Library / English Dictionary |
ACINUS
Pronunciation (US): | (GB): |
Irregular inflected form: acini
I. (noun)
Sense 1
Meaning:
One of the small sacs or saclike dilations in a compound gland
Classified under:
Hypernyms ("acinus" is a kind of...):
sac (a structure resembling a bag in an animal)
Holonyms ("acinus" is a part of...):
gland; secreter; secretor; secretory organ (any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream)
Derivation:
acinar; acinic; acinous (pertaining to one of the small sacs (as in a compound gland))
Sense 2
Meaning:
One of the small drupes making up an aggregate or multiple fruit like a blackberry
Classified under:
Hypernyms ("acinus" is a kind of...):
drupelet (a small part of an aggregate fruit that resembles a drupe)
Derivation:
acinar (pertaining to the individual parts making up an aggregate fruit like a blackberry)
Context examples:
A columnar cell lesion characterized by the presence of enlarged terminal ductal lobular units with dilated acini.
(Columnar Cell Change of the Breast, NCI Thesaurus)
Breast adenosis characterized by the proliferation of acini, a lobulated architectural pattern, and stromal sclerosis.
(Breast Sclerosing Adenosis, NCI Thesaurus)
A benign neoplastic proliferation of glandular units (acini) with a non-invasive, expansile margin.
(Adenoma of the Mouse Mammary Gland, NCI Thesaurus/MMHCC)
Secretions are often present in the lumina of the dilated acini.
(Columnar Cell Hyperplasia of the Breast, NCI Thesaurus)
A secreting cell that lines an acinus (i.e. a small sac or sac-like structure).
(Acinar Cell, NCI Thesaurus)
An enzyme producing region of the pancreatic tissue containing the pancreatic acini and exocrine intralobular ducts which collectively secrete the digestive enzymes into the main pancreatic duct to drain into the duodenal part of the small intestine.
(Exocrine Pancreas, NCI Thesaurus)
Prostatic intraepithelial neoplasia characterized by the presence of morphologically malignant cells lining the acini and ducts.
(High Grade Prostatic Intraepithelial Neoplasia, NCI Thesaurus)
The acini are lined by one or two layers of columnar epithelial cells.
(Columnar Cell Change of the Breast, NCI Thesaurus)
The acini are lined by more than two layers of columnar epithelial cells.
(Columnar Cell Hyperplasia of the Breast, NCI Thesaurus)
Secretions may be present in the lumina of the dilated acini.
(Columnar Cell Change of the Breast, NCI Thesaurus)