Analgesia: alternatives and connections

The act of preserving, guarding, or protecting; the keeping (of a thing) in a safe or entire state; preservation.

Any plane surface, as of the floor of a room or church, or of the ground within an inclosure; an open space in a building.

The area in the central part of an amphitheater, in which the gladiators fought and other shows were exhibited; -- so called because i…

The variety of life in a place or across the planet.

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

A collection of sheets of paper, or similar material, blank, written, or printed, bound together; commonly, many folded and bound shee…

Mode or state of being; state or situation with regard to external circumstances or influences, or to physical or mental integrity, he…

A gallery or passageway leading to several apartments of a house.

no longer in existence; "the extinction of a species"

Dominion; empire; authority.

of or relating to the science of ecology; "ecological research"

of or relating to the science of ecology; "ecological research"

of Endanger

The act of extinguishing or making extinct; a putting an end to; the act of putting out or destroying light, fire, life, activity, inf…

Cleared land; land suitable for tillage or pasture; cultivated ground; the open country.

The natural abode, locality or region of an animal or plant.

The whole interior portion of a vessel below the lower deck, in which the cargo is stowed.