Any of various rod-shaped bacteria, some saprophytic or causing diseases.

One of the forms in which bacteria group themselves; a more or less thick layer of motionless but living bacteria, formed by the bacteria uniting on the surface of the fluid in which they are developed. This production differs from the zoogloea stage of bacteria by not having the intermediary mucous substance.

Of or relating to mycology, or the fungi.

One who is versed in, or who studies, mycology.

That branch of botanical science which relates to the mushrooms and other fungi.

Pertaining to, or designating, a complex nitrogenous acid of the alloxan group, obtained as a honey-yellow powder. Its solutions have a gelatinous consistency.

The protoplasmic matter of which bacteria are composed.

A variety of sugar, isomeric with sucrose and obtained from certain lichens and fungi. Called also trehalose.

The chain of micrococci formed by the division of the micrococci in multiplication.

A genus of birds including certain of the wood ibises, including the endangered Mycteria americana; it is sometimes assigned to a subfamily Mycteriinae.

A toxic alkaloid (ptomaine) obtained from putrid flesh and from herring brines. As a poison it is said to execute profuse diarrhoea, vomiting, and intestinal inflammation.

A poisonous amido acid, C6H13NO2, separated by Brieger from decaying horseflesh. In physiological action, it is similar to curare.

The teledu.

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

Causing dilatation of the pupil. 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. Sometimes abbreviated to myelencephal. The metencephalon.

Of or pertaining to the Myelencephala.

A soft white substance constituting the medullary sheaths of nerve fibers, and composed mainly of cholesterin, lecithin, cerebrin, protein, and some fat. One of a group of phosphorized principles occurring in nerve tissue, both in the brain and nerve fibers.

Of or pertaining to myelin.

Inflammation of the spinal marrow or its membranes.

The central canal of the spinal cord.

Fibrosis of the bone marrow.

Derived from, or pertaining to, the bone marrow.

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

A substance, present in the protoplasm 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.

A genus of very large hairy spiders of the family Ctenizidae, having four lungs and only four spinnerets. They do not spin webs, but usually construct tubes in the earth, which are often furnished with a trapdoor. The South American bird spider (Mygale avicularia), and the crab spider, or matoutou (Mygale cancerides) are among the largest species. They are also called trapdoor spiders. Some of the species are erroneously called tarantulas, as the Texas tarantula (Mygale Hentzii).

A salmon (Salmo mykiss, syn. Salmo 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.

The goddess of love and fertility and war; also called Ishtar; the counterpart of Ashtoreth and Astarte.

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

A natural family of extinct South American edentates.

Pertaining to, or in the region of, the lower jaw and the hyoid apparatus; as, the mylohyoid nerve.

Any one of numerous species of Asiatic starlings of the genera Acridotheres, Sturnopastor, Sturnia, Gracula, and allied genera. In habits they resemble the European starlings, and like them are often caged and taught to talk. See Hill myna, under Hill, and Mino bird.

A nun.

A nunnery; -- a term still applied to the ruins of certain nunneries in England.

The Dutch equivalent of Mr. or Sir; hence, a Dutchman.

Of or pertaining to the myocardium.

Inflammation of the myocardium.

The main substance of the muscular wall of the heart inclosed between the epicardium and endocardium.

A colored albuminous substance in the serum from red-colored muscles. It is identical with hemoglobin.

A myotome.

The department of physiology which deals with the principles of muscular contraction; the exercise of muscular force or contraction.

A myodynamometer.

An instrument for measuring the muscular strength of man or of other animals; a dynamometer.

Derived from epithelial cells and destined to become a part of the muscular system; -- applied to structural elements in certain embryonic forms.

One of the Myogalodae, a family of Insectivora, including the desman, and allied species.

See Muscle curve, under Muscle.

An instrument for determining and recording the different phases, as the intensity, velocity, etc., of a muscular contraction.

Of or pertaining to myography.

The description of muscles, including the study of muscular contraction by the aid of registering apparatus, as by some form of myograph; myology.

A red-colored respiratory pigment found associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate.

Composed of, or resembling, muscular fiber.

Sarcolemma.

The essential material of muscle fibers.

Of or pertaining to myology.

That part of anatomy which treats of muscles.

A tumor consisting of muscular tissue.

Divination by the movements of mice.

One of the Myomorpha.

An extensive group of rodents which includes the rats, mice, jerboas, and many allied forms.

Any affection of the muscles or muscular system.

Of or pertaining to myopathia.

Same as Myopathia.

A person having myopia; a myops.

A contractile striated layer found in the bodies and stems of certain Infusoria.

Nearsightedness; shortsightedness; a condition of the eye in which the rays from distant object are brought to a focus before they reach the retina, and hence form an indistinct image; while the rays from very near objects are normally converged so as to produce a distinct image. It is corrected by the use of a concave lens.

Pertaining to, or affected with, or characterized by, myopia; nearsighted.

See Myope.

The appearance of muscae volitantes. See Muscae volitantes, under Musca.

Myopia.

A protein present in muscle, serving as the principle contractile protein in muscle contraction.

Long-continued contraction of the pupil of the eye.

Myotic.

Inflammation of the muscles.

A genus of plants. See Mouse-ear.

Producing myosis, or contraction of the pupil of the eye, as opium, calabar bean, etc. A myotic agent.

A muscular segment; one of the zones into which the muscles of the trunk, especially in fishes, are divided; a myocomma. One of the embryonic muscular segments arising from the protovertebrae; also, one of the protovertebrae themselves. The muscular system of one metamere of an articulate.

Of or pertaining to a myotome or myotomes.

The dissection, or that part of anatomy which treats of the dissection, of muscles.

A large genus of tropical American trees and shrubs, nearly related to the true myrtles (Myrtus), from which they differ in having very few seeds in each berry.

Having numerous spines, as certain fishes.

Consisting of a very great, but indefinite, number; as, myriad stars.

A metric weight, consisting of ten thousand grams or ten kilograms. It is equal to 22.046 lbs. avoirdupois.

A metric measure of capacity, containing ten thousand liters. It is equal to 2641.7 wine gallons.

A metric measure of length, containing ten thousand meters. It is equal to 6.2137 miles.

One of the Myriapoda.

A class, or subclass, of arthropods, related to the hexapod insects, from which they differ in having the body made up of numerous similar segments, nearly all of which bear true jointed legs. They have one pair of antennae, three pairs of mouth organs, and numerous tracheae, similar to those of true insects. The larvae, when first hatched, often have but three pairs of legs. See Centiped, Galleyworm, Milliped.

A captain or commander of ten thousand men.

A measure of surface in the metric system containing ten thousand ares, or one million square meters. It is equal to about 247.1 acres.

A widely dispersed genus of shrubs and trees, usually with aromatic foliage. It includes the bayberry or wax myrtle, the sweet gale, and the North American sweet fern, so called.

A silky, crystalline, waxy substance, forming the less soluble part of beeswax, and regarded as a palmitate of a higher alcohol of the paraffin series; -- called also myricyl alcohol.

A hypothetical radical regarded as the essential residue of myricin; -- called also melissyl.

Of or relating to a myriologue.

One who composes or sings a myriologue.

An extemporaneous funeral song, composed and sung by a woman on the death of a friend.

Having an indefinitely great or countless number of leaves.

See Myriapoda.

A picture made up of several smaller pictures, drawn upon separate pieces in such a manner as to admit of combination in many different ways, thus producing a great variety of scenes or landscapes.

A form of kaleidoscope.

A salt of myristic acid.

Pertaining to, or derived from, the nutmeg (Myristica). Specifically, designating an acid (C14H28O2) found in nutmeg oil and otoba fat, and extracted as a white crystalline waxy substance.

The myristate of glycerin, -- found as a vegetable fat in nutmeg butter, etc.

The ketone of myristic acid, obtained as a white crystalline substance.

The type genus of the Myrmecophagidae; the South American ant bear.

A natural family of New World anteaters.

feeding on ants but usually not living with them.

An organism such as an insect that habitually shares the nest of a species of ant.

Associated with, or benefitted by ants through sharing their nest.

A plant that affords shelter and food to certain species of ants which live in symbiotic relations with it. Special adaptations for this purpose exist; thus, Acacia spadicigera has large hollows thorns, and species of Cecropia have stem cavities.

Of or pertaining to a myrmecophyte.

The type genus of the Myrmeleontidae, including the antlions.

A natural family of the order Neuroptera, including the antlions.

Of or pertaining to Myrmica, a genus of ants including the small house ant (Myrmica molesta), and many others.

One of a fierce tribe or troop who accompanied Achilles, their king, to the Trojan war.

Consisting of, or like, myrmidons.