Capitate bone: Difference between revisions

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-{{Infobox Bone |
-  Name          = Capitate bone |
-  Latin         = os capitatum; os magnum |
-  GraySubject   = 54 |
-  GrayPage      = 226 |
-  Image         = Carpus.png |
-  Caption       = '''BONES OF HAND'''<BR>''Proximal:'' A=[[Scaphoid bone|Scaphoid]], B=[[Lunate bone|Lunate]], C=[[Triquetral bone|Triquetral]], D=[[Pisiform bone|Pisiform]]<BR>''Distal:'' E=[[Trapezium bone|Trapezium]], F=[[Trapezoid bone|Trapezoid]], G=Capitate, H=[[Hamate bone|Hamate]]<BR> |
-  Image2        = Gray227.png |
-  Caption2      = The left capitate bone |
-  Origins       = |
-  Insertions    = |
-  Articulations = |
-  MeshName      = Capitate+Bone |
-  MeshNumber    = A02.835.232.087.319.150.150 |
-  DorlandsPre   = o_07 |
-  DorlandsSuf   = 12598140  |
-}}
-The '''capitate bone''' is a [[bone]] in the [[human]] [[hand]]. The capitate bone is the largest of the [[carpal]] bones, and occupies the center of the wrist. It presents, above, a rounded portion or head, which is received into the concavity formed by the [[scaphoid]] and [[lunate bone]]s; a constricted portion or neck; and below this, the body. The bone is also found in many other mammals, and is [[homology (biology)|homologous]] with the "third distal carpal" of reptiles and amphibians.
-The etymology derives from the Latin ''capitātus'', "having a head," from ''capit-'', meaning "head."
-==Surfaces==
-The ''superior surface'' is round, smooth, and articulates with the [[lunate bone]].
-The ''inferior surface'' is divided by two ridges into three facets, for articulation with the second, third, and fourth [[metacarpal bone]]s, that for the third being the largest.
-The ''dorsal surface'' is broad and rough.
-The ''volar surface'' is narrow, rounded, and rough, for the attachment of ligaments and a part of the [[Adductor pollicis muscle]].
-The ''lateral surface'' articulates with the lesser multangular by a small facet at its anterior inferior angle, behind which is a rough depression for the attachment of an interosseous [[ligament]]. Above this is a deep, rough groove, forming part of the neck, and serving for the attachment of ligaments; it is bounded superiorly by a smooth, convex surface, for articulation with the navicular.
-The ''medial surface'' articulates with the hamate by a smooth, concave, oblong facet, which occupies its posterior and superior parts; it is rough in front, for the attachment of an interosseous ligament.
-== Articulations ==
-The capitate articulates with seven bones: the [[scaphoid bone|scaphoid]] and [[lunate bone|lunate]] proximally, the [[second metacarpal]], [[third metacarpal]], and [[fourth metacarpal]] distally, the lesser multangular on the radial side, and the hamate on the ulnar side.
-== See also ==
-*[[Bone#Terminology|Bone terminology]]
-*[[Terms for anatomical location]]
-==Additional images==
-<gallery>
- Image:Capitatum_ant.jpg|Os capitatum of the left hand, palmar surface
- Image:Capitatum_post.jpg|Os capitatum of the left hand, dorsal surface
- Image:Gray219.png|Bones of the left hand. Volar surface.
- Image:Gray220.png|Bones of the left hand. Dorsal surface.
- Image:Gray422.png|Transverse section across the wrist and digits.
-</gallery>
-{{Gray's}}
-{{Bones of upper extremity}}
-[[Category:Skeletal system]]
-[[Category:Wrist]]
-[[ar:العظم الكبير]]
-[[cs:Hlavatá kost]]
-[[de:Kopfbein]]
-[[es:Grande del carpo]]
-[[eu:Karpoko hezur handi]]
-[[fr:Os capitatum]]
-[[hr:Glavičasta kost]]
-[[it:Capitato]]
-[[hu:Fejescsont]]
-[[nl:Os capitatum]]
-[[pl:Kość główkowata]]
-[[pt:Osso capitato]]
-[[ru:Головчатая кость]]
-[[sk:Hlavičkatá kosť]]
-[[sh:Glavičasta kost]]
-[[th:กระดูกแคปปิเตต]]