13-Letter Words Containing: P,O,T,L,A,C,H

• a chemical substance obtained from plants that is biologically active but not nutritive

• The fused head and thorax of spiders and crustaceans

• An evolutionary trend in which the neural and sense organs become centralized at one end (the head) of an animal.

• The redistribution of blood flow from the base of the lung towards the upper lobe vessels as a consequence of pulmonary venous hypertension, usually described on a chest radiograph.

• a disorder characterized by an abnormal increase in the number of red blood cells in the blood

• Any medicine having this effect.

• That opposes the stimulation of the sympathetic nervous system.

• spherical Gram-positive parasitic bacteria that tend to form irregular colonies; some cause boils or septicemia or infections

• (of light or other electromagnetic radiation) composed of more than one wavelength

• having or exhibiting many colors