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The Human Body
Directional Terms, Planes, and Regions LO 4.3
| Term | Definition |
|---|---|
| directional terms | locate a portion of the body - used to describe a position of the body |
| anterior/ventral | front side |
| posterior/dorsal | back side |
| inferior | below another another structure |
| superior | above another structure |
| lateral | to the side (pertaining to the side) |
| medial | middle (pertaining to the middle) |
| deep | through or away from the surface |
| superficial | at or near the surface |
| proximal | near the point of attachment to the trunk |
| distal | away from the point of attachment to the trunk |
| supine | patient is lying on their spine facing upward |
| prone | patient is lying on their abdomen with their face down |
| frontal/coronal plane | imaginary line that divides the body into anterior and posterior positions |
| midsagittal plane | imaginary line that divides the body into equal right and left halves |
| transverse plane | imaginary line that intersects the body horizontally and divides the body into upper and lower sections |
| sagittal/lateral plane | parallel to the median plane and divides the body into left and right halves |
| right upper quadrant (RUQ) | area of the abdomen that contains parts of the liver, gallbladder, pancreas, and intestinal tract. |
| left lower quadrant (LLQ) | the abdominal area that contains parts of the intestines and parts of the reproductive organs in females |
| left upper quadrant (LUQ) | area of the abdomen that contains the stomach, spleen, and parts of the liver, pancreas and intestines |
| right lower quadrant (RLQ) | the abdominal area that contains the appendix, parts of the intestines, and parts of the reproductive organs of the female |
| lumbar regions | left and right regions of the body in the back and sides between the lowest ribs and the pelvis |
| iliac and inguinal regions | regions near the upper portion of the hip bone |
| epigastric region | above the stomach and distal to sternum |
| hypogastric region | area just below the umbilical region |
| umbilical region | area surrounding the navel |
| hypochondriac region | just below the cartilage of the ribs, immediately over the abdomen |