Chapter 2 Related Terms

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Related Terms
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1

Vertebra

Single backbone

2

Vertebrae

Backbone

3

Spinal Column

Bone tissue surrounding the spinal cavity

4

Spinal Cord

Nervous tissue within the spinal cavity

5

Disk (disc)

Pad of cartilage between vertebrae

6

Positional and Directional Terms

Anterior (ventral)

Front surface of the body

Example: The forehead is on the anterior side of the body.

7

Positional and Directional Terms

Posterior (dorsal)

The back side of the body.

Example: The back of the head is posterior (dorsal) to the face.

8

Positional and Directional Terms

Deep

Away from the surface

Example: The stab wound penetrated deep into the abdomen.

9

Positional and Directional Terms

Superficial

On the surface

Example: Superficial veins can be viewed through the skin.

10

Positional and Directional Terms

Proximal

Near the point of attachment to the trunk or near the beginning of a structure.

Example: The proximal end of the upper arm bone (humerus) joins with the shoulder bone.

11

Positional and Directional Terms

Distal

Far from the point of attachment to the truck or near the beginning of a structure.

Example: At its distal end, the humerus joins with the lower arm bones at the elbow.

12

Positional and Directional Terms

Inferior

Below another structure.

Example: The feet are at the inferior part of the body.

13

Positional and Directional Terms

Superior

Above another structure.

Example: The head lies superior to the neck.

14

Positional and Directional Terms

Medial

Pertaining to the middle; or nearer the medial plane of the body

Example: The inner thigh is medial in relation to the outer thigh.

15

Positional and Directional Terms

Lateral

Pertaining to the side.

Example: The outer thigh is lateral in relation to the body.

16

Positional and Directional Terms

Supine

Lying on the back

17

Positional and Directional Terms

Prone

Lying on the belly.

18

Planes of the body

Frontal (coronal) Plane

Vertical plane dividing the body or structure into anterior and posterior portions

19

Planes of the body

Sagittal (lateral) Plane

Lengthwise vertical plane dividing the body or structure into right and left sides.

20

Planes of the body

Transverse (cross-sectional of axial) Plane

Horizontal plane running across the body parallel to the ground.