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

• The fused head and thorax of spiders and crustaceans

• abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A

• 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.

• abnormally low level of calcium in the blood; associated with hypoparathyroidism or kidney malfunction or vitamin D deficiency

• The study of the structure of metals and their alloys, by any of a variety of techniques

• A process for utilising metal plates in a manner similar to lithographic stones.

• A process of imitating the grain of wood on metals.

• spasm of the eyelid muscle resulting in closure of the eye

• a graphical record of electrical activity of the brain; produced by an electroencephalograph

• an X ray of the brain made by replacing spinal fluid with a gas (usually oxygen) to improve contrast