Whole Body Terms CHAPTER 4

2 Structural Organization Cells –Smallest, most numerous structural unit Tissues –Groups of similar cells with specialized functions

3 Structural Organization Organs –Tissues arranged together to perform a particular function Body systems –Organization of different organs to perform bodily functions

4 Terms Relating to Cells Anaplasia Aplasia Dysplasia Hyperplasia Hypoplasia Neoplasia

5 Types of Tissues Connective Epithelial Muscle –Skeletal –Smooth or Visceral –Cardiac Nervous

6 Body Planes Midsagittal –Divides body into equal right and left portions Midline of the body –Medial –Lateral

7 Body Planes

8 Frontal or coronal –Divides body into front and back portions

9 Body Planes

10 Body Planes Transverse –Cuts across body –Superior (Cranial, Cephalic) –Inferior (Caudal)

11 Body Planes

12 Body Regions Nine abdominal regions –Identified from left to right –Move from top to bottom –One row at a time

13 Body Regions

14 Abdominal Quadrants Landmark = umbilicus (navel) Quadrants –RUQ, LUQ, RLQ, LLQ –McBurney’s point –Monro’s point

15 Abdominal Quadrants

16 Body Cavities Ventral cavity –Thoracic –Abdominal –Pelvic Dorsal cavity –Cranial –Spinal

17 Body Cavities

18 Divisions of the Back Cervical Vertebrae (C 1 – C 7 ) Thoracic Vertebrae (T 1 – T 12 ) Lumbar Vertebrae (L 1 – L 5 ) Sacrum Coccyx

19 Divisions of the Back

20 Directional Terms Superficialvs.Deep Anteriorvs.Posterior Ventralvs.Dorsal Superiorvs.Inferior Cranialvs.Caudal

21 Directional Terms

22 Directional Terms Medialvs. Lateral Distalvs. Proximal Supinevs. Prone Supinationvs. Pronation Plantarvs. Dorsum

23 Directional Terms