Definition of casual for Students. 1  1 : happening unexpectedly or by chance : not planned or foreseen a casual meeting. 2  2 : occurring without regularity : occasional casual visits. 3  3 : showing or feeling little concern : nonchalant This is awful!  4 : meant for informal use Wear casual clothing for the tour.
Fungemia or fungaemia is the presence of fungi or yeasts in the blood . The most common type, also known as candidemia, candedemia, or systemic candidiasis , is caused by Candida species, but infections by other fungi, including Saccharomyces , Aspergillus and Cryptococcus , are also called fungemia.
One of the most common causes of alopecia is mange, which caused by the mite Demodex. Hair loss can also occurs when there is a disruption in the growth of hair follicles, often from infection, trauma, an immune disease, or endocrine system abnormalities.