Africa 
China 
Japan 
MENA 
- Male accessory glands
- Male breast cancer
- Male contraceptive
- Male fertility
- Male genitalia
- Male infertility
- Male pseudohermaphroditism
- Male reproductive system
- Male reproductive tract
- Male sterilization
- Malgaigne's fracture
- Malic acid
- Malicious intent
- Malignancy
- Malignant ascites
- Malignant fibrous histiocytoma
- Malignant glioma
- Malignant histiocytosis
- Malignant hypertension
- Malignant hyperthermia
- Malignant meningioma
- Malignant narcissism
- Malignant neoplasm
- Malignant peripheral nerve sheath tumor
- Malignant pleural effusion
- Malignant teratoma
- Malignant triton tumor
- Malignant tumors
- Malingering
- Mallampati score
- Malleoli
- Malleolus
- Mallet finger
- Mallet toe
- Malleus
- Mallory bodies
- Mallory's trichrome stain
- Mallory-Weiss syndrome
- Malnutrition
- Malocclusion
- Malonaldehyde
- Malonyl CoA
- Malonyl-CoA decarboxylase
- Malpighian layer
- Malpighian tubules
- Malpractice
- Malt lymphoma
- Maltase
- Maltase glucoamylase
- Maltitol
- Maltodextrin
- Maltol
- Maltoporin
- Maltose
- Maltoside
- Maltreatment
- Malunion
- Malva sylvestris
- Malvalic acid
- Mambas
- MammaPrint
- Mammaglobin
- Mammalian brain
- Mammalian eye
- Mammarenavirus
- Mammary analogue secretory carcinoma
- Mammary gland development
- Mammary glands
- Mammary tumor
- Mammillary bodies
- Mammillary body
- Mammillothalamic tract
- Mammography
- Mammography Quality Standards Act
- Mammotome
- Mana
- Manchester operation
- Manchester score
- Mand
- Mandible
- Mandibular advancement splint
- Mandibular canal
- Mandibular central incisor
- Mandibular foramen
- Mandibular fossa
- Mandibular fracture
- Mandibular lateral incisor
- Mandibular nerve
- Mandibular prominence
- Mandibular second premolar
- Mandibular symphysis
- Mandragora
- Mandragora officinarum
- Mandrake
- Maneb
- Manganese
- Manganese deficiency
- Manganese superoxide dismutase
- Manganism
- Mange
- Mangoes
- Mangostin
- Manhattan plot
- Mania
- Manipulation
- Manipulation check
- Manipulation under anesthesia
- Manipulative therapy
- Mannan
- Mannan-binding lectin
- Mannans
- Manner of articulation
- Mannich bases
- Manning criteria
- Mannitol
- Mannitol dehydrogenase
- Mannitol salt agar
- Mannosamine
- Mannose
- Mannose 6-phosphate
- Mannose receptor
- Mannose-6-phosphate
- Mannose-binding lectin
- Mannosidase
- Mannosidosis
- Mannosyltransferase
- Manometry
- Mansonella
- Mansonella ozzardi
- Mansonella perstans
- Mantel test
- Mantle
- Mantle zone
- Mantoux test
- Manual Ability Classification System
- Manual communication
- Manual handling of loads
- Manual lymphatic drainage
- Manual small incision cataract surgery
- Manual therapy
- Manubrium
- Map kinase phosphatase
- Mapatumumab
- Maple syrup urine disease
- Maprotiline
- Maraviroc
- Marble burying
- Marburg virus
- Marburg virus disease
- Marburgvirus