Abnormal enlargement of the liver often due to disease or infection.

A reflex mediated by a slowly adapting receptor known as a pulmonary stretch receptor. The reflex provides expiratory facilitation by reducing the period of expiration following marked deflation of the lung. SEE slowly adapting receptor.

A disease caused by Varicella-Zoster virus, the same virus that causes chickenpox. The virus is latent and then reactivated, possibly by stress, causing a new outbreak of the virus with vesicles similar to chickenpox except the infection follows cutaneous sensory nerves, causing nerve infections and pain; also called shingles.

Unit of frequency; 1 Hz equals one cycle per second.

Hepatitis E Virus

High-Frequency Jet Ventilation

High-Frequency Oscillation

High-Frequency Oscillatory Ventilation.

High-Frequency Positive-Pressure Ventilation

High-Frequency Percussive Ventilation