| Sp | the most posterior point on the posterior contour of the sella turcica; species; specific; specimen;... |
|---|---|
| TDP | thermal death point; thoracic duct pressure; thymidine diphosphate; total degradation products |
| TIP | thermal inactivation point; Toxicology Information Program; translation-inhibiting protein; tumor-in... |
| UGPA | undergraduate grade-point average |
| UYP | upper yield point |