MALOCCLUSION
the absence of occlusion between the upper and lower teeth
MANDIBLE
the lower jaw
MANDIBULAR SYMPHASIS
the joint located at the center of the jaw that connects the two halves of the mandible that may or may not be fused
MANUAL
relating to the hand
MANUBRIUM
upper part of the sternum or breast bone
MASTICATION
chewing food
MATURATION
the attainment of the final stages of tissue or organ differentiation; marked in primates by attainment of puberty, full dental eruption, and epiphyseal union of the skeletal elements
MAXILLA
the upper jaw
MEDIAL
a relative term used to describe features that are closer to the midline or center of the body; the opposite of lateral
MEDIAL CUNEFIROM
the most medial tarsal bone on the distal row
MEGADONT
very large teeth
MELANIN
pigmentation in the skin that is a component of color in plants and animal
MENTAL
associated with the chin
MESIAL
for premolars and molars, a relative term referring to the part of the tooth that is closer to the front of the mouth or lips; the opposite of distal
METACARPAL
bone between the wrist and manual proximal phalanx
METACONE
the distal cusp located on the buccal side of the upper molar
METACONID
the distal cusp located on the lingual side of the lower molar
METAPHYSIS
cartilage located between the diaphysis and the epiphysis that expands and eventually ossifies into bone; location of the growth plate
METASTASIZE
the movement of a disease-producing agency from the site of disease to another part of the body; the change in form as the disease spreads
METATARSAL
bone between the tarsals and the pedal proximal phalanx
METOPIC SUTURE
a place of articulation in the frontal bone of the cranium that divides the bone in half. Fusion of the frontal bones begins about the second year of age in humans
MINIMUM NUMBER OF INDIVIDUALS
the minimum number of individuals (MNI) that would have had to have died in order to make up the assemblage. MNI is calculated by dividing the number of time each element occurs in an assemblage by the number of times it occurs in the skeleton of a single living individual. The MNI is the highest of the resulting numbers.
MITOCHONDRIAL DNA
deoxyribonucleic acid found within mitochondria
MNI
see minimum number of individuals
MORPHOLOGY
the form and structure of a feature
MRNA
the abbreviation for messenger RNA
MTDNA
see mitochondrial DNA
MUSCLE
fibrous tissue in the body that contracts, which pulls on an attached structure creating movement
MUTATION
a change in the genetic code as a result of an error during DNA reproduction