parietal

Definitions

  • WordNet 3.6
    • adj parietal of or relating to or associated with the parietal bones in the cranium "parietal lobe"
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Webster's Revised Unabridged Dictionary
    • Parietal (Bot) Attached to the main wall of the ovary, and not to the axis; -- said of a placenta.
    • Parietal Of or pertaining to a wall; hence, pertaining to buildings or the care of them.
    • Parietal (Anat) Of or pertaining to the parietes.
    • Parietal (Anat) Of, pertaining to, or in the region of, the parietal bones, which form the upper and middle part of the cranium, between the frontals and occipitals.
    • Parietal (Anat) One of the parietal bones.
    • Parietal (Zoöl) One of the special scales, or plates, covering the back of the head in certain reptiles and fishes.
    • Parietal Resident within the walls or buildings of a college. "At Harvard College, the officers resident within the college walls constitute a permanent standing committee, called the Parietal Committee."
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Century Dictionary and Cyclopedia
    • parietal Pertaining to a wall.
    • parietal Pertaining to buildings or the care of them; resident within the walls or buildings of a university or college, or having charge over the buildings and the conduct of the students, etc., of a university or college.
    • parietal In anatomy and zoology, specifically, pertaining to the walls of a cavity of the body, in distinction from its contents: opposed to visceral: as, parietal and visceral reflections of the peritoneum.
    • parietal In botany, pertaining to or arising from a wall: usually applied to ovules when they proceed from or are borne on the walls or sides of the ovary.
    • parietal Superior, the superior parietal lobule.
    • parietal Ascending, the posterior central convolution; the convolution lying immediately back of the fissure of Rolando. See cut under cerebral.
    • parietal In herpetology, an unossified space in the roof of the skull of some reptiles, especially in Lacertilia, along the sagittal or coronal suture.
    • parietal Superior, that convolution of the parietal lobe which lies above the intraparietal sulcus and behind the upper part of the posterior central convolution.
    • n parietal In anatomy, one of a pair of bones of the cranium, right and left, developed in membrane, forming a part of the top and sides of the brain-box, between the occipital and the frontal bone. They are greatly expanded in man and a few other animals. These bones together constitute, along with the alisphenoid and basisphenoid, the second cranial segment. See cut in next column, and cuts under Crocodilia, Felidæ, and skull.
    • n parietal Specifically, in fishes, a superior lateral bone of the cranium. In some forms it articulates with its fellow of the opposite side in front of the supraoccipital; in others it lies on one side of the latter bone remote from its fellow. Posteriorly it overlies the epiotic; at its outer edge it articulates with the pterotic.
    • n parietal Same as parietal shield.
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Chambers's Twentieth Century Dictionary
    • adj Parietal pa-rī′et-al pertaining to a wall or walls: :
    • n Parietal one of the bones of the skull
    • adj Parietal pa-rī′et-al (anat.) forming the sides
    • adj Parietal pa-rī′et-al (bot.) growing from the inner lining of an organ, and not from the axis, as seeds in the ovary
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Etymology

Webster's Revised Unabridged Dictionary
L. parietalis, fr. paries, -ietis, a wall: cf. F. pariétal,. Cf. Parietary Pellitory
Chambers's Twentieth Century Dictionary
L. parietalisparies, parietis, a wall.

Usage

In literature:

Its parietes were, in every part, very much thickened and hardened.
"Cases of Organic Diseases of the Heart" by John Collins Warren
The right parietal bone was dented very slightly for a space nearly as broad as a penny.
"The Pools of Silence" by H. de Vere Stacpoole
Parietal Bone: Pond Fracture.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
A five-alarm fire has broken out in the Parietal region.
"The Brain" by Alexander Blade
It runs forward in the parietal lobe above and in the temporal lobe below.
"Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4" by Various
In this case the ovary is unilocular, and the placentas are parietal.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5" by Various
This organ is situated at the inferior range of the parietal bone.
"Christian Phrenology" by Joseph Bunney
The parietal muscles are not developed in the Phylactolaemata, the most highly specialized group of freshwater polyzoa.
"Freshwater Sponges, Hydroids & Polyzoa" by Nelson Annandale
Anteromedially, the parietal forms the roof and posterior margin of the optic foramen.
"A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America)" by John Wellman
This is the parietal point, situated a little above the parietal eminence.
"Neuralgia and the Diseases that Resemble it" by Francis E. Anstie
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In news:

Sir—With respect to Einstein's right hemisphere, A M Galaburda agrees with our report that there is no parietal operculum, but suggests that this finding is commonplace.
A Higher Order Motion Region in Human Inferior Parietal Lobule.
A 22-year-old black female presented to the emergency department complaining of a bi-parietal headache for ten days relieved by salicylates.
Now that I no longer teach at a residential campus, I rarely think about what used to be called in loco parentis, otherwise known as "parietals" or "colleges acting like parents.
CT scans of a 2,400-year-old female mummy revealed a tubular object embedded in its skull between the brain 's left parietal bone and the resin-filled back of the skull.
"Although the overall size and asymmetrical shape of Einstein 's brain were normal, the prefrontal, somatosensory, primary motor, parietal, temporal and occipital cortices were extraordinary," says Falk.
CT scans of a 2,400-year-old female mummy revealed a tubular object embedded in its skull between the brain's left parietal bone and the resin filled back of the skull.
Have students use a map of the brain and brain stem to locate these regions: frontal lobe, parietal lobe, occipital lobe, temporal lobe, cerebellum, and brain stem.
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In science:

In bilateral posterior parietal regions, greater activation was associated with processing of visual scenes regardless of the memory judgment.
Human Information Processing with the Personal Memex
During encoding, it was observed that there was greater prefrontal, hippocampal, and parietal activation for associations, but no significant activation was observed for items at the selected threshold.
Human Information Processing with the Personal Memex
Jay; Marois, René; “Posterior parietal cortex activity predicts individual differences in visual short-term memory capacity.” Cognitive, Affective & Behavioral Neuroscience, Vol 5(2), Jun 2005, pp. 144.
Human Information Processing with the Personal Memex
An individual-differences analysis revealed a significant correlation between posterior parietal cortex (PPC) activity and individuals' VSTM storage capacity.
Human Information Processing with the Personal Memex
Figure 6, left, shows an axial slice from the activation map before thresholding, with clear activations in the bilateral anterior cingulate (upper middle), bilateral parietal (lower left and right) and right precentral (upper right) regions, all known to be involved in number processing .
Random threshold for linear model selection, revisited
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