jądra

n. core, kernel, pip; nucleus, positively charged heart of an atom (Physics); core of a cell containing DNA and RNA (Biology); core of the head of a comet (Astronomy); quintessence, bedrock; heart, hard core, unyielding part of a group; crux, root, gist, nitty-gritty, the main point, the main thrust

n. core, center, heart; nucleus, kernel, central and most significant part of a whole; testicle, testis

Kern