3d image of growth hormone skeletal formula

growth hormone somatotropin gh human hgh hormonal therapy replacement function action endocrine endocrinology level prohormone peptide growth cell reproduction regeneration development somatotropic cells prescription drug children's hormone deficiency anabolic hypothalamic–pituitary–somatotropic axis neurosecretory hypothalamus hypophyseal portal jak-stat signaling pathway molecule molecular formula skeletal structural structure biochemistry biomolecule bioactive biochemical 3d biogenesis substrate precursor synthesis derivative bioprecursor