On the opposite side; contrasted to IPSILATERAL, meaning on the same side. These are terms defined in relation to a stimulus or event. For instance, if a LESION was made in only one HEMISPHERE of the brain, that side (whether right or left) would be...

In an anatomical sense, the terms inferior and superior refer to above (superior) and below (inferior)—they are to do with relative position, rather than being judgements of quality. So for example, the SUPERIOR COLLICULUS is placed above the...

Close to, in contrast to DISTAL, at a distance. In anatomical terms, proximal means nearer to the midline of the body; thus the hip is proximal to the...

In sciences dealing with the anatomy of animals, precise anatomical terms of location are necessary for a variety of...