Bi 151 | EXAM 3 - UNIT 8: APPENDICULAR SKELETON, CARPALS/METACARPALS/PHALANGES

What are the wrist bones called?

Carpals

Which carpal bone is boat-shaped and often the one broken in fractures?

Scaphoid

Which carpal bone is moon-shaped?

Lunate

Which carpal bone is three-cornered?

Triquetrum

Which carpal bone is pea-shaped?

Pisiform

Which carpal bone is four-sided with no two sides parallel?

Trapezium

Which carpal bone is four-sided with two sides parallel?

Trapezoid

Which carpal bone is head-shaped?

Capitate

Which carpal bone is hooked?

Hamate

What are the joints between carpal bones called?

Intercarpal joints

What are the palm bones called and how are they numbered?

Metacarpals, numbered I-V, starting with the thumb

What do the bases of the metacarpals articulate with?

Carpal bones, forming carpometacarpal joints

What do the heads of the metacarpals articulate with?

Phalanges, forming metacarpophalangeal joints

What are the finger bones called?

Phalanges

How are the digits of the hand numbered?

I-V, starting with the thumb

Which digit has only proximal and distal phalanges?

Thumb (pollex)

Which digits have proximal, middle, and distal phalanges?

All digits except the thumb

What are the joints between phalanges called?

Interphalangeal joints