Alternative spelling of homeostasis

A prominent character in William Shakespeare's play Macbeth, based on a semihistorical figure from the 11th century, who was previously thought to be the progenitor of the Scottish House of Stewart.

A surname.

(countable, uncountable, immunology) A glycoprotein found on the surface of helper T cells and several other types of immune cells. / (countable, immunology) A CD4+ helper T cell.