词根词缀：angi-, angio-, angei-, -angium

【来源及含义】Greek > Latin: [receptacle], vessel, often a blood vessel; "covered by a seed or vessel", a seed vessel; a learned borrowing from Greek meaning "vessel", "container"

【相关词根词缀】Inter-related cross references, directly or indirectly, involving "blood" word units: apheresis; -emia; hemo-; hemoglobin-; phleb-; sangui-; vas-; vascul-.

【同源单词】adenoangiosarcoma, anangioid, anangioplasia, angialgia, angiasthenia, angiectasia

词根词缀：plano-, plan-, -plany, -plania

【来源及含义】Greek: passively drifting, wandering, or roaming; planet or planets

【相关描述】The planets are shown in this unit with images and links for details about each planet.

【相关词根词缀】 A cross reference of word units that are related, directly or indirectly, to the: "moon": Calendar, Moon Facts; Chemical Element: selenium; Gods and Goddesses; luna, luni-; Luna, the earth moon; menisc-; meno-; Planets in Motion; seleno-.

【同源单词】angioplany, aplanogamete, diplanetism, exoplanet, extrasolar planet, interplanetary