(mathematics, stochastic processes, of a state) persistent with infinite expected return time.

A cloaca formed by the abnormal fusion of the rectum, vagina, and urinary tract.

A condition of patients with severe brain damage in whom coma has progressed to a state of wakefulness without awareness.

(mathematics, stochastic processes, of a state) persistent with finite expected return time.

plural of persistent vegetative state

(medicine) A congenital cardiac defect characterised by the failure of division of the embryological structure of truncus arteriosus.

Organic compounds, predominantly synthetic, that are resistant to environmental degradation through chemical, biological, and photolytic processes, and that are often associated with health risks.

(medicine, dermatology) A cutaneous condition seen typically in thin young women who report great physical and psychological stress.

a type of hunting where the predator uses a combination of running and tracking to pursue the prey to exhaustion.

One who takes part in persistence hunting.