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Pathology of sternal deformity in the Sprague-Dawley rat
1Hita Research Laboratory, Chemical Inspection & Testing Institute, Oita, Japan.
Jikken Dobutsu. Experimental Animals
|October 1, 1990
Abstract:
Pathological examination of two 12-week-old male Sprague-Dawley rats revealed bending of the sternebrae. Grossly, the sternebrae distal to the third sternebra were bent towards the underside, and the episternal extremity was turned towards the head. Microscopically, the 4th sternebra was observed to have slipped behind the third sternebra, and fractures of the episternal cortex and slanting of the episternal cartilage were also observed.