Squamosal

Word SQUAMOSAL
Character 9
Hyphenation squa mo sal
Pronunciations N/A

Definitions and meanings of "Squamosal"

What do we mean by squamosal?

Of or relating to the thin, platelike part of the human temporal bone or to a corresponding part in other vertebrates. adjective

A squamosal bone. noun

Scale-like or squamous: noting only the squamosal, See II.

In zoology and anatomy, the squamous division of the temporal bone; the thin, expansive, scale-like element of the compound temporal bone; a membrane-bone, morphologically distinct from other parts of the temporal, filling a gap in the cranial walls, articulating in man and mammals with the lower jaw, in birds and reptiles with the suspensorium (quadrate bone) of the lower jaw, effecting squamous suture with various cranial bones, and forming by its zygomatic process in mammals a part of the zygoma, or jugal bar. noun

Scalelike; squamous. adjective

Of or pertaining to the squamosal bone. adjective

Of or pertaining to the platelike part of the temporal bone adjective

The platelike part of the temporal bone

Synonyms and Antonyms for Squamosal

  • Antonyms for squamosal
  • Squamosal antonyms not found!

The word "squamosal" in example sentences

The squamosal-parietal contact isn't exactly right, which I tried to fix in the final version. ❋ Traumador (2009)

Only the raised bar along the squamosal/parietal suture, present in T. latus; and the midline epiparietal, absent in T. latus, may discriminate the two species. ❋ ReBecca Foster (2008)

Anyway, within this group, an affinity between Aldabrachampsus and ‘Crocodylus’ robustus is particularly plausible given that both taxa share a vaulted palate and large squamosal crests. ❋ Darren Naish (2006)

A few cranial elements are preserved, including parts of a parietal, squamosal, maxilla, and two dentaries. ❋ ReBecca Foster (2008)

However, its most obvious feature would almost certainly have been the convex crests that grew from the dorsolateral edges of the squamosal bones at the back of its skull. ❋ Darren Naish (2006)

At the same time, notwithstanding the great length of the skull, the sagittal suture is remarkably short (4 1/2 inches), and the squamosal suture is very straight. ❋ Unknown (2007)

Under whatever aspect we view this cranium, whether we regard its vertical depression, the enormous thickness of its supraciliary ridges, its sloped occiput, or its long and straight squamosal suture, we meet with ape-like characters, stamping it as the most pithecoid of human crania yet discovered. ❋ Unknown (2007)

It is true that these bones were very much reduced, so that the squamosal bone of the skull and the dentary bone of the lower jaw the two bones involved in the mammalian jaw articulation were on the point of touching each other. ❋ Unknown (2006)

In later fossils from the same group, however, the quadrate-articular bones have become smaller, and the dentary and squamosal bones have become larger and moved closer together. ❋ Unknown (2006)

In this animal, not only was the ancient reptilian joint between a reduced quadrate and articular still present, but also the new mammalian joint between the squamosal and dentary bones had come into functional being. ❋ Unknown (2006)

In mammals, by contrast, the lower jaw is made up of a single bone, the dentary, which articulates with the squamosal bone in the skull to form the jaw joint. ❋ Unknown (2006)

The therapsid-mammal transition was completed with the appearence of the morganucodonts in the late Triassic: The axes of the two jaw hinges, dentary-squamosal and articular-quadrate, coincide along a lateral-medial line, and therefore the double jaw articulation of the most advanced cynodonts is still present … The secondary dentary-squamosal jaw hinge had enlarged in the morganucodonts and took a greater proportion if not all of the stresses at the jaw articulation. ❋ Unknown (2006)

Current Music: crown me king- "android's squamosal"2 gunslingers | crown me king ❋ Mordicai (2003)

Raymond's fingers touched them as mine did, stroking the long frontal bones, tracing the delicate squamosal arch of the cheek. ❋ Gabaldon, Diana (1992)

The principal characters on which these genera are founded reside in the presence or absence of scales, the presence or absence of eyes, the presence of one or of two series of teeth in the lower jaw, the structure of the tentacle (representing the so-called "balancers" of Urodele larvae) on the side of the snout, and the presence or absence of a vacuity between the parietal and squamosal bones of the skull. ❋ Various (N/A)

Cross Reference for Squamosal

  • Squamosal cross reference not found!

What does squamosal mean?

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