medulla oblongata
1. medula, medulla oblongata
a white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers [belo mastno tkivo, ki tvori mielinsko ovojnico okoli osne cevke nevronskih vlaken]
2. podaljšana hrbtenjača, medulla oblongata
lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata) [Spodnji or zadnji del možganov, ki se nadaljuje v hrbtenjačo; ('bulb' je stari izraz za podaljšano hrbtenico)]