| hierarchy of terms | In radiology, the semantic concept of using different terms to describe anatomic or pathologic structures versus the resultant diagnostic images. (05 Mar 2000) |
|---|---|
| orientation | <psychology> Awareness of one's environment, with reference to person, time and place. (18 Nov 1997) |
| orientation chamber | <cell culture> Chamber designed by Zigmond in which to test the ability of cells (neutrophils) to orient in a gradient of chemoattractant. The chamber is similar to a haemocytometer, but with a depth of only ca. 20m. The gradient is set up by diffusion from one well to the other and the orientation of cells towards the well containing chemoattractant is scored on the basis of their morphology or by filming their movement. (18 Nov 1997) |
| anatomic teeth | Artificial teeth that duplicate the anatomic forms of natural teeth. (05 Mar 2000) |
| models, anatomic | Three-dimensional representation to show anatomic structures. (12 Dec 1998) |
| extra-anatomic bypass | A vascular bypass that does not conform to the preexisting anatomy. (05 Mar 2000) |