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symphysis

American  
[sim-fuh-sis] / ˈsɪm fə sɪs /

noun

Anatomy, Zoology.
symphyses plural
  1. the growing together, or the fixed or nearly fixed union, of bones, as that of the two halves of the lower jaw in humans or of the pubic bones in the anterior part of the pelvic girdle.

  2. a line of junction or articulation so formed.


symphysis British  
/ sɪmˈfɪstɪk, ˈsɪmfɪsɪs, sɪmˈfɪzɪəl /

noun

  1. anatomy botany a growing together of parts or structures, such as two bony surfaces joined by an intermediate layer of fibrous cartilage

  2. a line marking this growing together

  3. pathol an abnormal adhesion of two or more parts or structures

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of symphysis

1570–80; < New Latin < Greek sýmphysis a growing together, equivalent to sym- sym- + phýsis, equivalent to phy-, stem of phȳ́ein to grow ( see be) + -sis -sis

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

"When I saw the incomplete mandibular symphysis, I was genuinely excited," says Professor Benoit.

From Science Daily Apr. 14, 2026

Specifically, "These features include the presence of four post-canine teeth, a larger lower canine, and a fused and short mandibular symphysis," according to a press release.

From Salon Aug. 15, 2024

The inverted V-shape formed as the ischiopubic rami from both sides come together at the pubic symphysis is called the subpubic angle.

From Textbooks Jun. 19, 2013

The width of the intervertebral symphysis is important because it allows for small movements between the adjacent vertebrae.

From Textbooks Jun. 19, 2013

In some runts the symphysis of the lower jaw is remarkably solid.

From The Variation of Animals and Plants Under Domestication, Vol. I. by Darwin, Charles

Cartilaginous joints are joints in which the bones are connected by cartilage; the two types of cartilaginous joints are synchondroses and symphyses.

From Textbooks Jun. 9, 2022

There are two types of cartilaginous joints: synchondroses and symphyses.

From Textbooks Jun. 9, 2022

In symphyses, hyaline cartilage covers the end of the bone but the connection between bones occurs through fibrocartilage.

From Textbooks Jun. 9, 2022

Amphiarthroses are joints that allow slight movement, including syndesmoses and symphyses.

From Textbooks Jun. 9, 2022

This gives symphyses the ability to strongly unite the adjacent bones, but can still allow for limited movement to occur.

From Textbooks Jun. 19, 2013

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