part of part of has potential to develop into has potential to develop into composed primarily of humerus upper arm mesenchyme pre-cartilage condensation humerus pre-cartilage condensation UBERON:0006246 EHDAA:4192 EMAPA:17427 EHDAA2:0000788 A humerus endochondral element that is composed primarily of a pre-cartilage condensation. humeral pre-cartilage condensation VHOG:0000950 forelimb bone pre-cartilage condensation humerus endochondral element