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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. |