Cardiac muscle

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

Function: spontaneous rhythmic contraction.

Location: myocardium.

Composition: contractile proteins: actin, myosin, tropomyosin, troponin and others; myoglobin, glycogen, calcium ions...

Origin: visceral sheath of splanchnotom, mesoderm.

Cardiomyocytes

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

Function: cardiac contracting cells

Cardiac conducting cells, Purkinje cells, pacemaker cells

Function: generation and conduction of impulses.

Location: sinoatrial node (pacemaker), atrioventricular node, atrioventricular (His) bundle, Purkinje fibers

Hormone-secreting cardiomyocytes

Function: contraction and secretion of Atrial Natriuretic Peptide.

Location: left and right cardiac atrium.