In the avian embryo, vascular smooth muscle cells (VSMC) in the aortic arch (elastic) arteries originate in the neural crest, whereas other VSMC develop from local mesoderm. These two lineages have ...

The muscular system consists of various types of muscle that each play a crucial role in the function of the body. Some muscular system functions include mobility, stability, posture, and circulation.

Actomyosin is a protein complex composed of actin and myosin. It is found in muscle fibers where it plays a role in muscle contraction. Actin is one of the most abundant proteins in eukaryotes. It ...

Endothelial and smooth-muscle cells from bovine mesenteric lymphatic vessels have been collected and cultured in vitro. The endothelial cells grew as a monolayer exhibiting a "cobblestone" appearance ...

A new study by researchers at Yale and Johns Hopkins University has discovered how asthmatic bronchial spasms — muscle contractions in the airway that cause difficulty breathing in asthma patients— ...

The serratus anteriora muscle that originates on the top surface of the eight or nine upper ribs. The serratus anterior muscle inserts exactly at the front border of the scapula, or shoulder blade.

A team of investigators from Massachusetts General Hospital (MGH), a founding member of Mass General Brigham (MGB) and Mass General for Children (MGfC) has identified - for the first time - the ...