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cypripedium any of various ground-rooted orchids that have flat leaves and bear flowers having pouchlike lip petals, such as the lady's-slipper. [2 definitions]
Cyprus a Mediterranean island country near the southeastern coast of Turkey.
Cyrillic designating or concerning the alphabet used in Russia, Bulgaria, and other Slavic countries.
-cyst sac; cavity; vesicle; bladder.
cyst a fluid-filled vesicle or sac within body tissue, sometimes a pathological development but most often not. [3 definitions]
cystectomy the surgical removal of a cyst, or of all or part of a bladder.
cystic of, resembling, having, or enclosed in a cyst or cysts. [2 definitions]
cysticercus the larva of any of several tapeworms, consisting of a headlike part enclosed in a fluid-filled sac; bladderworm.
cystic fibrosis a congenital disease usu. developing in childhood and characterized by poor digestion, breathing difficulties, and pancreatic inflammation.
cystitis inflammation of the urinary bladder.
cysto- bladder; sac.
cystoscope an instrument for examining the urinary bladder and passages.
-cyte cell.
cyto- cell.
cytogenetics (used with a sing. verb) the study of heredity using the sciences of cytology and genetics.
cytokine any of a group of secretory proteins involved in intercellular communication, some of which help mediate inflammation and the immune response.
cytology the branch of biology concerned with the structures and processes internal to cells. [2 definitions]
cytomegalovirus any of a group of herpesviruses typically causing mild symptoms or no symptoms in healthy individuals, but capable of causing potentially life-threatening symptoms, including pneumonia and brain inflammation, in newborns and immunocompromised individuals, abbreviated CMV.
cytoplasm the ground protoplasm of cells that is outside the nucleus. [2 definitions]
cytoplast the cytoplasmic structure of a cell.
cytosine the pyrimidine base of the nucleotide cytidine, an essential component of the genetic material DNA and RNA.