a structure resembling a bag in an animal

of or relating to a normal cyst (as the gallbladder or urinary bladder)

of or relating to a normal cyst (as the gallbladder or urinary bladder)

either of the two dilated ends of the lacrimal ducts at the nasal ends of the eyes that fill with tears secreted by the lacrimal glands

a netlike structure in the cytoplasm of animal cells (especially in those cells that produce secretions)

(pathology) an elevation of the skin filled with serous fluid

any small spherical group of cells containing a cavity

an artificially made microscopic vesicle into which nucleic acids can be packaged; used in molecular biology as a transducing vector