Word Unit: maxillo-, maxill- (Latin: jaw, upper jawbone)
Word Unit: mazo-, -mazia (Greek: breast)

Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": mammill-; mammo-; masto-; mastoido-; pectoro-; pleuro-; sterno-; stetho-; thorac-.

Word Unit: meand- (Greek: winding; from a winding river; by extension, curving, walking around slowly, drifting, wandering, roaming, going around aimlessly)

Cross references of word families that are related directly, or indirectly, to: "river, stream": amni-; fluvio-; oceano-; potamo-; ripari-.

Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; -plex; streph-; stroph-; tors-; tropo-; verg-; vers-; volv-.

Word Unit: meato-, meat-, mea- (Latin: opening or passageway in the body, bodily opening or canal; or to go, to pass; a passage)

A cross reference of other word family units that are related directly, indirectly, or partially with: "opening, hole, cavity, tract, tube": alveolo-; antro-; anu-; celo-; coelio-; concho-; fenestra-; hernio-; hiat-; ora-; parieto-; poro-; pyl-, pyle-; pylor-; sphinctero-; splanchn-; stomato-; syringo-; uretero-; urethro-; vagino-; ventricul-.

Word Unit: mechano-, mechan-; mechanico-; machin- (Greek makhana, machana > Latin machina: machine, device, tool; an apparatus for applying mechanical power to do work; mekhanikos > machynen, decide a course of action, contrive, plot contrivance; a machine or the workings of machines)
Word Unit: Mechatronic Research and Development (combinations of "mechanical" and "electronics")

A cross reference of word units that are related, directly and/or indirectly, with "electricity": electro-; galvano-; hodo-; ion-; piezo-; -tron; volt; biomechatronics, info.

Word Unit: Meckel, Johann Friedrich (German anatomist (October 17, 1781 - October 31, 1833), Halle, Prussia)
Word Unit: mecono-, mecon- (Greek > Latin: [mekonion to meconium] of or pertaining to the poppy, poppy-juice; opium)
Word Unit: media, medium (Latin: medium is the neuter form of the adjective medius, meaning "middle"; as well as, a neuter noun meaning, "the middle")
Word Unit: Medical Terms and Their Essential Word Parts (simplified connections of word parts which work together to form practical medical terms that can enhance one's understanding of several fields of medicine)
Word Unit: medico-, medic-, medi-, med- (Latin: heal, cure, remedy; physician, doctor; practice of medicine, give medicine to)

Medicine is the discipline that is concerned with the preservation of health and the diagnosis and treatment of human disabilities.

Word Unit: medio-, medi- (Latin: middle)
Word Unit: medita-, meditat- (Latin: from meditatus; a form of meditare, to muse, to ponder; to think over, to consider; to think, to reflect)
Word Unit: medull-, medullo-, medulli- + (Latin: marrow; central part)
Word Unit: mega-, meg- (Greek: large, great, big, powerful)

Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; megalo-.

Related "metric" families: yotta; zetta; exa; peta; tera; giga; kilo; hecto; deka; deci; centi; milli; micro; nano; pico; femto; atto; zepto; yocto.

Word Unit: megalo-, megal-, -megalia, -megaly (Greek: large, big, very big)

Related "big, large, great" words: grand-; macro-; magni-; major-; maxi-; mega-.

Word Unit: melano-, melan-, mela-, melen- (Greek: the color black; dark)

Other related "dark; shadow, shade; black" units: lygo-; nigri-; nocti-; nycti-; scoto-; skio-; umbra-.

Word Unit: melior-, meliorat- (Latin: better, to make better; to improve)
Word Unit: meliss-, melisso-, melitt-, melitto- + (Greek: honeybee, honeybees; bee, bees)

A cross reference of other word family units that are related directly, or indirectly, with: "insects, bugs, worms; invertebrates": aphidi-; api-; ascari-; culci-; Dung Beetle Survival; Dung Beetles Important; Eating Worms; entomo-; formic-; Guinea worms; helmintho-; insecto-; Insects: Importance; isopter-; larvi-; lepidopter-; mosquito; Mosquito, other Languages; Mosquitoes, Pt. 1; Mosquitoes, Pt. 2; myrmeco-; scarab; scoleco-; sphec-; taeni-; termit-; vermo-.

Word Unit: melli-, meli-, melit-, melito-, mellit-, mellito-, melo-, -mel, -melic, -melitic (Greek > Latin: honey)