sutural

Wormian bones; (Sutural bones)
	Wormian bones compared to a normal skull
	Skull of a 21-year-old man with Wormian bones
Details
Latin	Ossa suturale
Identifiers
Gray's	p.156
TA	A02.1.00.043
FMA	59327
	Anatomical terms of bone

縫合の

関: suture

WordNet

join with a suture; "suture the wound after surgery"
a seam used in surgery (同)surgical seam
thread of catgut or silk or wire used by surgeons to stitch tissues together
an immovable joint (especially between the bones of the skull) (同)sutura, fibrous joint

PrepTutorEJDIC

〈U〉(傷口などの)縫合 / 〈C〉縫合糸;(傷口などの)縫い目

Wikipedia preview

出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/06/26 10:08:46」(JST)

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[Wiki en表示]

Wormian bones, also known as intra sutural bones,^[1] are extra bone pieces that occur within a suture in the cranium. These are irregular isolated bones that appear in addition to the usual centers of ossification of the cranium and, although unusual, are not rare.^[2] They occur most frequently in the course of the lambdoid suture, which is more tortuous than other sutures. They are also occasionally seen within the sagittal and coronal sutures. A large wormian bone at lambda is often called an Inca bone (Os Incae),^[3] due to the relatively high frequency of occurrence in Peruvian mummies. Another specific wormian bone, the pterion ossicle, sometimes exists between the sphenoidal angle of the parietal bone and the great wing of the sphenoid bone.^[4] They tend to vary in size and can be found on either side of the skull. Usually, not more than several are found in a single individual, but more than one hundred have been found in the skull of a hydrocephalic adult.

Wormian bones are a marker for some diseases and important in the primary diagnosis of brittle bone disease: osteogenesis imperfecta.^[5]

Wormian bones may also be seen in:

Pycnodysostosis
Osteogenesis imperfecta
Rickets
"Kinky-hair" Menke's syndrome
Cleidocranial dysostosis
Hypoparathyroidism and hypophosphatasia
Otopalatodigital syndrome
Primary acro-osteolysis
Down's syndrome

The causes can be remembered by the mnemonic "PORKCHOPS".^[6]

Derivation of the name

Wormian bones are named for Ole Worm, professor of anatomy at Copenhagen, 1588–1654. He taught Latin, Greek, physics and medicine. His description of the extra-sutural bones contributed to the science of embryology.

Additional image

Wormian bones at lambdoid suture.

References

^ <radiopaedia.org/articles/wormian-bones>Saladin, Kenneth (August 2006). Anatomy & Physiology: The Unity of Form & Function (4th ed.). McGraw-Hill. ISBN 0-07-331608-3.
^ Gray, Henry; Warren Harmon Lewis (1918). Anatomy of the Human Body. Lea & Febiger.
^ Parente, K; Mercado-Deane, MG; Brummund, T (2001). "Radiological Case of the Month". Archives of pediatrics & adolescent medicine 155 (6): 731–2. doi:10.1001/archpedi.155.6.731. PMID 11386967. Retrieved 2008-11-02.
^ Dr. Akram Abood Jaffar. "Sutural bones". Archived from the original on 2009-10-25.
^ Glorieux FH, "Osteogenesis Imperfecta," Best Practice & Research Clinical Rheumatology. 22:1, pp. 85-100. 2008
^ Wormian Bones: Differential Diagnosis #6, The Radiology Blog, published April 27, 2012

External links

Google Books:Anatomy of the Human Body
00426 at CHORUS

1543897135 at GPnotebook
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5. Postpartum sterilization

English Journal

A bidirectional interface growth model for cranial interosseous suture morphogenesis.

Zollikofer CP, Weissmann JD.SourceAnthropological Institute, University of Zurich, Zurich, Switzerland.
Journal of anatomy.2011 May 4. doi: 10.1111/j.1469-7580.2011.01386.x. [Epub ahead of print]
Interosseous sutures exhibit highly variable patterns of interdigitation and corrugation. Recent research has identified fundamental molecular mechanisms of suture formation, and computer models have been used to simulate suture morphogenesis. However, the role of bone strain in the development of c
PMID 21539540

PMID 21529353

Japanese Journal

陳旧性外傷性下直筋断裂に下直筋縫合が有効であった1例 (第66回日本弱視斜視学会(3))

鈴木由美,山田昌和,井之川宗右 [他]
眼科臨床紀要 4(3), 254-258, 2011
NAID 40018755696

腹膜透析施行中に発生した腰部斜切開創腹壁瘢痕ヘルニアの1例

澤崎晴武,岡所広祐
日本透析医学会雑誌 = Journal of Japanese Society for Dialysis Therapy 41(10), 749-752, 2008-10-28
腹膜透析施行中に発生した腰部斜切開創腹壁瘢痕ヘルニアの1例を報告する．症例：60歳，女性．2000年3月，腎硬化症による慢性腎不全のため腹膜透析導入．2006年7月，左腎腫瘍にて腰部斜切開による左腎摘除術を施行．術後より腹膜透析を再開．同年8月の腹部CTにて腰部斜切開創部に腹膜嚢の突出を認めたが，腹膜透析を継続していた．腹膜嚢は徐々に突出し，腹壁瘢痕ヘルニアを呈した．2008年1月，左側腹部痛，嘔 …
NAID 10023974322

Related Pictures

[1] <radiopaedia.org/articles/wormian-bones>Saladin, Kenneth (August 2006). Anatomy & Physiology: The Unity of Form & Function (4th ed.). McGraw-Hill. ISBN 0-07-331608-3.

[2] Gray, Henry; Warren Harmon Lewis (1918). Anatomy of the Human Body. Lea & Febiger.

[3] Parente, K; Mercado-Deane, MG; Brummund, T (2001). "Radiological Case of the Month". Archives of pediatrics & adolescent medicine 155 (6): 731–2. doi:10.1001/archpedi.155.6.731. PMID 11386967. Retrieved 2008-11-02.

[4] Dr. Akram Abood Jaffar. "Sutural bones". Archived from the original on 2009-10-25.

[5] Glorieux FH, "Osteogenesis Imperfecta," Best Practice & Research Clinical Rheumatology. 22:1, pp. 85-100. 2008

[6] Wormian Bones: Differential Diagnosis #6, The Radiology Blog, published April 27, 2012

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