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Osteology Ch 3
Anatomical Terminology
44
Anthropology
Undergraduate 4
01/18/2011

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Term
Sagittal
(midsaggital, median, midline)
Definition
plane that divides the body into symmetrical right and left halves
Term
Coronal
(frontal)
Definition
plane that divides the body into anterior and posterior halves (at a right angle to the sagittal and transverse planes)
Term
Superior
Definition
opposite of inferior; toward the head end of the hominid body
Term
Inferior
Definition
opposite of superior; body parts away from the head
Term
Anterior
Definition
opposite of posterior; toward the front of the hominid body, or in front of
Term
Posterior
Definition
opposite of anterior; toward the back of the body, or behind
Term
Medial
Definition
opposite of lateral; toward the midline
Term
Lateral
Definition
opposite of medial; away from the midline
Term
Proximal
Definition
opposite of distal; nearest the axial skeleton (the bones of the trunk, including the vertebrae, pelvis, ribs, and sternum)
Term
Axial skeleton
Definition
the bones of the trunk, including the vertebrae, pelvis, ribs, and sternum
Term
Distal
Definition
opposite of proximal; farthest from the axial skeleton
Term
External
Definition
opposite of internal; outer
Term
Internal
Definition
opposite of external; inside
Term
Endocranial
Definition
inner surface of the cranial vault; area filled by the brain
Term
Ectocranial
Definition
outer surface of the cranial vault
Term
Superficial
Definition
opposite of deep; close to the surface
Term
Deep
Definition
opposite of superficial; far from the surface
Term
Subcutaneous
Definition
just below the skin
Term
Mesial
Definition
opposite of distal; toward the midline where the central incisors contact each other
Term
-teeth-
Distal
Definition
opposite of mesial; away from the point on the midline
Term
lingual
Definition
opposite of labial and buccal; toward the tongue
Term
Labial
Definition
opposite of lingual; towards the lips
Term
Buccal
Definition
opposite of lingual; towards the cheeks, usually reserved for premolars and molars
Term
Interproximal
Definition
in contact with adjacent teeth in the same jaw
Term
Occlusal
Definition
facing the opposing dental arch, usually the chewing surface of the tooth
Term
Incisal
Definition
the biting, or occlusal, edge of the incisors
Term
Mesiodistal
Definition
axis running from mesial to distal
Term
Buccolingual and Labiolingual
Definition
axis running from buccal or labial to lingual
Term
Palmar
Definition
palm side of the hand
Term
Plantar
Definition
the sole of the foot
Term
Dorsal
Definition
top of the foot or back of the hand
Term
Flexion
Definition
bending movement that decreases the angle between body parts
Term
Extension
Definition
opposite of flexion; a straightening movement that increases the angle between body parts
Term
Abduction
Definition
movement of a body part (usually an appendage) away from the sagittal plane
-for fingers and toes -- movement of the digit away from the midline of the hand/foot
Term
Adduction
Definition
movement of a body part (usually an appendage) toward the sagittal plane
-for fingers and toes -- movement toward the midline of the hand or foot (closing the fingers)
Term
Circumduction
Definition
a combination of abduction and adduction, as well as flexion and extention, which results in an appendage being moved in a cone-shaped path
Term
Rotation
Definition
motion that occurs as one body part turns on an axis
Term
Opposition
Definition
motion in which body parts are brought together
(for example grasping with fingers)
Term
Pronation
Definition
rotary motion of the forearm that turns the palm from anteriorly facing to posteriorly facing
Term
Supination
Definition
opposite of pronation; rotary motion of the forearm that turns the palm to a position in which the thumb is lateral
Term
Dorsiflexion
Definition
flexion of the entire foot away from the ground
Term
Plantarflexion
(volarflexion)
Definition
opposite of dorsiflexion; flexing ofthe entire foot inferiorly, toward the ground, at the ankle
Term
Eversion
Definition
turning of the sole of the foot outward so that it faces away from the midline of the body (aka pronation of the foot)
Term
Inversion
Definition
turning of the sole of the foot inward so that it faces toward the midline of the body (aka supination of the foot)
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