70% of blood supply of scaphoid is by dorsal branch of radial artery
70% of scaphoid bones have arterial foramina through out their length
70% of carpal fractures are scaphoid fractures
70% of scaphoid fractures occur through the waist
70% of scaphoid fractures are detected on initial radiographs
70% proximal scaphoid fractures unite
70% unstable scaphoid fractures unite
Periphery of physis: The physis is connected to the epiphysis and metaphysis peripherally via: Blood supply of physis: There are three sources of blood supply to the physis: the epiphyseal, metaphyseal, and perichondral circulations. Zones of physis: Zones Characteristics Functions Blood supply Diseases Epiphysis Epiphyseal artery Multiple Epiphyseal Dysplasia (MED) Physis 1….
Let’s go back to the 4th week during the development of heart. The primitive intraembryonic coelom forms in the lateral and cardiogenic mesoderm during 4th week of development. Like the heart fields, the intraembryonic coelom has a horse-shoe configuration during this period: A thick mesodermal plate called “septum transversum” lies…
1. Division of Airway: Extrathoracic (Upper) airway: Nose to Upper trachea Intrathoracic (Lower) airway: Lower trachea to Alveoli and lungs Note: Vocal fold is also regarded as the demarcating line between upper and lower respiratory tract 2. Angle of Louis: Junction of body of sternum to manubrium (2nd costal cartilage…