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Of or pertaining to the episternum.

The middle portion of the sternum in some animals; the mesosternum.

The second lateral plate in the plastron of turtles; -- called also hyosternum.

Between the hyoid bone and the sternum, or pertaining to them; infrahyoid; as, the hyosternal region of the neck.

n process on the furculum, or merrythought, of many birds, where it is connected with the sternum.

The third lateral plate in the plastron of turtles; -- called also hyposternum.

Below the sternum; as, the infrasternal depression, or pit of the stomach.

See Episternum.

Between the clavicles; as, the interclavicular notch of the sternum.

Having a broad breastbone, or sternum; -- said of anthropoid apes.

The central keel-bearing part of the sternum in birds.

A handlelike process or part; esp., the anterior segment of the sternum, or presternum, and the handlelike process of the malleus.

Of or pertaining to the mesosternum.

Of or pertaining to the metasternum.

The postero-lateral ossification in the sternum of birds; also, the part resulting from such ossification.

Of or pertaining to the omosternum.

A chitinous piece between the metasternum and the pleuron of certain insects.

Having a breast like a pigeon, -- the sternum being so prominent as to constitute a deformity; chicken-breasted.

ession on the middle line of the epigastric region of the abdomen at the lower end of the sternum; the infrasternal depression. -- Pit saw (Mech.), a saw worked by two men, one of whom stands on the log and the other beneath it. The place of the latter is often in a pit, whence the name. -- Pit viper (Zoöl.), any vip…

The antero-lateral piece which articulates the sternum of birds.