magnesium
Magnetic Resonance Imaging (MRI)
maize
mallet
mandible
manganese
mare
marking
martingale
material fault
maxilla
medial
median
mediastinum
medulla oblongata
medullary cavity
melanoma
melting temperature
Merychippus
Mesohippus
metabolism
metabolism, aerobic
metabolism, anaerobic
metaphysis
microorganism
middle phalanx
mile
Miohippus
misdirected nail
mixed lameness
monophyletic
Mordax stud
mucous
mucous membrane
mule
muscle tissue
mushroom bar horseshoe
myofibril
myopathy
myosin
