Download Chapter Three Word Parts

Chapter Three
Directional terms and anatomical
planes and regions
Word Parts
•
•
•
•
•
•
•
•
•
•
Anter/o = front
Super/o = above
Caud/o = tail, downward Ventr/o = belly, front
Cephal/o = head, upward
Dist/o = away
Dors/o = back
Infer/o = below
Later/o = side
medi/o = middle
Poster/o = back, behind
Proxim/o = near, the point of reference
1
Prefixes / Suffixes
•
•
•
•
Bi- = two
uni- = one
-ad = toward
-ior = pertaining to
Directional Terms #1
•
•
•
•
•
•
•
•
•
Anterior = to the front
Anteroposterior = front and back
Bilateral = to two sides
Caudal = to the tail
Cephalad = toward the head
Cephalic = pertaining to the head
Distal = pertaining to away
Dorsal = pertaining to the back
Inferior = below
2
Directional Terms #2
•
•
•
•
•
•
•
•
•
Lateral = to a side
mediad = toward the middle
Medial = pertaining to the middle
Mediolateral = middle and to the side
Posterior = pertaining to the back
Proximal = pertaining to the near
Superior = above
Unilateral = to one side
Ventral = pertaining to the belly
Anatomical Planes
• Frontal or Coronal = vertical field passing
through the body from side to side, dividing the
body into anterior and posterior portions.
• Sagittal = vertical field running through the body
from front to back, dividing the body into right
and left sides
• Transverse = horizontal field diving the body
into upper and lower portions
3
Abdominal Regions
• Umbilical Region = around the navel
• Epigastric Region = directly above the
umbilical region
• Hypogastric region = directly below the
umbilical region
• Hypochondriac region = to the right and left
of the Epigastric region
• Lumbar region = to the right and left of the
umbilical region
• Iliac Region = to the right and left of the
Hypogastric region
Abbreviations
•
•
•
•
•
•
•
Ant = anterior
AP = anteroposterior
inf = inferior
lat = lateral
med = medial
PA = posteroanterior
sup = superior
4
The End
5