词根词缀：astro-, astr-

【来源及含义】Greek: star, stars, star shaped; also pertaining to outer space

【同源单词】apastron, archaeoastronomer, archaeoastronomy, astro-alchemist, astrobiology, astroblast

词根词缀：cyto-, cyt-, -cyte, cytio-

【来源及含义】Greek: cells, cell, hollow; used primarily in the extended sense of "animal or plant cells" [because cells were originally thought to be hollow]

【相关词根词缀】 A cross reference of word units that are related, directly or indirectly, to "cell, cells, cell nucleus": celli-; cellulo-; endothelio-; gameto-; glio-; kary-, karyo-; neuro-.

【同源单词】anisocytosis, astrocytoma, athrocytosis, autocytoplasty, autophagocytosis, capnocytophaga