Category: B

Major conductive pathways of the heart involved in coordination of the heart muscle.  

Ring-like muscle around the mouth used in smiling, compression of the cheeks, and chewing food.  

Innermost surface of the facial cheek. The lining of the cheeks of the oral cavity. It is characterized by stratified squamous nonkeratinized epithelium that may become keratinized in local areas due to cheek-biting. It may also contain ectopic sebaceous glands.  

Cheek; plural is buccae.  

Acute inflammation of the bronchioles and alveoli that produces congestion.  

The smaller divisions of the bronchial tree that terminate at the alveoli in the lungs. An acute or chronic inflammation of the bronchial tubes. Small airways in the lungs that branch off the bronchi (large tubes) within the lung. The bronchioles terminate in clusters of air sacs called alveoli, deep within lung tissue. A subdivision…

Abnormal widening or dilatation of the bronchi or bronchioles as a result of inflammatory disease or obstruction.  

Airway passage branching off the trachea to the right and left lung fields. The two main branches leading from the trachea to the lungs, providing a passageway for air. The trachea divides opposite the third thoracic vertebra into the right and left main bronchi. The point of division, called the carina trachea, is the site…

Having an abnormally short neck.  

Compression of an arteriovenous fistula that slows the heart rate. In a patient with an arteriovenous fistula, the slowing of the heart rate that occurs when the fistula is compressed.