Egusi (C. lanatus) is a wild melon, similar in appearance to the watermelon. The flesh is inedible, but the seeds are a valuable food source in Africa. Other species that have the same culinary role, and that are also called egusi include Cucumeropsis mannii and Lagenaria siceraria.
2. alveolitis-inflammation of the alveoli in the lungs caused by inhaling dust; with repeated exposure the condition may become chronic. farmer's lung, thresher's lung-alveolitis caused by an allergic reaction to fungal spores in the dust that is inhaled from moldy hay.
An alveolus is an anatomical structure that has the form of a hollow cavity and is found in the lung parenchyma (tissue inside the lung). The pulmonary alveoli are the terminal ends of the respiratory tree that outcrop from either alveolar sacs or alveolar ducts; both are sites of gas exchange.