Definitions for "Ascus"
A small membranous bladder or tube in which are inclosed the seedlike reproductive particles or sporules of lichens and certain fungi.
(ass´ cuss) [Gr. askos: bladder] • In fungi belonging to the phylum Ascomycota (the sac fungi), the club-shaped sporangium within which spores (ascospores) are produced by meiosis.
a sac like structure that contains ascospores
Atypical Cells of Undetermined Significance. The term is used to define a group of squamous cell abnormalities in cervical cells that cannot be explained on the basis of inflammatory or reactive processes, but lack the criteria for a diagnosis of LGSIL. ASCUS is the "gray zone" of Pap Smear diagnosis.
Atypical squamous cells of undetermined significance. These are minor epithelial cell changes whose nature is uncertain but which may result from inflammation and repair processes, human papilloma virus (HPV) effect or minor squamous or glandular intraepithelial neoplasia
Atypical Squamous Cells of Uncertain Significance