squamosal

American  

[skwuh-moh-suhl] / skwəˈmoʊ səl /

adjective

1. Anatomy. of or relating to the thin, scalelike portion of the temporal bone that is situated on the side of the skull above and behind the ear.

2. Zoology. pertaining to a corresponding bone in other vertebrates.

3. squamous.

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noun

1. a squamosal bone.

squamosal British  

/ skwəˈməʊsəl /

noun

1. a thin platelike paired bone in the skull of vertebrates: in mammals it forms part of the temporal bone

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adjective

1. of or relating to this bone

2. a less common word for squamous

Other Word Forms

• supersquamosal adjective

Etymology

Origin of squamosal

1840–50; < Latin squāmōs ( us ) squamous + -al ¹

Example Sentences

In mammals, the dentary bone joins the skull at the squamosal bone, while in other vertebrates, the quadrate bone of the jaw joins with the articular bone of the skull.

From Textbooks • Jan. 1, 2015

It has especially prominent squamosal horns, an especially rugose-looking integument, and a neat, mottled pattern that involves black blotches on a greenish or yellowish ground colour.

From Scientific American • Feb. 22, 2014

The squamosal of R. elegans is nearly triangular and notably different from that of Synaptotylus newelli.

From A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas by Echols, Joan

The posterior arm of the squamosal is broad, rounded terminally, and articulates with the proötic medially.

From The Systematics of the Frogs of the Hyla Rubra Group in Middle America by león, Juan R.

The dorsal end of the ventral arm of the squamosal and the posterior arm of the squamosal ossify as a unit at the same time the quadratojugal appears.

From Neotropical Hylid Frogs, Genus Smilisca by Duellman, William E.