turgor

The normal fullness or tension produced by the fluid content of living cells or of blood vessels and capillaries.

In physiology, the normal fullness of the capillaries and smaller blood-vessels, upon which is supposed to depend in part the resilience of the tissues: usually qualified by the epithet vital.

In botany See the quotation.

the pressure produced by a solution in a space that is enclosed by a differentially permeable membrane.

turgidity

(biology) the normal rigid state of fullness of a cell or blood vessel or capillary resulting from pressure of the contents against the wall or membrane