[ex.trorse] adj [prob. fr. (assumed) NL extrorsus, fr. LL, adv., outward, fr. L extra- + -orsus (as in introrsus)--more at introrse] (1858): facing outward "an ~ anther"
EXTRORSE
Meaning of EXTRORSE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012