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Directional Terms
Question | Answer |
---|---|
Anatomy | The study of the structure of the body parts and their relationships to one another (i.e. gross/macroscopic, microscopic, developmental) |
Physiology | The study of the normal functions of living organisms and their parts |
Cytology (microscopic) | Study of the cell |
Histology (microscopic) | study of tissues |
Anatomical Position (A universal reference point) | Body erect, feet slightly apart, palms facing slightly forward, thumbs point away from body |
Superior (Cranial) | Towards the head or upper part of a body structure; above |
Inferior (Caudal) | Away from the head, toward the lower part of a body structure; below |
Anterior (Ventral) | Toward or at the front of the body; in front of |
Posterior (Dorsal) | Toward or at the back of the body; behind |
Medial | Toward or at the midline of the body; on the inner side of |
Lateral | Away from the midline of the body; on the outer side of |
Intermediate | Between a more medial and a more lateral structure |
Proximal | Closer to the origin of the body part or the point of attachment of a limb to the body trunk |
Distal | Farther from the origin of a body part or the point of attachment of a limb to the body trunk |
Superficial (external) | Toward or at the body surface |
Deep (internal) | Away from the body surface; more internal |
Body Planes | |
Sagittal | divides the body into right and left parts |
Midsagittal | sagittal plane that lies on the midline |
Frontal or Coronal | divides the body into anterior and posterior parts |
Transverse or horizontal (cross section) | divides the body into superior and inferior parts |
Oblique section | cuts made diagonally |