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anatomical
structures, locations, positions
| Term | Definition |
|---|---|
| anatomical position | standing erect, arms at the sides of the body with eyes and palms facing forward, legs parallel with toes pointing forward. |
| superior (cranial) | above or closer to the head. |
| inferior (caudal) | below or closer to the feet |
| anterior (ventral) | toward the front of the body |
| posterior (dorsal) | toward the back of the body |
| medial | closer to the midline of the body |
| lateral | further away from the midline of the body |
| proximal | closer to the trunk of the body |
| distal | farther away from the trunk |
| superficial | closer to the surface of the body |
| deep | farther from the body's surface |
| sagittal plane | divides the body into the left and right sides. Midsagittal refers to an equal division of left and right sides, running along the midline of the body. |
| transverse plane | divides the body into upper and lower sections, not necessarily equal. |
| frontal plane | also called the coronal plane, divides the body into anterior and posterior sections. |
| cranial cavity | within the bony cranium, house the meninges (brain) |
| spinal cavity | a continuation of the cranial cavity as it travels down the midline of the back |
| thoracic cavity | within the chest, houses the lungs, heart, and major vessels |
| abdominal cavity | within the abdomen houses several major organs |
| pelvic cavity | inferior to the abdominal cavity, houses the bladder |
| RUQ | right upper quadrant |
| LUQ | left upper quadrant |
| RLQ | right lower quadrant |
| LLQ | left lower quadrant |
| nine body regions | right hypochondriac region, right lumbar region, right iliac region, epigastric region, umbilical region, hypogastric region, left hypochondriac region, left lumbar region. left iliac region |