(sō‵măt-ŏ-trō'fĭn , sŏ-mat‵ŏ-trō'fĭn, sō‵măt-ŏ-trō'pĭn, sŏ-mat‵ŏ-trō'pĭn)

[somato- + -trophin, -tropin]

Growth hormone.