parietal

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Pertaining to the walls of a cavity.

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1. of, pertaining to, or forming part of the wall of a body cavity or similar structure; e.g. the hydrochloric-acid-secreting parietal cells of the gastric mucosa, also known as oxyntic cells.
2. of or relating to the parietal bones of the skull.

1. of or pertaining to the walls of an organ or cavity.
2. pertaining to or located near the parietal bone.

• p. block — abnormal electrical conduction through the left branch of the bundle of His.
• p. bone — one of two quadrilateral bones forming the sides and roof of the cranium.
• p. cells — cells of the proper gastric mucosa that secrete hydrochloric acid. Called also oxyntic cells.
• p. decidua — see parietal decidua.
• p. hernia — when only the antimesenteric edge of the intestine is incarcerated in the defect of body wall or mesentery.
• p. lobe — the upper central portion of the cerebral hemisphere, between the frontal and occipital lobes, and above the temporal lobe. In the human brain, it is the receptive area for fine sensory stimuli, and the highest integration and coordination of sensory information is carried on in this area. Damage to the parietal lobe can produce defects in vision and aphasia.
• p. peritoneum, p. pleura — that part of the serous membrane that invests the wall of the cavity, as distinct from the visceral part.

• Skeleton - parietal: top of cranium
• Flirtation, Dating, and Courting - parietal: (adj) having to do with rules governing contact between sexes and dating hours, esp. at institution

Look up parietal in Wiktionary, the free dictionary.

Parietal (literally "belonging to walls") may refer to:

Human Anatomy

• Inferior parietal lobule, below the horizontal portion of the intraparietal sulcus, and behind the lower part of the postcentral sulcus
• Parietal bone of the skull
• Parietal branch of superficial temporal artery, curves upward and backward on the side of the head
• Parietal cell in the stomach
• Parietal eminence, external surface of the parietal bone
• Parietal foramen, back part of the parietal bone and close to the upper or sagittal border
• Parietal lobe of the brain
• Parietal operculum, portion of the parietal lobe on the outside surface of the brain
• Parietal pericardium, double-walled sac that contains the heart and the roots of the great vessels
• Parietal placentation, refers to the formation, type and structure, or arrangement of placentas
• Parietal pleura, attached to the wall of the thoracic cavity
• Parietal-temporal-occipital, (PTO) includes portions of the parietal, temporal and occipital lobes
• Posterior parietal cortex, portion of parietal neocortex posterior to the primary somatosensory cortex
• Superior parietal lobule, bounded in front by the upper part of the postcentral sulcus

Other Uses

• Parietal art, artwork done on cave walls or large blocks of stone
• Parietal callus, feature of the shell anatomy of some groups of snails
• Parietal eye, "third eye" of some animal species
• Parietal scales of a snake lie in the general region of the parietal bone
• Parietal wall, part of the margin of the aperture of a snail shell
• The term may also refer to an extension of bone, popularly known as a neck frill, on the skulls of dinosaurs of the suborder Marginocephalia

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