- heterocyst
-
/het"euhr euh sist'/, n. Bacteriol.one of the enlarged nitrogen-fixing cells occurring along the filaments in some blue-green algae.[1870-75; HETERO- + CYST]
* * *
Universalium. 2010.
heterocyst
Look at other dictionaries:
Heterocyst — Het er*o*cyst, n. [Hetero + cyst.] (Bot.) A cell larger than the others, and of different appearance, occurring in certain alg[ae] related to nostoc. [1913 Webster] … The Collaborative International Dictionary of English
Heterocyst — Heterocysts are specialized nitrogen fixing cells formed by some filamentous cyanobacteria, such as Nostoc punctiforme , Cylindrospermum stagnale and Anabaena sperica , during nitrogen starvation. They fix nitrogen from dinitrogen (N2) in the air … Wikipedia
heterocyst — noun Date: 1872 a large transparent thick walled cell that is found in the filaments of some cyanobacteria and is the site of nitrogen fixation • heterocystous adjective … New Collegiate Dictionary
heterocyst — Specialized cell type found at regular intervals along the filaments of certain Cyanobacteria; site of nitrogen fixation … Dictionary of molecular biology
heterocyst — het·ero·cyst … English syllables
heterocyst — het•er•o•cyst [[t]ˈhɛt ər əˌsɪst[/t]] n. mcr one of the enlarged nitrogen fixing cells along the filaments in some blue green algae • Etymology: 1870–75 … From formal English to slang
heterocyst — ˈhed.ərəˌsist noun Etymology: International Scientific Vocabulary heter + cyst : one of the large transparent thick walled cells resembling spores occurring at intervals along the filament in certain filamentous blue green algae … Useful english dictionary
heterocystous — adjective see heterocyst … New Collegiate Dictionary
Glutamine — NatOrganicBox Chemical structure of L glutamine name=(2S) 2 amino 4 carbamoyl butanoic acid PubChem = 738 CAS = 56 85 9 ChemSpiderID = 718 SMILES = N [C@@H] (CCC(N)=O)C(O)=O C=5 | H=10 | N=2 | O=3 mass=146.15 g/molGlutamine (abbreviated as Gln or … Wikipedia
Cyanobacteria — Temporal range: 3500–0 Ma Had n Archean … Wikipedia
