syn·ap·sis /səˈnæpsəs/ 聯會; 神經鍵
syn·ap·sis /səˈnæpsəs/ 名詞 (染色體)聯會,接合,突觸
synapsis n : the side by side pairing of homologous maternal and paternal chromosomes at the start of meiosis [also: synapses (pl)]