M
- Macrogamete: Jinsuuno weyn
- Macronucleus: Bu’ weyn
- Macrospore: Boodhweyn
- Malaria: Duumo
- Malarian parasite : Dulin duumo
- Malleus: Laf Dubbeed
- Malpighian body: Jidhka Malbiji
- Malpighian tubeless: Qanjidh dhuumeed
- Maltase: Siniinyiire
- Maltose: Siniinceen
- Mammals: Naasley
- Mammary glands : Qanjidha caanood
- Mandibles: Daanruug , Daan hoose
- Mandibular arch: Qaanso daan
- Mantle: Dubaalad
- Marrow: Dhuux
- Marsupial: Naasley
- Mastigophore: Jeedalay
- Matrix: Min unug
- Maturation: Qaangaadh
- Maturity: Qaangaadhid
- Maxilla: Daan sare, Daanxanag
- Mechanism: Tallaabooyin , Hab
- Medulla: Dhuuxo
- Medulla oblongata: Dhuux dheere
- Medusa: tima-abees
- Meiosis: Yaraatibadh
- Membrane: Xuub
- Mendel’s law: Xeerka Mendhel
- Meninges: Maskaxxuube
- Menopause: Cisa goys, sunna goys
- Menstural cycle: Meertada cisada
- Mensturation: Ciso keen
- Meristems: Caydiyo
- Mesenchyme: Dhexbuuxo
- Mesentery: mindhicirduube
- Masocarp: Lakab dhexaad
- Mesoderm: Dubdhexaad , Maqaar dhexaad
- Mesoglea: Xabagdhexo
- Mesophyle:
- Mesophyte:
- Metabolism: Dheefsasho
- Metacarpus: calaacal
- Metamorphosis: Dub dhicis , xuub ridasho
- Metaphase: Weji dhexe
- Metatarsus: Cumaacum cageed
- Microgamet : Biid-jinsuuno
- Micripyle: Daloolyar
- Microscope: Weyneyso
- Microsporangium: Rood sidyar
- Midbrain: Maskax dhexaad
- Middle lamella: Hoosroor dhexe
- Midget: Cilin
- Midgut: Calool dhexe
- Midrib: Aroore caleen
- Migration: Guuris
- Micratory nucleus : Bu’guurto
- Milk teeth: Ilka caanood
- Milky disease: Cudur caanood
- Mineral: Macdan
- Mineral salts: Cusbooyin macdaneed
- Miracidium: caydi gasley
- Mitochondria: Dundalagle
- Mitosis: Dunbadh
- Mitral valve: Haniye laba faraarle
- Molar: Gows
- Molecule Rucub, Rucubsaxar
- Mollusca: Alaalax
- Monocotyledon: Hal beerle
- Monocyte: Unug Halbu’aale
- Monoecious: Labeeb
- Monohybrid: Halbadhax
- Monosacchride: Halsonkoroodle
- Morphogenesis: qaableel
- Morphology:
- Mosaic disease: Jirrada Barabaraale
- Mosquito: Kaneeco, dhilmaanyo
- Moss: cushbi
- Motor: Dhaqaajiye
- Motor nerve: Dareenwade dhaqaajiye
- Motor neuron: Damaquuno Dhaqaajiye
- Mucosa: Xuub xabeed
- Mucous cell : Unug xabeed
- Mucus: Xab
- Multicellular: Qaybo Unugeed
- Multi alleles: Kuuliddo taxan
- Muscles: Murqo
- Muscles tissue: Nud murqeed
- Musculature: Murqyo jidheedh
- Mashroom: Barkin waraabe, boqshaa
- Mutation: Dhalangeddis hiddeside
- Mutalism: Kala faa’iideysi
- Mycelium: Xidido likeed