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Morphological and morphometric development of the stomach and intestine of the foetal dog.

We describe the chronology of development of the stomach and intestine in 18 greyhound foetuses. Using an LKB 2250 PMV cryomicrotome, we obtained corresponding series of sections (50 microns). Very small specimens were embedded in paraffin wax and sectioned at 10 microns. Selected sections were stained with haematoxylin and eosin. For measurement, the fractional area programme of a Vids II image analyser was employed.