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The operation of making an incision into the esophagus, for the purpose of removing any foreign substance that obstructs the passage. [Written also oesophagotomy.]

That part of the alimentary canal between the pharynx and the stomach; the gullet. See Illust. of Digestive apparatus, under Digestive. [Written also .]

Same as Æsopian, Æsopic.

A group which includes the typical Isopoda.

of cranial nerves, which are distributed to the pharynx and tongue. -- n. One of the glossopharyngeal nerves.

One of a sect of philosophers, said to have been found in India by Alexander the Great, who went almost naked, denied themselves the use of flesh, renounced bodily pleasures, and employed themselves in the contemplation of nature.

The doctrines of the Gymnosophists. Good.

A cast taken in plaster of Paris, or in white lime.

A plant (Hyssopus officinalis). The leaves have an aromatic smell, and a warm, pungent taste.

The system which undertakes to cure a disease by means of the virus of the same disease.

Pepsin modified by exposure to a temperature of from 40º to 60º C.

Having equal perimeters of circumferences; as, isoperimetrical figures or bodies.

The science of figures having equal perimeters or boundaries.

Having equal pressure. Isopiestic lines, lines showing, in a diagram, the relations of temperature and volume, when the elastic force is constant; -- called also isobars.

A subclass of Gastropoda, in which the body is symmetrical, the right and left sides being equal.

Having the legs similar in structure; belonging to the Isopoda. -- n.

An order of sessile-eyed Crustacea, usually having seven pairs of legs, which are all similar in structure.

Having the shape of an isopod; -- said of the larvæ of certain insects.

Same as Isopod.

Having the two webs equal in breath; -- said of feathers.