Cartilage

Query  to the GeneNet database:
genes expressing in CARTILAGE
Select species: AllHumanMurine
Select GeneNet SRS table: GeneProtein
         

Query  to the TRRD database:
genes expressing in CARTILAGE
Select species:   All       Human     Murine   
           

Function: support, protection, weight-bearing at points of movement.

Origin: mesoderm: somites, mesenhyme.

Hyaline cartilage

Location: initial skeleton of the fetus, epiphyseal growth plate (epiphyseal discs) in bones, articular cartilages of joints, trachea, bronchi, larynx, nose, the ends of the ribs.

Ground substance

Composition: water, glycosaminoglycans: hyaluronic acid, chondroitin sulfate, keratan sulfate.

Collagen fibers

Composition: predominantly type II collagen

Cells

Query  to the GeneNet database:
genes expressing in CARTILAGE CELLS
Select species: AllHumanMurine
Select GeneNet SRS table: GeneProtein
         

Query  to the TRRD database:
genes expressing in CARTILAGE CELLS
Select species:   All       Human     Murine   
           

Function: proliferation and differentiation into  chondroblasts.

Location: inner cellular layer of perichondrium.

Function: secretion of extracellular matrix: ground substance and collagen fibers

Function: differentiated chondroblasts.

Location: cell clasters (isogenous groups) of inner part of cartilage.

Elastic cartilage

Location: external ear, walls of the auditory (Eustachian) tube, epiglottis, and larynx.

Composition: ground substance, elastic fibers and lamellae cells.

Fibrocartilage

Location: intervertebral discs, symphysis pubis, articular discs of the sternoclavicular and temporomandibular joints, menisci of the knee joint.

Composition: ground substance, collagen fibers as dense regular connective tissue , cells.