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  • English Word Peristoma Definition Same as Peristome.
  • English Word Peristomata Definition of Peristoma
  • English Word Peristome Definition The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double.
  • English Word Peristome Definition The lip, or edge of the aperture, of a spiral shell.
  • English Word Peristome Definition The membrane surrounding the mouth of an invertebrate animal.
  • English Word Peristomial Definition Of or pertaining to a peristome.
  • English Word Peristomium Definition Same as Peristome.
  • English Word Peristrephic Definition Turning around; rotatory; revolving; as, a peristrephic painting (of a panorama).
  • English Word Peristyle Definition A range of columns with their entablature, etc.; specifically, a complete system of columns, whether on all sides of a court, or surrounding a building, such as the cella of a temple. Used in the former sense, it gives name to the larger and inner court of a Roman dwelling, the peristyle. See Colonnade.
  • English Word Perisystole Definition The interval between the diastole and systole of the heart. It is perceptible only in the dying.
  • English Word Perite Definition Skilled.
  • English Word Perithecium Definition An organ in certain fungi and lichens, surrounding and enveloping the masses of fructification.
  • English Word Peritomous Definition Cleaving in more directions than one, parallel to the axis.
  • English Word Peritonaeum Definition Same as Peritoneum.
  • English Word Peritoneal Definition Of or pertaining to the peritoneum.
  • English Word Peritoneum Definition The smooth serous membrane which lines the cavity of the abdomen, or the whole body cavity when there is no diaphragm, and, turning back, surrounds the viscera, forming a closed, or nearly closed, sac.
  • English Word Peritonitis Definition Inflammation of the peritoneum.
  • English Word Peritracheal Definition Surrounding the tracheae.
  • English Word Peritreme Definition That part of the integument of an insect which surrounds the spiracles.
  • English Word Peritreme Definition The edge of the aperture of a univalve shell.
  • English Word Peritricha Definition A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella.
  • English Word Peritrochium Definition The wheel which, together with the axle, forms the axis in peritrochio, which see under Axis.
  • English Word Peritropal Definition Rotatory; circuitous.
  • English Word Peritropal Definition Having the axis of the seed perpendicular to the axis of the pericarp to which it is attached.
  • English Word Peritropous Definition Peritropal.
  • English Word Perityphlitis Definition Inflammation of the connective tissue about the caecum.
  • English Word Periuterine Definition Surrounding the uterus.
  • English Word Perivascular Definition Around the blood vessels; as, perivascular lymphatics.
  • English Word Perivertebral Definition Surrounding the vertebrae.
  • English Word Perivisceral Definition Around the viscera; as, the perivisceral cavity.