Definitions for lysisˈlaɪ sɪs

This page provides all possible meanings and translations of the word lysis

Random House Webster's College Dictionary

ly•sisˈlaɪ sɪs(n.)

  1. the dissolution or destruction of cells by lysins.

    Category: Biochemistry, Immunology

  2. the gradual recession of a disease.

    Category: Medicine

    Ref: Compare crisis (def. 4). 4

Origin of lysis:

1815–25; < Gk lýsis a loosening <ly-, var. s. of ly(ein) to loosen

-lysis

  1. a combining form with the meanings “breakdown,”“decomposition” of or by means of the thing specified by the initial element:

    cytolysis; hydrolysis; photolysis.

    Category: Affix

Origin of -lysis:

< Gk; see lysis

Princeton's WordNet

  1. lysis(noun)

    recuperation in which the symptoms of an acute disease gradually subside

  2. lysis(noun)

    (biochemistry) dissolution or destruction of cells such as blood cells or bacteria

Wiktionary

  1. lysis(Noun)

    A gradual recovery from disease (opposed to crisis).

  2. lysis(Noun)

    The disintegration or destruction of cells

  3. Origin: From the lysis, from the λύσις; compare -lysis.

Webster Dictionary

  1. Lysis(noun)

    the resolution or favorable termination of a disease, coming on gradually and not marked by abrupt change

Freebase

  1. Lysis

    Lysis refers to the breaking down of a cell, often by viral, enzymic, or osmotic mechanisms that compromise its integrity. A fluid containing the contents of lysed cells is called a "lysate". Many species of bacteria are subject to lysis by the enzyme lysozyme, found in animal saliva, egg white, and other secretions. Phage lytic enzymes produced during bacteriophage infection are responsible for the ability of these viruses to lyse bacterial cells. Penicillin and related β-lactam antibiotics cause the death of bacteria through enzyme-mediated lysis that occurs after the drug causes the bacterium to form a defective cell wall. If cell wall is completely lost, the bacterium is referred as a protoplast if penicillin was used on gram-positive bacteria, and spheroplast when used on gram-negative bacteria.

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