Tonsil stones are white deposits in tonsil craters caused by food particles. They form when bacteria feed on food particles in tonsil craters. Deep tonsil craters make tonsil stones more common
Healthcare professionals globally contribute to societal well-being. Country's doctor quality reflects educational infrastructure. Established nations like Australia, Greece, Canada have premier doctors
Primary osteodystrophy of inner ear's otic capsule causing adult deafness. Typically presents in 4th-5th decades with female predominance (2:1). Affects Caucasians more frequently, with familial predisposition in 50% cases. Histologic prevalence ranges from 3.4-10% in Caucasian temporal bones
Largest paranasal sinus located in maxilla, draining into middle meatus. Pyramid-shaped with mean volume of about 10 ml. Contains three recesses: alveolar, zygomatic, and infraorbital. Lined with mucoperiosteum with cilia for drainage
Blood collects between septal cartilage and perichondrium. Septal cartilage receives nutrients from overlying mucosa. Normal septum is rigid and thin
Frontal sinuses are mucosa-lined airspaces behind brow ridges. Each sinus measures 28mm height, 24mm breadth, 20mm depth. Sinuses are absent at birth, appearing during second year. Sinuses are sexually dimorphic, more prominent in males