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Lysis
5 dictionary results for: Lysis
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
ly·sis       [lahy-sis] Pronunciation Key
–noun, plural ‑ses [‑seez] Pronunciation Key.
1.Immunology, Biochemistry. the dissolution or destruction of cells by lysins.
2.Medicine/Medical. the gradual recession of a disease. Compare crisis (def. 4).

[Origin: 1815–25; < NL < Gk lýsis a loosening, releasing, equiv. to ly-, var. s. of lȳ́(ein) to loosen, release + -sis -sis]
American Heritage Dictionary - Cite This Source - Share This
ly·sis       (lī'sĭs)  Pronunciation Key 
n.   pl. ly·ses (-sēz)
  1. Biochemistry The dissolution or destruction of cells, such as blood cells or bacteria, as by the action of a specific lysin that disrupts the cell membrane.
  2. Medicine The gradual subsiding of the symptoms of an acute disease.


[New Latin, from Latin, a loosening, from Greek lusis, from lūein, to loosen; see leu- in Indo-European roots.]

WordNet - Cite This Source - Share This
lysis

noun
1. recuperation in which the symptoms of an acute disease gradually subside 
2. (biochemistry) dissolution or destruction of cells such as blood cells or bacteria 

The American Heritage Science Dictionary - Cite This Source - Share This
lysis       (lī'sĭs)  Pronunciation Key 
The disintegration of a cell resulting from destruction of its membrane by a chemical substance, especially an antibody or enzyme.

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Lysis

Ly"sis\ (l[imac]"s[i^]s), n. [NL., fr. Gr. ly`sis.] (Med.) The resolution or favorable termination of a disease, coming on gradually and not marked by abrupt change.

Note: It is usually contrasted with crisis, in which the improvement is sudden and marked; as, pneumonia ends by crisis, typhoid fever by lysis.

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