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The continuous development of cells in tissue formation; cell formation. Virchow.

A general term applied to the tissues formed of elongated cells, especially those with pointed or oblique extremities, as the principal cells of ordinary wood.

A nitrogenous phosphorized principle found in brain tissue. By decomposition it yields neurine, fatty acids, and other bodies.

. Proteids are present in nearly all animal fluids and make up the greater part of animal tissues and organs. They are also important constituents of vegetable tissues. See 2d Note under Food. -- Pro"te*id, a.

Having the most primitive character; in the earliest form; as, a protomorphic layer of tissue. H. Spencer.

(Physiol. Chem.), one of a class of bodies existing ready formed in animal and vegetable tissues, and separable by chemical analysis, as albumin, sugar, collagen, fat, etc.

A superficial growth of vascular tissue radiating in a fanlike manner from the cornea over the surface of the eye.

abscess, or fistula of the coronet, in a horse's foot, resulting from inflammation of the tissues investing the coffin bone.

ound. -- Radical vessels (Anat.), minute vessels which originate in the substance of the tissues.

The reproduction or renewal of tissues, cells, etc., which have been used up and destroyed by the ordinary processes of life; as, the continual regeneration of the epithelial cells of the body, or the regeneration of the contractile substance of muscle.

A minute smooth rodlike or fusiform structure found in the tissues of many Turbellaria.

Minute transparent, often needlle-shaped, crystals found in the tissues of plants. [Written also raphides.]

Plastic surgery of the nose to correct deformity or to replace lost tissue. Tissue may be transplanted from the patient's cheek, forehead, arm, etc., or even from another person.

ntial cause of the disease appears to be the nondeposition of earthy salts in the osteoid tissues. Children afflicted with this malady stand and walk unsteadily. Called also rachitis.

nous substance, formed in the decomposition of creatin (one of the constituents of muscle tissue). Chemically, it is methyl glycocoll.

ena, the nature, constitution, and forces of matter, the qualities and function of living tissues, etc.; -- called also natural science, and physical science. Voltaire hardly left a single corner of the field entirely unexplored in science, poetry, history, philosophy. J. Morley.

Induration of the cellular tissue. Sclerema of adults. See Scleroderma. -- Sclerema neonatorum ( Etym: [NL., of the newborn], an affection characterized by a peculiar hardening and rigidity of the cutaneous and subcutaneous tissues in the newly born. It is usually fatal. Called also skinbound disease.…

Vegetable tissue composed of short cells with thickened or hardened walls, as in nutshells and the gritty parts of a pear. See Sclerotic.

Induration of the tissues. See Sclerma, Scleroderma, and Sclerosis.

, that form of induration produced in an organ by increase of its interstitial connective tissue.