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Inflammation of the tissues surrounding the bladder.

The hard outer covering of hydroids and other marine animals; the perisarc.

The almost inappreciable time which elapses between the systole and the diastole of the heart.

The envelope or coat of certain fungi, such as the puffballs and earthstars.

Chrysolite.

An eruptive rock characterized by the presence of chrysolite (peridot). It also usually contains pyroxene, enstatite, chromite, etc. It is often altered to serpentine.

The space between the columns and the wall of the cella, in a Greek or a Roman temple.

See Perioecians.

The primitive perivisceral cavity.

Excessive care or diligence. [Obs.]

Surrounding a ganglion; as, the periganglionic glands of the frog.

Surrounding the stomach; -- applied to the body cavity of Bryozoa and various other Invertebrata.

Pertaining to the perigee. Perigean tides, those spring tides which occur soon after the moon passes her perigee.

That point in the orbit of the moon which is nearest to the earth; -- opposed to Ant: apogee. It is sometimes, but rarely, used of the nearest points of other orbits, as of a comet, a planet, etc. Called also epigee, epigeum.

A theory which explains inheritance by the transmission of the type of growth force possessed by one generation to another.

Of or pertaining to perigenesis.

Any organ inclosing the essential organs of a flower; a perianth.

Same as Perigone.

A pie made of truffles, much esteemed by epicures.

A careless or inaccurate delineation of anything. Etym: [R.]