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胚泡
释义
胚泡
Encyclopedia
医学
胚胎发生
释
blastocyst
胚泡
受精后第4天左右,卵裂球增至约100个的囊泡状胚。卵裂细胞的分泌,使细胞团之间出现裂隙,后融合扩大形成中央的腔,周围由扁平的滋养层细胞包绕,腔的一端有一团内细胞群细胞。
Biology
blastocyst
胚泡
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motion interpolation
motionless
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motion measuring instrument
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motion of a particle relative to a noninertial system
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motion of asteroids
motion of bubbles and drops
motion of centaur
motion of comet
motion of earth pole
motion of entrainment
motion of Greeks group asteroids
motion of Kuiper belt objects
motion of main belt astroids
motion of natural satellite
motion of near earth objects
motion of particles relative to earth
Motion of the Earth by Doppler Observation Campaign
Motion of the Earth in Space
motion of the electrons in solids in the external electric and magnetic fields
motion of the Moon in space
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