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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 |