Persistence of a perinatal cellular phenotype in submandibular glands of adult rat.

Abstract excerpt

In the perinatal submandibular gland (SMG) of the rat, Type I cells secrete protein C (89 KD) and Type III cells secrete B1-immunoreactive proteins (20-30 KD); both cell types secrete protein D (175 KD). After the disappearance of both perinatal cell types from the maturing acini, only cells of the intercalated ducts (ID) show strong reactivity for the perinatal antigens. In adult ID, light and electron...

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