BN
(± SEM)
4 mo 0.10
(± 0.00)		 0.11
(± 0.01)		 0.50**
(± 0.05)		 0.62** †
(± 0.03)
12 mo 0.10
(± 0.01)		 0.09
(± 0.00)		 0.18
(± 0.01)		 0.11
(± 0.02)
24/30 mo 0.14*
(± 0.01)		 0.11*
(± 0.01)		 0.18
(± 0.01)		 0.15
(± 0.02)
unadjusted total adrenal
(mg × 103)		 unadjusted thymus
(mg × 103)
F344
(± SEM)		 F344/BN
(± SEM)		 F344
(± SEM)		 F344/BN
(± SEM)
4 mo 32.1
(± 2.0)		 38.7
(± 1.1)		 161.3
(± 18.0)		 211.9
(± 14.5)
12 mo 40.6
(± 3.5)		 45.0
(± 1.8)		 75.2
(± 6.3)		 57.0
(± 7.8)
24/30 mo 59.3
(± 5.0)		 63.3
(± 4.2)		 73.2
(± 6.5)		 82.1
(± 7.9)
*

aged animals (combined across strain) had higher adrenal weights than middle aged

**

young animals (combined across strain) had higher thymus weights than both the middle aged and old groups

†

young F344/BN thymus weights were higher than young F344