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Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus V: Skeletal Systems: Duplication of the Great Toe

Illustrated Encyclopedia of Human Anatomic Variation: Opus V: Skeletal Systems

Wrist and Hand: Part 1 of 5

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD

Peer Review Status: Internally Peer Reviewed


Figure 1:Radialis externum. Right (a) self-standing, coalesced with the navicular (scaphoid).

Figure 2:Radialis externum. (Rad. Ext.) coalesced with navicular (scaphoid) articulated with trapezium.

Figure 3:Carpus of an adult male orangutan, dorsal view. Styloid fused with capitate. Centrale file standing. Cap.-capitate, Nav.-navicular (scaphoid), Lun.-lunate, Tri.-triquetrum, Pisif.-pisiform, ham.-hamate.

Figure 4:Centrale with marked dorsal surface. a.-right, b.-left hand, Nav.-scaphoid, Triq.-triquetrum, Lun.-lunate.

Figure 5:Centrale. Right, free standing; left not developed. Navicular=scaphoid. a1-Right navicula (scaphoid) with centrale in-situ. a2-volar surface of centrale.

Figure 6:Centrale. a.-right hand, b.-left, with centrale bipartite.

Figure 7:Centrale and naviculare (scaphoid) bipartite.

Figure 8:Naviculare (scaphoid) imperfecte bipartite. Figure 9:Naviculare (scaphoid) imperfecte bipartite.

Figure 10:Centrale, incomplete and fused with the navicular (scaphoid).

Figure 11:Centrale, marked off from the naviculare (scaphoid).

Figure 12:Centrale, part of the navicular (scaphoid).

Figure 13:Centrale, part of the navicular (scaphoid) imperfecte bipartitum.

Figure 14:Epilunatum, coalesced with lunate. Metastyloid synostosed with the trapazoid, and articulating with the capitate and metacarpal III.

Figure 15:Epilunatum, synostosed with lunate. Cap.-capitate, Nav.-navicular (scaphoid).

Figure 16:Epilunatum, synostosed with lunate.

Figure 17:Epilunatum, bound to lunate.

Figure 18:Hypolunatum, synostosed with the lunate.

Figure 19:Hypolunatum, joined to the lunate. a.-dorsal, b.-volar view.

Figure 20:Hypolunatum, coalesced with lunate. Volar view.

Figure 21:Epipyramis. Right (a) synostosed with triquetrum left (b) coalesced with triquetrum.

Figure 22:Triquetrum secondarium (s. triangulare). Proc. styl. ulnae-Styoloid process of ulna, Lun.-lunate, Triq.-triquetrum.

Figure 23:Ulno-carpais articulation. The styloid process of ulna articulates with triquetrum and with pisiform.

Figure 24:Pisiform secondarium fused with pisiform. a.-right, b.-left pisiforme.

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