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Arachnitis :: Arachnitis (n.) Inflammation of the arachnoid membrane.

Phalangoidea :: Phalangoidea (n. pl.) A division of Arachnoidea, including the daddy longlegs or harvestman (Phalangium) and many similar kinds. They have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. They breathe by tracheae. Called also Phalangides, Phalangidea, Phalangiida, and Opilionea..

Arachnoidea :: Arachnoidea (n. pl.) Same as Arachnida.

Arachnoid :: Arachnoid (a.) Pertaining to a thin membrane of the brain and spinal cord, between the dura mater and pia mater..

Arachnoid :: Arachnoid (a.) Resembling a spider's web; cobweblike.

Pseudoscorpiones :: Pseudoscorpiones (n. pl.) An order of Arachnoidea having the palpi terminated by large claws, as in the scorpions, but destitute of a caudal sting; the false scorpions. Called also Pseudoscorpii, and Pseudoscorpionina. See Illust. of Book scorpion, under Book..

Araneous :: Araneous (a.) Cobweblike; extremely thin and delicate, like a cobweb; as, the araneous membrane of the eye. See Arachnoid..

Arachnoid :: Arachnoid (a.) Covered with, or composed of, soft, loose hairs or fibers, so as to resemble a cobweb; cobwebby..

Citigradae :: Citigradae (n. pl.) A suborder of Arachnoidea, including the European tarantula and the wolf spiders (Lycosidae) and their allies, which capture their prey by rapidly running and jumping. See Wolf spider..

Arachnoidal :: Arachnoidal (a.) Pertaining to the arachnoid membrane; arachnoid.

Arachnoid :: Arachnoid (n.) One of the Arachnoidea.

Leptomeningitis :: Leptomeningitis (n.) Inflammation of the pia mater or of the arachnoid membrane.

Subarachnoidal :: Subarachnoid (a.) Alt. of Subarachnoida.

Subarctic :: Subarachnoidal (a.) Situated under the arachnoid membrane.

Meninges :: Meninges (n. pl.) The three membranes that envelop the brain and spinal cord; the pia mater, dura mater, and arachnoid membrane..

Insecta :: Insecta (n.) In the most general sense, the Hexapoda, Myriapoda, and Arachnoidea, combined..

Relbun :: Relbun (n.) The roots of the Chilian plant Calceolaria arachnoidea, -- used for dyeing crimson..

Arachnoid :: Arachnoid (n.) The arachnoid membrane.

Subeditor :: Subdural (a.) Situated under the dura mater, or between the dura mater and the arachnoid membrane..

Araneose :: Araneose (a.) Of the aspect of a spider's web; arachnoid.

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