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Unit 1-Chapter 1
Terms - Body positions and sections
| Term | Definition |
|---|---|
| Superior | Above |
| Inferior | Below |
| Anterior or ventral | Toward the front |
| Posterior or dorsal | Toward the back |
| Medial | Toward the midline |
| Lateral | Away from midline towards side |
| Bilateral | Paired structures; on both sides |
| Ipsilateral | Same side |
| Contralateral | opposite sides |
| Proximal | close to point of attachment to trunk |
| Distal | farther from point of attachment to trunk |
| Superficial | close to body surface |
| Deep | more internal |
| Sagittal section | longitudinal cut that divides body into left and right portions |
| Mid-sagittal/Median section | divides body into equal left and right portions |
| Parasagittal section | sagittal section lateral to midline; divides body into unequal left and right portions |
| Transverse or Horizontal section | divides body into superior and inferior portions |
| Coronal or Frontal section | longitudinal cut that divides body into anterior and posterior portions |
| Epigastric region | upper middle portion |
| Left Hypochondriac region | on left sides of epigastric region |
| Right Hypochondriac region | on right sides of epigastric region |
| Umbilical region | central portion |
| Left Lateral (lumbar) region | on left sides of umbilical region |
| Right Lateral (lumbar) region | on right sides of umbilical region |
| Pubic (hypogastric) region | lower middle portion |
| Left Inguinal (iliac) region | on left sides of pubic region |
| Right Inguinal (iliac) region | on right sides of pubic region |
| RUQ | Right upper quadrant |
| LUQ | Left upper quadrant |
| RLQ | Right lower quadrant |
| LLQ | Left lower quadrant |
| Cylindrical Organs / Cross section | A cut across the structure |
| Cylindrical Organs / Oblique section | An angular cut |
| Cylindrical Organs / Longitudinal section | A lengthwise cut |
| Axial portion | includes the head, neck, and trunk |
| Appendicular portion | includes the upper and lower limbs |
| Diaphragm | muscle that separates the thoracic and abdominopelvic cavities |
| Mediastinum | region between lungs in thoracic cavity, which contains heart, esophagus, trachea, thymus gland |