Uberon definition : The Subclavius is a small triangular muscle, placed between the clavicle and the first
rib. Along with the pectoralis major and pectoralis minor muscles, the subclavius
muscle makes up the anterior wall of the axilla.;
The Subclavius is a small triangular muscle, placed between the clavicle and the first
rib. Along with the pectoralis major and pectoralis minor muscles, the subclavius
muscle makes up the anterior wall of the axilla.