Defn: pl. of Pleuron.

PLEURA
Pleu"ra, n.; pl. L. Pleuræ, E. Pleuras. Etym: [NL., n. fem., fr. Gr.

1. (Anat.) (a) The smooth serous membrane which closely covers the lungs and the adjacent surfaces of the thorax; the pleural membrane. (b) The closed sac formed by the pleural membrane about each lung, or the fold of membrane connecting each lung with the body wall.

2. (Zoöl.)

Defn: Same as Pleuron.

PLEURAL
Pleu"ral, a. (Anat.)

Defn: Of or pertaining to the pleura or pleuræ, or to the sides of the thorax.

PLEURALGIA
Pleu*ral"gi*a, n. Etym: [NL., fr. Gr. (Med.)

Defn: Pain in the side or region of the ribs.

PLEURAPOPHYSIS Pleu`ra*poph"y*sis, n.; pl. Pleurapophyses. Etym: [NL. See Pleura, and Apophysis.] (Anat.)