medullin
noun
me·dul·lin
| \ me-ˈdəl-ən
, ˈmed-ᵊl-in
, ˈmej-ə-lin
\
, ˈmed-ᵊl-in
, ˈmej-ə-lin
\
Medical Definition of medullin
: a renal prostaglandin effective in reducing blood pressure