MUS- 



201 



MYE- 



muscular (mus'kulXr) a. [L. musculus, 

 muscle.] Pert, or consisting of 

 muscle ; appl. sense, excitability 

 (phys.}, stomach (zool.\ fibres, 

 process,' tissue, triangle (anat.}. 



musculature (miis'kulatur) n. [L. 

 musculns, muscle.] The system or 

 arrangement of muscles as a whole 

 (zool.}. 



musculocutaneous (mus'kulokuta'- 

 neus) a. [L. musculus, muscle ; 

 cutis, skin.] Pert, muscles and 

 skin ; appl. veins and nerves of leg 

 and arm supplying muscles and skin 

 (ana/., zooL). 



musculophrenic (mus'kulofre'n'ik) a. 

 [L. musculus, muscle ; Gk. phren, 

 midriff.] Supplying diaphragm and 

 body-wall muscles ; appl. an artery 

 (anat.}. 



musculospiral (mus'kulospl'ral) a. 

 [L. musculus, muscle ; spira, coil.] 

 Appl. a nerve which passes spirally 

 down the humerus (anat.}. 



mutation (muta'shun) n. [L. mutare, 

 to change.] Gradual variation 

 towards a definite change of struc- 

 ture ; discontinuous variation ; the 

 theory of De yries that new fonns, 

 differing sufficiently to constitute a 

 new variety, arise spontaneously 

 and remain true (biol.}. 



mutlcous (mu'tikus) a. [L. muticus, 

 maimed.] Without defensive struc- 

 tures, as clawless, toothless, blunt 

 (zool.\ 



mutilation (mu'tilashun) n. [L. ntu- 

 tilare, to maim.] Loss of an 

 essential part of a structure ; am- 

 putation (zool.}. 



mutualism (mu'tualizm) n. [L. 

 mutuus, exchanged.] A form of 

 symbiosis in which both parties 

 derive advantage without sustain- 

 ing injury (biol.}. 



myarian (mla'rian) a. [Gk. mys, 

 muscle.] Appl. classification ac- 

 cording to musculature (biol.}. 



mycele, mycelium. 



mycelioid (mlse'lloid) a. [Gk. mykes, 

 mushroom ; eidos, resemblance.] 

 Like mycelium. 



mycelium (mlse'Iium) n. [Gk. mykes, 

 fungus.] The network of filament- 

 ous cells forming the typical vege- 

 tative structure of Fungi (hot.}. 



mycetogenetlc (mlse'toje'ne't'lk) a. 



[Gk. mykes, fungus ; genesis, de- 

 scent.] Produced by a Fungus. 



mycetogenic, mycetogenetic. 



mycetoid (mlse'toid) a. [Gk. mykes, 

 fungus ; eidos, resemblance.] Fun- 

 goid ; fungus-like. 



mycetology, mycology. 



mycetophagous (mfsetSfagus) a. 

 [Gk. mykes, fungus ; phagein, to 

 eat.] Fungivorous ; feeding on 

 Fungi (zool.}. 



mycoderm (mfkodfirm) n. [Gk. 

 mykes, fungus ; derma, skin.] A 

 bacterium of alcoholic fermentation. 



mycology (mlkol'qjl) n. [Gk. mykes, 

 fungus ; logos, discourse.] The 

 department of botany dealing with 

 Fungi. 



mycoplasm (mfkoplSzm) n. [Gk. 

 mykes, fungus ; plasma, form.] A 

 parasitic substance of cereal seeds 

 which may give rise to a rust 

 Fungus (bot.}. 



mycorhiza (miTcorfza) n. [Gk. mykes, 

 fungus ; rhiza, root.] Association 

 of a fungus with the roots of a 

 higher plant, with mutual benefit 

 (bot.). 



myelencephalon(ml'6lgnk6f'al8n,-sgf-) 

 n. [Gk. myelos, marrow ; en, in ; 

 kephale, head.] The posterior part 

 of the hind-brain (emb.) ; the 

 medulla oblongata ; brain and 

 spinal cord generally (anat.). 



my elm (ml'e'lin) n. [Gk. myelos, 

 marrow.] A highly refracting fatty 

 material forming the medullary 

 sheath of nerve fibres (anat.}. 



myelination (mr'SUna'shun) n. [Gk. 

 myelos, marrow.] Acquisition of a 

 medullary sheath (anat.}. 



myelinization, myelination. 



myelocoel (ml'e'ldsel) n. [Gk. myelos, 

 marrow ; koilos, hollow.] The 

 spinal cord canal (anat.}. 



myelocyte (mfgloslt) n. fGk. myelos, 

 marrow ; kytos, hollow.] An amoe- 

 boid marrow cell, resembling a 

 lymphoid corpuscle (anat.}. 



myeloid (mfe'loid) a. [Gk. myelos, 

 marrow ; eidos, resemblance.] Like 

 marrow in appearance or structure 

 (anat.}. 



myelon (ml'e'lbn) n. [Gk. myelos, 

 marrow.] The spinal cord of 

 vetebrates (zool.}. 

 myeloplast (ml'gloplast) n. [Gk. 



