The study of cell structure, physiological properties, interactions with the environment and life cycle.
産業: 生物学
The loop of the circulatory system that carries blood through the body and back to the heart.
Cells in the embryo sac of angiosperms that flank the egg cell. The pollen tube grows through one (usually the smaller) of the synergids.
The most movable type of joint. The bones are covered by connective tissue, the interior of which is Þlled with synovial þuid, and the ends of the bones are covered with cartilage.
A type of mutation in which one base is substituted for another.
ミミズや土壌や木の穴を掘る彼らが食べるシロアリなどの動物。
中胚葉性構造体壁の筋肉などのセグメント化された体の部分を生じさせる胚の中に形成されます。
骨格筋を支配する運動ニューロンの経路から成る末梢神経系の部分。
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