治疗往往要去掉大肠,其中包括直肠.Treatment sometimes involves removing the large intestine including the rectum.然后将直肠的肌壁与粘膜分离开.Then the lining is separated from the rectum's muscular wall.病人的体温自直肠测得.The patient's temperature s...
异染色质大部分是由短而重复的多核苷酸序列所组成的.Heterochromatin has shown to be composed largely of short repeated polynucleotide sequences.表现这种现象的染色体物质叫做异染色质.Chromosome material with exhibits of such behaviour is called heterochromatin.异染色质部分...