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An inflammatory affection of any mucous membrane, in which there are congestion, swelling, and an altertion in the quantity and quality of mucus secreted; as catarrh of the stomach; catarrh of the bladder.

The fold of membrane loaded with fat, which covers more or less of the intestines in mammals; the great omentum See Omentum. The caul serves for warming of the lower belly. Ray.

he brain and spinal cord. Cerebro-spinal fluid (Physiol.), a serous fluid secreted by the membranes covering the brain and spinal cord. -- Cerebro-spinal meningitis, Cerebro-spinal fever (Med.), a dangerous epidemic, and endemic, febrile disease, characterized by inflammation of the membranes of the brain and spinal c…

Chemical action taking place through an intervening membrane.

rough, astringent taste, and is swallowed with difficulty, or which contracts the mucous membrane of the mouth.

The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development.

und by pecular organs in the under side of the abdomen, consisting of a pair of stretched membranes, acted upon by powerful muscles. A noted American species (C. septendecim) is called the seventeen year locust. Another common species is the dogday cicada.

An inflammation of the large intestine, esp. of its mucous membrane; colonitis.

f a gelatinous rather than a crystalline nature, and which diffuses itself through animal membranes or vegetable parchment more slowly than crystalloids do; -- opposed to crystalloid.

ecus volans), having along the sides, connecting the fore and hind limbs, a parachutelike membrane, by means of which it is able to make long leaps, like the flying squirrel; -- called also flying lemur.

lizards; the columella of the ear, the bony or cartilaginous rod connecting the tympanic membrane with the internal ear.

The mucous membrane which covers the external surface of the ball of the eye and the inner surface of the lids; the conjunctival membrance.

; in close contact; as, the connivent petals of a flower, wings of an insect, or folds of membrane in the human system, etc.

e West Indies. It is stimulant and diuretic, and is much used in affections of the mucous membranes; -- called also balsam of copaiba. [Written also capivi.]

The deep layer of mucous membranes beneath the epithelium.

ficult breathing; esp., such an affection when associated with the development of a false membrane in the air passages (also called membranous croup). See False croup, under False, and Diphtheria.

A body which, in solution, diffuses readily through animal membranes, and generally is capable of being crystallized; -- opposed to colloid.

A variety of cellulose, occuring as a fine transparent membrane covering the aerial organs of plants, and forming an essential ingredient of cork; by oxidation it passes to suberic acid.

ves or parts at certain seasons, stages, or intervals; as, deciduous trees; the deciduous membrane.

The act of giving birth; parturition; the expulsion or extraction of a fetus and its membranes.