The phrase
"exogenous source" refers to something that comes from outside or external to a particular entity or system. It means that the source is not inherent or originating from within that entity or system.
Full definition
Several previous studies have relied on religious affiliation and the proximity to Catholic schools as
exogenous sources of variation for identifying the effect of Catholic schooling on a wide
As a diabetic, I do tend to have more advanced glycation end products accumulating so eliminating animal products as a
prime exogenous source was important.
Coleman's conclusion was wholly unjustified, because little or none of the EEOS variation in families, schools, peers, or neighborhoods came from true experiments, policy experiments, natural experiments, or any other
plausibly exogenous source.
Or is there room for autonomous decisions that are not only reactions to
exogenous sources of change, but are purposive and proactive actions in their own right?
• Fewer than normal lymphocytes Lymphopenia (decreased numbers) commonly occurs with excess glucocorticoids, whether they be from endogenous sources (stress, debilitating disease, surgery, shock, trauma, or exposure to heat or cold), or
from exogenous sources (such as glucocorticoid therapy).
We no longer make vitamin C ourselves, so we need
an exogenous source.
You learned it in — in school that we are a series of negative an positive feedback control so when you design to mix something in the body and you take
an exogenous source, you completely uncouple that system.
Without it, we'd die, as type 1 diabetics readily do without
an exogenous source.
There are rare birth defects in which the inability to produce certain compounds requires
an exogenous source.