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Definition of Heterocyst
1. n. A cell larger than the others, and of different appearance, occurring in certain algæ related to nostoc.
Definition of Heterocyst
1. Noun. A specialized nitrogen-fixing cell formed by some filamentous cyanobacteria. ¹
¹ Source: wiktionary.com
Definition of Heterocyst
1. [n -S]
Medical Definition of Heterocyst
1.
Lexicographical Neighbors of Heterocyst
Literary usage of Heterocyst
Below you will find example usage of this term as found in modern and/or classical literature:
1. Transactions of the Canadian Institute by Canadian Institute (1849-1914). (1899)
"The development of the heterocyst depends on degenerative changes in the cell
which at ... Very often the cell which is to form a heterocyst is incompletely ..."
2. Contributions from the Botanical Laboratory of the University of Pennsylvania by University of Pennsylvania Botanical Laboratory, University of Pennsylvania, Botanical Laboratory (1904)
"(5) THE heterocyst. heterocysts, like the spores, are modified vegetative cells.
... During this time there has been passing into the heterocyst from the ..."
3. Text-book of Botany, Morphological and Physical by Julius Sachs (1882)
"jelly arranged radially; at the free end the filament runs out into a long hyaline
hair, while at the central end is a large heterocyst which gives the ..."
4. The Transactions of the Microscopical Society of London by Microscopical Society of London (1855)
"A filament with a heterocyst. a, a, ordinary cells. 6.—Filament with a heterocyst
after the application of a solution of iodine. 6, b, heterocyst. a, ..."
5. Journal of the Royal Microscopical Society by Royal Microscopical Society, London (1882)
"When a cell forms a heterocyst or a branch, it first produces a lateral ...
This new cell may at once change into a heterocyst, and then it will be directly ..."
6. A Treatise on the British Freshwater Algae by George Stephen West (1904)
"Hegler, and later, Fritsch, regard the heterocysts as storehouses for reserve
substances, the latter passing into the heterocyst along the protoplasmic ..."
7. Practical Botany by Joseph Young Bergen, Otis William Caldwell (1911)
"Usually, however, in one or more cells of the chain the protoplasm dies and the
cell wall greatly enlarges, thus producing a heterocyst. ..."
8. Botany, with Agricultural Applications by John Nathan Martin (1920)
"A heterocyst is the basal cell and the cells decrease in size toward the apex,
so that the filament has a whip-like appearance. Besides the features just ..."
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