He also noted sudden thickening of coals along zones adjacent to belts of thin coal, which was ascribed to redeposition by flooding.
There was diffuse fibrous thickening of the mural endocardium, involving all the cardiac chambers.
At 9 days of age, progressive thickening of the duct was seen, with closure of the aortic end and absent flow.
As proglottis development proceeds along the strobila, there is a gradual thickening of the lateral nerve cords at the anterior end of each segment.
During development, the extensive thickening of the cell wall is specific to the lateral region of the endosperm and not to the micropylar region.
In the midfetal period the already formed special sense organs of hands, eyes, nostrils, and mouth are sealed by fusion and thickening of the integument.
Coincident with this thickening are a series of small-scale growth faults.
The thickening of the septa is clearly related to the recrystallization and is not an original feature.
