# Apocholate citrate agar
**Wikidata**: [Q4780122](https://www.wikidata.org/wiki/Q4780122)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Apocholate_citrate_agar)  
**Source**: https://4ort.xyz/entity/apocholate-citrate-agar

## Summary
Apocholate citrate agar is a specific instance of a growth medium, a substance used to cultivate microorganisms, cells, or tissues in a controlled laboratory environment. It provides the essential nutrients, moisture, and physical support required for biological growth. This medium is documented in English Wikipedia and identified within the Freebase knowledge graph.

## Key Facts
- **Classification**: Instance of "growth medium" (liquid or gel used for the growth of microorganisms or cells).
- **Freebase ID**: `/m/09gl3j3`
- **Wikipedia Title**: Apocholate citrate agar
- **Language Availability**: English (1 sitelink).
- **Parent Class Definition**: A growth medium is a sterile formulation designed to mimic natural environments for controlled manipulation of variables such as nutrient availability or pH.
- **Related Forms**: Growth media are available in liquid (broths) or gel states (using gelling agents like agar).

## FAQs
### What is Apocholate citrate agar?
Apocholate citrate agar is a growth medium used to cultivate microorganisms or cells. It falls under the broader category of laboratory substances that provide necessary nutrients and physical support for biological cultures.

### What digital identifiers are associated with Apocholate citrate agar?
The entity is identified by the Freebase ID `/m/09gl3j3` and has a dedicated entry on English Wikipedia.

### How does Apocholate citrate agar function as a growth medium?
As a growth medium, it serves as a sterile formulation that provides essential nutrients, salts, carbohydrates, and moisture, allowing microorganisms to grow and reproduce outside their natural habitats.

## Why It Matters
As a growth medium, Apocholate citrate agar represents a foundational tool in biology and medicine. Growth media are critical for isolating pathogens for diagnosis, growing cell lines for drug testing, and producing vaccines or bioproducts at scale. They allow scientists to study organisms in controlled settings that would otherwise be impossible to access in natural environments, directly contributing to public health and industrial innovation.

## Notable For
- **Class Affiliation**: Being a specific instance of the "growth medium" class, a category essential for scientific research, medical diagnostics, and industrial applications.
- **Standardization**: Belonging to a category of laboratory chemicals often formulated with known components (chemically defined media) to ensure reproducibility in experiments.
- **Versatility**: Being part of a medium class used across diverse disciplines, from environmental science to pharmaceuticals.

## Body
### Definition and Classification
Apocholate citrate agar is explicitly classified as an **instance of a growth medium**. In the context of biological sciences, a growth medium is a liquid or gel substance designed to cultivate microorganisms, cells, or tissues. It provides essential nutrients, moisture, and physical support, enabling scientific research, medical diagnostics, and industrial applications. The primary role of such a medium is to mimic natural environments while allowing controlled manipulation of variables such as nutrient availability or pH.

### Structural Properties and Identifiers
The entity possesses specific identifiers within structured knowledge bases:
- **Freebase ID**: `/m/09gl3j3`
- **Wikipedia Presence**: It has 1 sitelink under the title "Apocholate citrate agar" in the English language.

### Context of Growth Media
As a growth medium, Apocholate citrate agar is related to a broader ecosystem of laboratory tools and substances.
- **Forms**: Growth media typically exist as liquid (broths) or gel (solidified with agents like agar).
- **Types**: The category includes chemically defined media, selective media (which inhibit unwanted organisms), serum-free media, and minimal media.
- **Components**: Common components include nutrients, salts, carbohydrates, and growth factors, often supplemented with serum, amino acids, or antibiotics.

### Applications and Usage
Growth media are utilized in three primary domains:
1.  **Research**: Essential for studying microbial genetics, cell signaling, and disease mechanisms.
2.  **Medicine**: Used in diagnostic labs to culture pathogens from patient samples.
3.  **Industry**: Support large-scale production in bioreactors for vaccines, enzymes, and biofuels.

### Historical and Scientific Significance
The development of growth media has been pivotal in the history of science. Early examples, such as Ogawa medium (1949), revolutionized tuberculosis diagnosis. Modern media formulations continue to address challenges like antibiotic resistance and cell culture sustainability, ensuring reproducibility which is critical for scientific rigor. Growth media are fundamental to achievements in vaccine production, cloning, and understanding microbial behavior.