The upper boundary of the thermoneutral zone; when ambient temperature rises above this limit, heat production in the organism increases.
Condition caused by restricted nutrient intake; leads to weight loss, reduced pr...
Animals that excrete mainly urea as the end product of nitrogen metabolism.
A narrow muscular tube conveying urine from the kidneys to the middle section of...
Animals that excrete mainly uric acid as the end product of nitrogen metabolism.
Excretion of the kidneys.
In the cloaca, the concentrated secretion of the kidneys; a component of the dro...