單孢子囊 的英文怎麼說
中文拼音 [dānbāozináng]
單孢子囊
英文
monangial-
Embryological studies reveal that megaspore and such cells as egg, synergid and antipodals in mature embryo sac initiate the division of forming haploid plants through embryogenesis or callus formation
胚胎學觀察揭示大孢子與胚囊內的卵細胞、助細胞和反足細胞均有可能在培養中啟動分裂,通過胚狀體或愈傷組織形成單倍體植株。The anther possesses four microsparangia with its wall composed of four layers : epidermis, endothecium, middle layers and a 2 - nucleate celled tapetum. most of the antheral tapetum are in situ
單穗升麻的花藥具4個小孢子囊藥室,囊壁花藥壁由表皮藥室內壁中層和絨氈層組成。
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