Canine Physeal Closures Flashcards
From Thrall's Atlas of Anatomy and Anatomic Variants, 2nd edition. Note: closure times for the skull are the same for cats and dogs
1
Q
Scapula (supraglenoid tubercle)
A
4-7 months
2
Q
Humerus
- Proximal physis
- Medial epicondyle
- Condyle to diaphysis
- Condyle (medial and lateral parts)
A
- Proximal physis: 12-18 months
- Medial epicondyle: 6-8 months
- Condyle to diaphysis: 6-8 months
- Condyle (medial and lateral parts): 6-10 weeks
3
Q
Radius:
- Proximal
- Distal
A
- Proximal: 7-10 months
- Distal: 10-12 months
4
Q
Ulna:
- Anconeal process
- Olecranon tuberosity
- Distal
A
- Anconeal process: < 5 months
- Olecranon tuberosity: 7-10 months
- Distal: 9-12 months
5
Q
Metacarpus/Metatarsus
- MC1 proximal
- MC2-5 distal
A
6-7 months (for all)
6
Q
Phalanges
A
6-7 months
7
Q
Pelvis:
- Acetabulum
- Ischiatic tuberosity
- Ilial crest
- Pubic symphysis
A
- Acetabulum: 3-5 months
- Ischiatic tuberosity: 10-12 months
- Ilial crest: 2-3 years
- Pubic symphysis: 4-5 months
8
Q
Femur:
- Head
- Trochanters
- Distal physis
A
- Head: 8-11 months
- Trochanters: 9-12 months
- Distal physis: 9-12 months
9
Q
Tibia:
- Tibial tuberosity
- Tibial plateau
- Distal physis
- Medial malleolus
A
- Tibial tuberosity: 10-12 months
- Tibial plateau: 9-10 months
- Distal physis: 12-15 months
- Medial malleolus: 3-5 months
10
Q
Fibula:
- Proximal
- Distal
A
Proximal: 10-12 months
Distal: 12-13 months
11
Q
Calcaneus
A
6-7 months
12
Q
Vertebrae
- Cranial physis
- Caudal physis
A
Cranial physis: 7-10 months
Caudal physis: 8-12 months
13
Q
Sacrum and caudal vertebrae
A
7-12 months
