EPITHELIUM n.
The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their app…
FALSE a.
of deceiving. -- False passage (Surg.), an unnatural passage leading off from a natural canal, such as the urethra, and produced usually by the unskillful introduction of instruments. -- False personation (Law), the intentional false assumption of the name and personality of another. -- False pretenses (Law), false…
FERRIC a.
(Chem.), an acid, H2FeO4, which is not known in the free state, but forms definite salts, analogous to the chromates and sulphates. -- Ferric oxide (Chem.), sesquioxide of iron, Fe2O3; hematite. See Hematite.