synarthrosis

American  

[sin-ahr-throh-sis] / ˌsɪn ɑrˈθroʊ sɪs /

noun

Anatomy.

plural

synarthroses

1. immovable articulation; a fixed or immovable joint; suture.

---

synarthrosis British  

/ ˌsɪnɑːˈθrəʊsɪs /

noun

1. anatomy any of various joints which lack a synovial cavity and are virtually immovable; a fixed joint

---

Other Word Forms

• synarthrodial adjective
• synarthrodially adverb

Etymology

Origin of synarthrosis

1570–80; < New Latin < Greek synárthrōsis, equivalent to synarthrō- (variant stem of synarthroûsthai to be joined by articulation, equivalent to syn- syn- + árthro ( n ) joint + -esthai infinitive suffix) + -sis -sis

Example Sentences

A synarthrosis is a joint that is immovable.

From Textbooks • Jun. 9, 2022

Thus, skull sutures are functionally classified as a synarthrosis, although some sutures may allow for slight movements between the cranial bones.

From Textbooks • Jun. 19, 2013

Due to the immobility of a gomphosis, this type of joint is functionally classified as a synarthrosis.

From Textbooks • Jun. 19, 2013

Due to the lack of movement between the bone and cartilage, both temporary and permanent synchondroses are functionally classified as a synarthrosis.

From Textbooks • Jun. 19, 2013

Gomphō′sis, a kind of synarthrosis or immovable articulation, as of the teeth in the jaw.

From Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) by Various