MATRIX (BIOLOGY)

In biology, 'matrix' (plural: 'matrices') is the material between animal or plant cells, the material (or tissue) in which more specialized structures are embedded, and a specific part of the mitochondrion that is the site of oxidation of organic molecules. The internal structure of connective tissues is an extracellular matrix. Finger nails and toenails grow from matrices.

Contents
Tissue matrices
Extracellular matrix
Bone matrix
Subcellular matrices
Mitochondrial matrix
Nuclear matrix
Golgi matrix
Matrix (medium)
See also
Tissues and cells
Molecular biology
Bioinformatics and sequence evolution
Botany and agriculture
Population biology and ecology

Tissue matrices


Extracellular matrix

Main articles: Extracellular matrix

The molecules forming the "glue" between cells in connective tissues are summarily referred to as the extracellular matrix.
Bone matrix

Main articles: Osteon

Bone is a form of connective tissue found in the body and has a storage area, or osteon region, also called 'matrix' that allows mineral salts such as calcium to be stored.

Subcellular matrices


Mitochondrial matrix

Main articles: Mitochondrial matrix

In the mitochondrion, the 'matrix' contains soluble enzymes that catalyze the oxidation of pyruvate and other small organic molecules.
Nuclear matrix

Main articles: Nuclear matrix

In the cell nucleus, the matrix is the insoluble fraction that remains after extracting the soluble proteins and digesting the DNA.
Golgi matrix

The Golgi matrix is a protein scaffold made up of golgins on the cytoplasmic side of the Golgi apparatus involved in keeping its shape and membrane stacking.

Matrix (medium)


A 'matrix' is also a medium in which bacteria are grown (cultured). For instance, a Petri dish of agar may be the ''matrix'' for culturing a sample swabbed from a patient's throat.

See also



Matrix biology

Matricity
Tissues and cells


Germinal matrix

Hair matrix cell
Molecular biology


Matrix protein

Matrix metalloproteinase

Matrix attachment region
Bioinformatics and sequence evolution


Similarity matrix

PAM matrix

Substitution matrix

Position-specific scoring matrix
Botany and agriculture


Matrix Planting
Population biology and ecology


Matrix population models

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