Chapter 7.4: End Of Skeletal System Flashcards
What is the name of the only bone in the arm/ brachium?
Humerus
What bones are found in the forearm/antebrachium?
Radius and ulna
When is the radius and ulna in anatomical terms?
The radius is located on the lateral side (thumb) while ulna is on the medial side (pinky)
What bones in the humerus articulate with eachother?
The head of the humerus goes into the glenoid cavity and fits into the right scapula
Radial head articulates to the humerus
What surface features articulate with eachother in the radius and ulna?
Radius - articulates with the capitulum
Ulna- articulates with the trochlea and the olecranon fossa does too
How many carpal bones are there? (Wrist )
Eight short carpal bones
What does the head of the metacarpals form?
The knuckles
What are the 3 parts of the metacarpal?
Proximal epiphysis, diaphysis and distal epiphysis
How many phalanges in fingers?
14
What’s the difference between thumbs and other fingers?
The thumb only has proximal and distal phalanges while the others have the middle part too
What forms the carpal bones?
4 distal and 4 proximal bones
What bones make up the pelvic girdle, and what this articulate with?
Coxal bones make up the pelvic girdle and this articulates with the sacrum
What are the 3 fused bones of the Coxal bone?
Ilium, ischium and pubis
What surface feature does the acetabulum articulate with?
The head of the femur
What do the ischium and pubis form?
The obturator foramen, through which nerves and blood vessels pass through
What’s the obturator foramen?
Large hole in coxal bone
