Lecture 4 - Pectoral girdle Flashcards
What part of the skeleton make up the pectoral girdle?
Coracoid, scapula, and clavicle
What part of the skeleton makes up the brachium?
Humerus
What part of the skeleton makes up the ante brachium?
Radius and ulna
What part of the skeleton makes up the carpus?
carpal bones
What part of the skeleton makes up the metacarpus?
metacarpal bones
What part of the skeleton makes up the digits?
Proximal, middle, and distal phalanges
Cingulum
shoulder
Stylopodium
brachium
Zeugopodium
antebrachium
Autopodium
manus
Basipodium
carpus
Metapodium
metacarpus
Acropodium
digit
What animals have complete pectoral girdles?
reptiles, birds, and monotremes
What is the structure of the pectoral girdle in MOST animals?
coracoid is reduced to a coracoid process
What is the clavicle like in cursorial quadrupedal mammals?
reduced or absent , no bony attachment of limb to pelvis
What is different about the scapula in a horse?
Dorsal aspect is extended by cartilage
Spine does not terminate at acromion process
Tuber spinae
What is the tuber spinae?
Thickened middle portion of the spine
What goes through the supracondylar foramen?
Brachial artery and medial nerve
What is different about the humerus of the horse?
Greater tubercle - cranial and caudal portion
Intermediate tubercle
Why is the shoulder joint in domestic animals restricted?
Due to the extensive muscling around the joint
In what way is the shoulder joint in domestic animals restricted?
sagittal excursions