Ap-o-neu-ro´sis. [Gr. απο, apo, from, and νευρον, neuron, a nerve.] The membranous expansions of muscles and tendons. The ancients called every white tendon neuron, a nerve.
Ap-pa-ra´tus. [L. apparo, to prepare.] An assemblage of organs designed to produce certain results.
Ap-pend´ix. [L., an addition.] Something appended or added.
A´que-ous. [L. aqua, water.] Partaking of the nature of water.
A-rach´noid. [Gr. αραχνη, arachnē, a spider, and ειδος, eîdos, form. Resembling 452 a spider’s web. A thin membrane that covers the brain.
Ar´bor. [L.] A tree. Arbor vitæ. The tree of life. A term applied to a part of the cerebellum.
Ar´te-ry. [Gr. αηρ, aēr, air, and τηρεω, tēreo, to keep; because the ancients thought that the arteries contained only air.] A tube through which blood flows from the heart.
A-ryt-e´noid. [Gr. αρυταινα, arutaina, a ewer, and ειδος, eîdos, form.] The name of a cartilage of the larynx.
As-cend´ens. [L.] Ascending; rising.
As-phyx´i-a. [Gr. α, a, not, and σφυξις, sphyxis, pulse.] Originally, want of pulse; now used for suspended respiration, or apparent death.