Dictionary.net

A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid.

The ovoid prominence below the opening of the ear in the skulls of many animals; as, the tympanic or auditory bulla.

A leaden seal for a document; esp. the round leaden seal attached to the papal bulls, which has on one side a representation of St. Peter and St. Paul, and on the other the name of the pope who uses it.

A genus of marine shells. See Bubble shell.

A bleb; a vesicle, or an elevation of the cuticle, containing a transparent watery fluid.

The ovoid prominence below the opening of the ear in the skulls of many animals; as, the tympanic or auditory bulla.

A leaden seal for a document; esp. the round leaden seal attached to the papal bulls, which has on one side a representation of St. Peter and St. Paul, and on the other the name of the pope who uses it.

A genus of marine shells. See Bubble shell.

Visible accumulations of fluid within or beneath the epidermis.

A bleb, blister; a circumscribed area of separation of the epidermis, due to the presence of a clear non-purulent fluid.

Rounded cutaneous inflammation containing serous fluid; a part of the ear.

A genus of mollusca; a bleb.

The rounded prominence formed by the bones of the ear; the tympanic bulla.

A portion of the cuticle, detached from the skin by the interposition of a transparent, watery fluid. It forms the 4th order in Willan's and Bateman's arrangement of cutaneous diseases, and includes erysipelas, pemphigus, and pompholyx. By some, Bulla has been used synonymously with Pemphigus. See, also, Hydatid.

A bleb, or cutaneous vesicle.

A stud-shaped bony projection

An elevation of the skin, containing free fluid, greater in size than a split pea; sometimes called bleb or blister.