immunohistochemistry

Definition

A laboratory technique that uses antibodies to detect and visualize specific antigens or proteins within tissue samples, typically on microscope slides. It combines immunology and histology to identify disease markers, pathogens, or cellular components for diagnostic and research purposes.

Example Usage

The pathologist used immunohistochemistry to confirm the presence of HER2 protein expression in the cancer biopsy.

Origin

Compound of 'immuno-' (from immunology) and 'histochemistry' (from histology and chemistry); developed as a technique in the 1940s–1950s.

Fun Fact

Immunohistochemistry relies on the specificity of antibodies, which can bind to their target molecules with remarkable precision, often producing colorful stains that make proteins visible under a microscope.

Source: Definition backfill (hailey)

Related Terms

Beginner

ICU

Intensive Care Unit—where the sickest patients go to be monitored with more technology than a spaceship while teams of specialists debate exotic diagnoses. The hospital's most expensive real estate where miracles and bankruptcies both happen.

🏥 Healthcare / Medical

Intermediate

anuria

The complete absence of urine production, a urological red flag that screams 'kidneys not working.' It's when your bladder posts a 'closed for business' sign indefinitely.

🏥 Healthcare / Medical

Advanced

speciation

The evolutionary process by which new species emerge, usually when populations get separated long enough to develop incompatible dating preferences. This biological phenomenon explains why Darwin's finches have different beaks and why your family reunions get weirder the more distant the relatives. In chemistry, it's about determining which molecular species are present, which is somehow less dramatic.

🏥 Healthcare / Medical

Advanced

Morbidity

A medical term for the rate of disease in a population that sounds like it was named by a goth kid doing a science fair project. Somehow both a crucial public health statistic and the most depressing word in the English language.

🏥 Healthcare / Medical

Intermediate

inner child

A concept in psychology referring to the part of an adult's psyche that retains childhood emotional needs, vulnerabilities, and responses; often accessed in therapy to understand root causes of adult behavior and emotional patterns. The idea is that reconnecting with and nurturing this inner child can facilitate emotional healing.

🏥 Healthcare / Medical

Advanced

absorbance

A logarithmic measure of how much light gets gobbled up when passing through a substance, because apparently scientists couldn't just say "darkness level." This optical density metric is crucial in spectroscopy, where researchers measure exactly how opaque your samples are being today. Think of it as the substance's light-blocking scorecard.

🏥 Healthcare / Medical

Translate This Term

See “immunohistochemistry” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

Try the Translator

Share This Term

Post on X Share on Facebook Share on LinkedIn

Discover a Term

Advanced

tecromancy

The dark art of resurrecting obsolete technology from the digital graveyard and making it do things it was never meant t...