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mesenchyme vs. mesoderm

[mes-eng-kahym, mez-] / ˈmɛs ɛŋ kaɪm, ˈmɛz- /

noun

Embryology.
  1. cells of mesodermal origin that are capable of developing into connective tissues, blood, and lymphatic and blood vessels.

[mez-uh-durm, mes-, mee-zuh-, -suh-] / ˈmɛz əˌdɜrm, ˈmɛs-, ˈmi zə-, -sə- /

noun

Embryology.
  1. the middle germ layer of a metazoan embryo.