Endogenous retroviruses are the proviral form of exogenous retroviruses that have become integrated into the germ line of the host. |
Once again, it is endogenous, not exogenous factors that make or break a relationship. |
Other tastes, not necessarily exogenous, often superceded the desire for financial gain. |
On many issues, Latin Americans continue to be highly vulnerable to exogenous events, trends and decisions. |
The most common form of vitamin K2 in animals is menaquinone 4, produced by the processing of exogenous and bacterial naphthoquinones. |
Abrupt withdrawal of exogenous glucocorticoids may precipitate an adrenal crisis. |