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Haemolysis

Definition

noun

The lysis or the breaking open of red blood cell (erythrocyte) causing the release of hemoglobin into the surrounding fluid.


Supplement

Hemolysis has several causes: examples are exposure of erythrocytes to toxins and poisons, bacterial haemolysins, immune reactions like specific complement-fixing antibodies, hypotonicity, alteration of temperature, treatments such as hemodialysis, etc.


Word origin: from the Greek hemo-, meaning blood + -lysis, meaning to break open.

Also spelled as: hemolysis.
Related forms: haemolytic (adjective).

Synonym: hematolysis.
See also: hemolysin.


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Re:

S. viridans is not a species. All spreptococci irrespective of haemolysis type have been currently divided into seven genetically distinct groups: pyogenic streptococci (S. pyogenes, S.agalactiae, S. dysgalactiae) - group I; Str. bovis group (II); Str. ...

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by SweetSarah
Tue Mar 06, 2012 4:37 am
 
Forum: Microbiology
Topic: Is Strep mitis a member of the Strep Viridans species
Replies: 7
Views: 1941

Is Strep mitis a member of the Strep Viridans species

S. viridans is not a species. All spreptococci irrespective of haemolysis type have been currently divided into seven genetically distinct groups: pyogenic streptococci (S. pyogenes, S.agalactiae, S. dysgalactiae) - group I; Str. bovis group (II); Str. ...

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by xenopus
Mon Mar 05, 2012 5:32 pm
 
Forum: Microbiology
Topic: Is Strep mitis a member of the Strep Viridans species
Replies: 7
Views: 1941

Help with haemolysis in blood questions

... to this forum so hopefully I have not doubled up this question - I did search for it. Anyhow, can anyone help with the below questions? Q1: Can haemolysis occur if erythrocytes are suspended in iso-osmotic solutions? This question relates to Urea haemolysis times using 0.28M urea and 1.0M urea. ...

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by mareehf
Mon Apr 11, 2011 9:03 pm
 
Forum: Molecular Biology
Topic: Help with haemolysis in blood questions
Replies: 1
Views: 1576

Re: Urea causing haemolysis

because it's lipid soluble are you sure? :roll:

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by JackBean
Tue Mar 22, 2011 8:48 am
 
Forum: Molecular Biology
Topic: Urea causing haemolysis
Replies: 3
Views: 1651

Re: Urea causing haemolysis

You're in Unimelb doing your lab #2 right? haha I just searched the internet looking for the answer to that too...

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by ntan
Tue Mar 22, 2011 8:44 am
 
Forum: Molecular Biology
Topic: Urea causing haemolysis
Replies: 3
Views: 1651
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