Parietal (literally: "pertaining or relating to walls") is an adjective used predominantly for the

parietal lobe The parietal lobe is one of the four major lobes of the cerebral cortex in the brain of mammals. The parietal lobe is positioned above the temporal lobe and behind the frontal lobe and central sulcus. The parietal lobe integrates sensory informa ...

and other relevant anatomy Parietal may also refer to:

Human anatomy

Brain

*The

is found in all mammals. The human brain has a number of connected, related, and proximal suborgans and bones which contain the "parietal" in their names. **

Inferior parietal lobule The inferior parietal lobule (subparietal district) lies below the horizontal portion of the intraparietal sulcus, and behind the lower part of the postcentral sulcus. Also known as Geschwind's territory after Norman Geschwind, an American neuro ...

, below the horizontal portion of the intraparietal sulcus and behind the lower part of the postcentral sulcus ** Parietal operculum, portion of the parietal lobe on the outside surface of the brain **

Parietal pericardium The pericardium, also called pericardial sac, is a double-walled sac containing the heart and the roots of the great vessels. It has two layers, an outer layer made of strong connective tissue (fibrous pericardium), and an inner layer made o ...

, double-walled sac that contains the heart and the roots of the great vessel **

Posterior parietal cortex The posterior parietal cortex (the portion of parietal neocortex posterior to the primary somatosensory cortex) plays an important role in planned movements, spatial reasoning, and attention. Damage to the posterior parietal cortex can produce a ...

, portion of parietal neocortex posterior to the primary somatosensory cortex ** Superior parietal lobule, bounded in front by the upper part of the postcentral sulcus ** Parietal branch of superficial temporal artery, curves upward and backward on the side of the head *

Parietal-temporal-occipital The parietal-temporal-occipital (PTO) association area is located in the cerebral cortex which is bounded by the anterior somatic association area and posterior visual cortex of the human brain. As its name implies, the PTO includes portions of t ...

(PTO), includes portions of the parietal, temporal, and occipital lobes *

Parietal bone The parietal bones () are two bones in the skull which, when joined at a fibrous joint, form the sides and roof of the cranium. In humans, each bone is roughly quadrilateral in form, and has two surfaces, four borders, and four angles. It is named ...

, of the skull **

Parietal foramen (disambiguation) "Parietal foramen" may refer to: * Pineal foramen, a midline hole in the skull roof which hosts the parietal eye in many vertebrate species * Parietal foramina A parietal foramen is an opening in the skull for the parietal emissary vein, which dra ...

Parietal eminence The parietal eminence (parietal tuber, parietal tuberosity) is a convex, smooth eminence on the external surface of the parietal bone of the skull. It is the site where intramembranous ossification of the parietal bone begins during embryological d ...

, external surface of the parietal bone

Other

Parietal cell Parietal cells (also known as oxyntic cells) are epithelial cells in the stomach that secrete hydrochloric acid (HCl) and intrinsic factor. These cells are located in the gastric glands found in the lining of the fundus and body regions of ...

, in the stomach *

Parietal placentation Placentation refers to the formation, type and structure, or arrangement of the placenta. The function of placentation is to transfer nutrients, respiratory gases, and water from maternal tissue to a growing embryo, and in some instances to remove ...

, refers to the formation, type and structure, or arrangement of placentas *

Parietal pleura The pulmonary pleurae (''sing.'' pleura) are the two opposing layers of serous membrane overlying the lungs and the inside of the surrounding chest walls. The inner pleura, called the visceral pleura, covers the surface of each lung and dips ...

, attached to the wall of the thoracic cavity

Non-human anatomy

Parietal callus A parietal callus is a feature of the shell anatomy of some groups of snails, i.e. gastropods. It is a thickened calcareous deposit which may be present on the parietal wall of the aperture of the adult shell. The parietal wall is the margin o ...

, feature of the shell anatomy of some groups of snails *

Parietal eye A parietal eye, also known as a third eye or pineal eye, is a part of the epithalamus present in some vertebrates. The eye is located at the top of the head, is photoreceptive and is associated with the pineal gland, regulating circadian rhyth ...

, "third eye" of some animal species *

Parietal scales Parietal scale refers to the scales of a snake which are on the head of the snake and are connected to the frontals towards the posterior. These scales are analogous to and take their name from the parietal bone which forms the roof and sides of ...

, the scales on the head of the snake *

Parietal wall In the shell of gastropod mollusks (a snail shell), the lip is the free margin of the peristome (synonym: peritreme) or aperture (the opening) of the gastropod shell. In dextral (right-handed) shells (most snail shells are right-handed), the rig ...

, part of the margin of the aperture of a snail shell *The

neck frill A neck frill is the relatively extensive margin seen on the back of the heads of reptiles with either a bony support such as those present on the skulls of dinosaurs of the suborder Marginocephalia or a cartilaginous one as in the frill-neck ...

on the skulls of dinosaurs of the suborder Marginocephalia

Other

Parietal art In archaeology, rock art is human-made markings placed on natural surfaces, typically vertical stone surfaces. A high proportion of surviving historic and prehistoric rock art is found in caves or partly enclosed rock shelters; this type also m ...

, art on natural cave surfaces {{disambiguation