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AP Chp1 Dir. Terms
Directional Terms AP Chapter 1
| Question | Answer |
|---|---|
| Lateral | Side of Body |
| Ipsilateral | On same side. |
| Contralateral | On different sides |
| Proximal | Closer to trunk |
| Distal | Farther from trunk. |
| Midsagittal | Vertical plane that separates left and right into perfect halves through midline. |
| Parasagittal | Cut that separates left and right into UNEQUAL halves and does NOT pass through midline. |
| Transverse or Cross | Cut that separates superior and inferior. (Top and bottom) |
| Frontal or Coronal | Cut separating anterior from posterior. |
| Oblique | Cut at a 45 degree angle. Rarely used. |
| Superior | Toward the head or upper part of structure. |
| Inferior | Away from head, or lower part of structure. |
| Anterior or Ventral | Nearer to or at front of body. |
| Posterior or Dorsal | Nearer to or at back of body. |
| Medial | Nearer to the midline. |
| Intermediate | Between two structures. |
| Superficial | Toward or on surface of body. |
| Deep | Away from the surface of the body. |
| Cranial Cavity | Formed by cranial bones and contains brain. |
| Vertebral Cavity | Formed by vertebral colum and contains spinal cord and beginnings of spinal nerves. |
| Thoracic Cavity | Chest cavity; contains pleural and pericardial cavities and mediastinum. |
| Pleural Cavity | Each surrounds a lung; the serous membrane of each pleural is the pleura. |
| Pericardial Cavity | Surrounds the heart; the serous membrane of the pericardial cavity if the pericardium. |
| Mediastinum | Region in the middle portion of thoracic cavity between medial walls of plural cavities; from sternum to vetebral column and from first rib to diaphragm. |
| Abdominopelvic Cavity | Subdivided into abdominal and pelvic cavities. |
| Abdominal Cavity | Contains stomach, spleen, liver, gallbladder, small intestine and most of large intestine. Serous membrane of abdominal cavity is called peritoneum. |
| Pelvic Cavity | Contains urinary bladder, portions of large intestine, and internal organs of reproduction. |
| Parietal Membrane | Bag-like structure that attaches to body walls. Lines body cavities. |
| Visceral Membrane | Membrane fitting snugly against organ. |