Agglutinin
Definition
A specific antibody or protein substance present in blood plasma or immune serum, capable of inducing the process of agglutination (clumping together) of foreign cells, bacteria, erythrocytes, or antigen-bearing particles. It plays a fundamental role in blood typing and in the immune defense mechanisms of the organism.
Bilingual Equivalents
- Agglutinin
- Agglutinating antibody
Grammatical & Source Details
| Inflection Type | Feminine common noun with regular singular and plural biochemical declension paradigms. |
| Formation | Medical neologism adopted from the French word 'agglutinine', rooted in the Latin morphological paradigm of binding. |
| Spelling / Pronunciation | [əˈɡluːtɪnɪn] |
| Source | International Lexicon of Hematology and Serum Analysis |
Contextual Usage Examples
RO: Laborantul a evidențiat prezența unei cantități mari de aglutinină în serul extras de la pacient.
EN: The lab technician highlighted the presence of a large amount of agglutinin in the serum extracted from the patient.
RO: Interacțiunea dintre o aglutinină specifică și antigenul corespunzător a dus la formarea unor flocoane vizibile.
EN: The interaction between a specific agglutinin and the corresponding antigen led to the formation of visible flakes.
RO: Persoanele cu grupa de sânge O posedă atât aglutinină alfa, cât și aglutinină beta în plasma lor.
EN: Individuals with blood type O possess both alpha agglutinin and beta agglutinin in their plasma.
Idioms & Phrases
Aglutinină rece / Cold agglutinin
RO: Anticorp care devine activ și provoacă alipirea celulelor roșii doar la temperaturi scăzute ale corpului.
EN: An antibody that becomes active and causes the clumping of red cells only at low body temperatures.
Titru de aglutinină / Agglutinin titer
RO: Concentrație sau nivel de anticorpi aglutinanți prezenți în sânge, măsurat prin diluții succesive de laborator.
EN: The concentration or level of agglutinating antibodies present in the blood, measured through successive laboratory dilutions.
Aglutinină caldă / Warm agglutinin
RO: Tip de anticorp patologic care reacționează optim la temperatura normală a corpului, asociat cu anemii autoimune.
EN: A type of pathological antibody that reacts optimally at normal body temperature, associated with autoimmune anemias.
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