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The teledu.

A long-continued or excessive dilatation of the pupil of the eye.

A mydriatic medicine or agent, as belladonna.

Same as Vertebrata.

Of or pertaining to the myelencephalon; cerebro-spinal.

The brain and spinal cord; the cerebro-spinal axis; the neuron. Sometimes abbreviated to myelencephal.

Of or pertaining to the Myelencephala.

A soft white substance constituting the medullary sheats of nerve fibers, and composed mainly of cholesterin, lecithin, cerebrin, albumin, and some fat.

Inflammation of the spinal marrow or its membranes.

The central canal of the spinal cord.

Derived from, or pertaining to, the bone marrow.

Resembling marrow in appearance or consistency; as, a myeloid tumor.

sm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers.

The spinal cord. (Sometimes abbrev. to myel.)

Of or pertaining to the myelon; as, the myelonal, or spinal, nerves.

The Vertebrata.

One of the huge multinucleated cells found in the marrow of bone and occasionally in other parts; a giant cell. See Osteoclast.

in the earth, which are often furnished with a trapdoor. The South American bird spider (Mygale avicularia), and the crab spider, or matoutou (M. cancerides) are among the largest species. Some of the species are erroneously called tarantulas, as the Texas tarantula (M. Hentzii).

A salmon (Salmo mykiss, syn. S. purpuratus) marked with black spots and a red throat, found in most of the rivers from Alaska to the Colorado River, and in Siberia; -- called also black-spotted trout, cutthroat trout, and redthroat trout.

An extinct genus of large slothlike American edentates, allied to Megatherium.