Glossary: U
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Unilocular: one cavity. Unilocular adipocytes are a type of adipocytes that form the white fat. They contain only one large lipid droplet in the cytoplasm for storing fat. In histological samples white fat adipocytes look like having only one large cavity, that is why the name unilocular adipocytes.
Utricle: (in the inner ear) it is a cavity of the inner ear vestibule that is connected with the membranous labyrinth of the semicircular canals. The utricle and semicircular canals form the vestibular labyrinth. There are receptors in the utricle epithelium sensing gravity and head linear acceleration.
Uvea: it is the structure compose of the ciliary body, choroid and iris. The uvea is also known as vascular tunic.