<B>mycosis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD><B> 1. </B>the presence of parasitic fungi in or on any part of the body. <DD><B> 2. </B>a disease caused by such fungi. </DL>
<B>mycotic, </B>adjective.<DL COMPACT><DD> of or having to do with mycosis. </DL>
<A NAME="mycotoxin">
<B>mycotoxin, </B>noun.<DL COMPACT><DD> a poison produced by a fungus. <BR> <I>Ex. the significance of aflatoxin and other mycotoxins (New Scientist).</I> </DL>
<B>mydriasis, </B>noun.<DL COMPACT><DD> excessive dilation of the pupil of the eye, as the result of disease, drugs, or the like. </DL>
<A NAME="mydriatic">
<B>mydriatic, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> having to do with or causing mydriasis. <DD><I>noun </I> a drug that produces mydriasis, such as atropine. <BR> <I>Ex. Ephedrine and its salts are used locally to shrink mucous membranes in colds and as a mydriatic (Heber W. Youngken).</I> </DL>
<A NAME="myelencephalon">
<B>myelencephalon, </B>noun.<DL COMPACT><DD><B> 1. </B>the posterior section of the hindbrain, which comprises the medulla oblongata; afterbrain. <DD><B> 2. </B>the brain and spinal cord taken together and considered as a whole. </DL>
<A NAME="myelin">
<B>myelin, </B>noun.<DL COMPACT><DD> a soft, whitish, fatty substance that forms a sheath about the core of certain nerve fibers. <BR> <I>Ex. The myelin sheath ... surrounds nerve fibers much as insulating material protects electric wire (Science News Letter).</I> </DL>
<A NAME="myelinated">
<B>myelinated, </B>adjective.<DL COMPACT><DD> covered or surrounded by myelin. <BR> <I>Ex. myelinated nerve fibers.</I> </DL>
<A NAME="myelination">
<B>myelination, </B>noun.<DL COMPACT><DD> the sheathing of nerve fibers; acquisition of a myelin sheath. <BR> <I>Ex. Myelination... leads to lower levels of excitability and more mature function in the brain (Science News Letter).</I> </DL>
<A NAME="myeline">
<B>myeline, </B>noun. <B>=myelin.</B></DL>
<A NAME="myelitis">
<B>myelitis, </B>noun.<DL COMPACT><DD> inflammation of the spinal cord. </DL>
<A NAME="myeloblast">
<B>myeloblast, </B>noun.<DL COMPACT><DD> a bone-marrow cell in its early stages; a rudimentary myelocyte. </DL>
<A NAME="myeloblastic">
<B>myeloblastic, </B>adjective.<DL COMPACT><DD> having to do with myeloblasts. </DL>
<A NAME="myelocyte">
<B>myelocyte, </B>noun.<DL COMPACT><DD> an ameboid blood cell present in bone marrow and giving rise to leucocytes. <BR> <I>Ex. The marrow in early cases [of myeloid leukemia] shows an increase in ... myelocytes (G. E. Beaumont and E. C. Dodds).</I> </DL>
<A NAME="myelocytic">
<B>myelocytic, </B>adjective.<DL COMPACT><DD> of or having to do with myelocytes. </DL>
<A NAME="myelocytomatosis">
<B>myelocytomatosis, </B>noun.<DL COMPACT><DD> a disease of poultry, a form of the avian leucosis complex, characterized by the formation of white tumors in the liver and along the sternum. </DL>
<A NAME="myelofibrosis">
<B>myelofibrosis, </B>noun.<DL COMPACT><DD> fibrosis of the bone marrow. </DL>
<A NAME="myelogenic">
<B>myelogenic, </B>adjective.<DL COMPACT><DD> originating or produced in the marrow. </DL>
<B>myelogenous leukemia,</B><DL COMPACT><DD> a form of leukemia characterized by an excess of myelogenic leucocytes in the blood. </DL>
<A NAME="myelography">
<B>myelography, </B>noun.<DL COMPACT><DD> a method of taking X-ray pictures of the space around the spinal cord by first injecting air or certain liquids into the space. </DL>
<A NAME="myeloid">
<B>myeloid, </B>adjective.<DL COMPACT><DD><B> 1. </B>of or having to do with the spinal cord. <DD><B> 2. </B>having to do with or like marrow. <BR> <I>Ex. Myeloid leukemia ... involves the bone marrow and spleen primarily, the lymphoid tissue secondarily (Science News Letter).</I> </DL>
<A NAME="myeloma">
<B>myeloma, </B>noun, pl. <B>-mas,</B> <B>-mata.</B><DL COMPACT><DD> a malignant tumor of the bone marrow. </DL>
<A NAME="myelomatosis">
<B>myelomatosis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD> any one of various cancers of the bone marrow characterized by multiple myelomas. </DL>
<A NAME="myelomeningocele">
<B>myelomeningocele, </B>noun.<DL COMPACT><DD> a form of spina bifida with protrusion of a meningeal membrane and part of the spinal cord. </DL>
<A NAME="myg">
<B>myg.,</B><DL COMPACT><DD> myriagram. </DL>
<A NAME="myiasis">
<B>myiasis, </B>noun, pl. <B>-ses.</B><DL COMPACT><DD> a diseased condition of man or other animals due to the larvae of flies parasitic on or in the body. </DL>
<A NAME="myl">
<B>myl.,</B><DL COMPACT><DD> myrialiter. </DL>
<A NAME="mylar">
<B>Mylar, </B>noun.<DL COMPACT><DD> (Trademark.) a tough polyester film widely used in food packaging, recording tapes, and as an electrical insulator. </DL>
<A NAME="myleran">
<B>Myleran, </B>noun.<DL COMPACT><DD> (Trademark.) a drug used in the treatment of myelogenous leukemia. </DL>
<A NAME="mylodon">
<B>mylodon, </B>noun.<DL COMPACT><DD> an extinct giant ground sloth that lived in southern South America until recent times. </DL>
<A NAME="mylodont">
<B>mylodont, </B>adjective, noun.<DL COMPACT><DD><I>adj. </I> of, having to do with, or like the mylodons. <DD><I>noun </I> <B>=mylodon.</B> </DL>
<A NAME="mylonite">
<B>mylonite, </B>noun.<DL COMPACT><DD> a siliceous schist resulting from the crushing of quartzose rocks. </DL>
<A NAME="mym">
<B>mym.,</B><DL COMPACT><DD> myriameter. </DL>
<A NAME="myna">
<B>myna</B> or <B>mynah, </B>noun.<DL COMPACT><DD> any one of several birds related to the starlings that can mimic human speech, found in India and certain neighboring countries. Also, <B>mina.</B> </DL>
<A NAME="mynheer">
<B>Mynheer, </B>noun, pl. <B>-heeren.</B><DL COMPACT><DD> (Dutch.) Sir; Mr. </DL>
<A NAME="mynheer">
<B>mynheer, </B>noun.<DL COMPACT><DD> a Dutchman. </DL>
<A NAME="myo">
<B>myo-,</B><DL COMPACT><DD> (combining form.) muscle. <BR> <I>Ex. Myocardium = the muscular substance of the heart.</I> <DL COMPACT><DD> Also, <B>my-</B> before vowels. </DL>
</DL>
<A NAME="myoblast">
<B>myoblast, </B>noun.<DL COMPACT><DD> a muscle cell in its early stages; a cell which develops into a myocyte. </DL>
<A NAME="myocardial">
<B>myocardial, </B>adjective.<DL COMPACT><DD> of or having to do with the myocardium. <BR> <I>Ex. myocardial infarction, myocardial rupture.</I> </DL>
<A NAME="myocardiograph">
<B>myocardiograph, </B>noun.<DL COMPACT><DD> an instrument that records heart action. </DL>
<A NAME="myocarditis">
<B>myocarditis, </B>noun.<DL COMPACT><DD> inflammation of the muscular part of the wall of the heart. </DL>
<A NAME="myocardium">
<B>myocardium, </B>noun.<DL COMPACT><DD> the muscle tissue of the heart. <BR> <I>Ex. The coronary arteries bring oxygen and nutriment to the most important muscle in the body, the heart muscle or myocardium (Paul Dudley White).</I> </DL>
<A NAME="myocyte">
<B>myocyte, </B>noun.<DL COMPACT><DD><B> 1. </B>a muscle cell. <DD><B> 2. </B>a contractile cell around the pores of sponges. </DL>
<A NAME="myoelectric">
<B>myoelectric, </B>adjective.<DL COMPACT><DD> using electric currents produced by muscular contraction to actuate movement of an artificial limb, such as an arm or a hand. <BR> <I>Ex. Most other myoelectric controlled prostheses require two sets of electrodes, one for opening and another for closing (Science).</I> </DL>
<A NAME="myoelectrically">
<B>myoelectrically, </B>adverb.<DL COMPACT><DD> by myoelectric means. <BR> <I>Ex. a myoelectrically controlled arm and hand unit.</I> </DL>
<A NAME="myofibril">
<B>myofibril, </B>noun.<DL COMPACT><DD> a striated fibril of a muscle fiber. <BR> <I>Ex. The striations [of the fiber] arise from a repeating variation in the density, i.e., the concentration of protein along the myofibrils (Scientific American).</I> </DL>
<A NAME="myogenic">
<B>myogenic, </B>adjective.<DL COMPACT><DD><B> 1. </B>arising from the muscles. <BR> <I>Ex. myogenic contractions.</I> <DD><B> 2. </B>producing or forming muscle. <BR> <I>Ex. myogenic cells.</I> </DL>
<A NAME="myoglobin">
<B>myoglobin, </B>noun.<DL COMPACT><DD> a protein similar to hemoglobin and present in muscle cells, that takes oxygen from the blood and stores it for future use. <BR> <I>Ex. Muscles contain myoglobin, a compound related to haemoglobin which takes up oxygen released by haemoglobin ... and stores it for use in time of oxygen shortage (A. C. Allison).</I> </DL>
<A NAME="myogram">
<B>myogram, </B>noun.<DL COMPACT><DD> a record or tracing obtained by a myograph. </DL>
<A NAME="myograph">
<B>myograph, </B>noun.<DL COMPACT><DD> an instrument for recording muscular contractions and relaxations by means of tracings. </DL>
<A NAME="myoid">
<B>myoid, </B>adjective.<DL COMPACT><DD> of or like muscle. </DL>
<A NAME="myologist">
<B>myologist, </B>noun.<DL COMPACT><DD> a person skilled in myology. </DL>
<A NAME="myology">
<B>myology, </B>noun.<DL COMPACT><DD> the scientific study of the structure, functions, and diseases of muscles. </DL>
<A NAME="myoma">
<B>myoma, </B>noun, pl. <B>-mas,</B> <B>-mata.</B><DL COMPACT><DD> a tumor derived from muscular tissue. </DL>
<A NAME="myomatous">
<B>myomatous, </B>adjective.<DL COMPACT><DD> of or characterized by myoma; affected with a myoma. </DL>
<A NAME="myoneural">
<B>myoneural, </B>adjective.<DL COMPACT><DD> having to do with both muscle and nerve, especially with nerve endings in muscle tissue. <BR> <I>Ex. The impulses activate myoneural junctions ... and cause the effector (muscle) cells to contract (Elbert Tokay).</I> </DL>
<A NAME="myopathic">
<B>myopathic, </B>adjective.<DL COMPACT><DD> of or having to do with myopathy. </DL>
<A NAME="myopathy">
<B>myopathy, </B>noun.<DL COMPACT><DD> disease of the muscles. </DL>
<A NAME="myope">
<B>myope, </B>noun.<DL COMPACT><DD> a person having myopia; near-sighted person. <BR> <I>Ex. In general, myopes become aware of their abnormality because of the difficulty of distinguishing distant objects (Hardy and Perrin).</I> </DL>
<A NAME="myopia">
<B>myopia, </B>noun.<DL COMPACT><DD><B> 1. </B>near-sightedness; an abnormal condition of the eye in which only objects close to the eye produce distinct images because parallel rays of light are brought to a focus before they reach the retina. <DD><B> 2. </B>(Figurative.) short-sightedness. <BR> <I>Ex. intellectual myopia.</I> </DL>
