Defn: One of the ventral processes of a vertebra, or the dorsal
element in each half of a hemal arch, forming, or corresponding to, a
vertebral rib.
— Pleu*rap`o*phys"i*al, a. Owen.

PLEURENCHYMA
Pleu*ren"chy*ma, n. Etym: [Gr. parenchyma.] (Bot.)

Defn: A tissue consisting of long and slender tubular cells, of which wood is mainly composed.

PLEURIC
Pleu"ric, a. (Anat.)

Defn: Pleural.

PLEURISY Pleu"ri*sy, n. Etym: [F. pleurésie, L. pleurisis, pleuritis, Gr pleyri is (sc. no`sos), fr. pleyra` rib, side.] (Med.)

Defn: An inflammation of the pleura, usually accompanied with fever, pain, difficult respiration, and cough, and with exudation into the pleural cavity. Pleurisy root. (Bot.) (a) The large tuberous root of a kind of milkweed (Asclepias tuberosa) which is used as a remedy for pleuritic and other diseases. (b) The plant itself, which has deep orange-colored flowers; — called also butterfly weed.

PLEURITE
Pleu"rite, n. (Zoöl.)

Defn: Same as Pleuron.

PLEURITIC; PLEURITICAL Pleu*rit"ic, Pleu*rit"ic*al, a. Etym: [L. pleuriticus, Gr. pleurétique.] (Med.) (a) Of or pertaining to pleurisy; as, pleuritic symptoms. (b) Suffering from pleurisy.