embryonic age

measures the actual age of the embryo or fetus from the time of fertilization

en-GB/ˌɛmbɹɪˈɒnɪk ˈeɪd͡ʒ/
en-US/ˌɛmbɹiˈɑnɪk ˈeɪd͡ʒ/

Categories:

time interval