PERICARDITUS
Per`i*car*di"tus, n. Etym: [NL. See Pericardium, and -itis.] (Med.)
Defn: Inflammation of the pericardium. Dunglison.
PERICARDIUM
Per`i*car"di*um, n. Etym: [NL., fr. Gr. (Anat.)
Defn: The double baglike fold of serous membrane which incloses the heart.
Note: The inner layer is closely adherent to the outer surface of the heart, and is called the cardiac pericardium. The outer layer loosely incloses the heart and the adherent inner layer, and is called the parietal pericardium. At the base of the heart the two layers are continuous, and form a narrow closed cavity filled with fluid, in which the pulsations of the heart cause little friction.
PERICARP
Per"i*carp, n. Etym: [Gr. péricarpe.] (Bot.)
Defn: The ripened ovary; the walls of the fruit. See Illusts. of
Capsule, Drupe, and Legume.
PERICARPIAL; PERICARPIC
Per`i*car"pi*al, Per`i*car"pic, a. (Bot.)
Defn: Of or pertaining to a pericarp.
PERICELLULAR
Per`i*cel"lu*lar, a. (Anat.)