Illustrated Encyclopedia of Human Anatomic Variation: Opus V: Skeletal Systems
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
Figure 25:Free bone piece on the dorsal surface of trapezium. Seen by Prof. Zuckerkandl in Wein. Paratrapezium? (Epitrapezium?).
Figure 26:Prätrapezium. Articulates on the volar side of trapezium.
Figure 27:Prätrapezium joined to the trapezium.
Figure 28:Prätrapezium fused with trapezium, sharp projection. Nav.-navicular (scaphoid).
Figure 29:Trapezoides secondarium.
Figure 30: Styloid.
a:Right hand. The styloid articulates with trapezoid, capitate, metacarpal II and III. a1: Volar view of the styloid.b:left hand. The styloid articulates with trapezoid, capitate, metacarpal II and III. The navicular (scaphoid) indicated by xis a deep space for a non-developed centrale.
Figure 31:Styloid. Coalesced with metacarpal III.
Figure 32:Styloid, small. Coalesced with metacarpal III.
Figure 33:Styloid. Right selfstanding, left fused with metacarpal III.
a:Right. Coalesced with metacarpal III.b:Left. Fused with metacarpal III.
b1:Metacarpal III. Volar view.
Figure 34:Styloid.
a:Right, selfstanding, coalesced with metacarpal III.b:Left, fused to metacarpal III. Metastyloid? Volar view.
Figure 35:Styloid, joined to metacarpal III. Volar view.
Figure 36:Styloid, joined to metacarpal III. Volar view.
a:Leftb:Right
Figure 37:Large joint between trapezoid and with metacarpal III fused with the styloid. Metastyloid fused with trapezoid.
Figure 38:Metastyloid. Selfstanding, coalesced with the styloid. Styloid fused with metacarpal III. Metacarpal III with metastyloid in-situ.
a:dorsal.b: volar view.
Figure 39:Metastyloid. Metacarpal III articulates with trapezoid and capitate.
Figure 40:Styloid.
a:Right with metacarpal III.b:Left fused with the trapezoid.
Figure 41:Styloid.
a:Right fused with trapezoid.b:Left selfstanding.
Figure 42:Styloid. Fused with trapezoid.
Figure 43:Styloid. Fused with trapezoid.
Figure 44:Styloid.
a:Right with metacarpal III.b:Left fused with capitate.
Figure 45:Styloid. Fused with capitate, coalesced with metacarpal III.
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