| 词汇 | thymus |
| 释义 | thymus noun[ C ] anatomy specializeduk /ˈθaɪ.məs/ us /ˈθaɪ.məs/ a small gland behind the breastbone that helps build the immune system胸腺 Glands in the human body acinar acinus adenohypophysis adrenal adrenal cortex endocrinal endocrine gland endocrinologic endocrinological exocrine gland neuroendocrinologist neuroendocrinology neurohypophyseal neurohypophysis oil gland prostate gland prostatic pyloric gland sebaceous gland suprarenal gland Examples of thymusthymus In addition, the cellular composition of the pronephros and thymus was differentially affected by the presence of the pollutants and parasite. An absent thymus at surgery is not uncommon in congenital heart operations, as the organ often involutes under conditions of stress. There was no normal thymus gland visible on gross inspection. Probably the population of thymocytes obtained from the thymus glands of newborn mice is not fully uniform. The thymus may be in closer contact with waterborne pollutants being situated close to the opucular cavity. The organspecific differences with respect to morphology and cellular composition were noted between the pronephros and thymus. A distance of less than 10 mm was only found in the eight patients with absent thymus at surgery. The thymus and heart appeared normal, with no pericardial effusion. Thymus-dependent immunity had no effect on prematurational mortality. The effects on the ultrastructure and cellular composition of two immune organs, the thymus and the pronephros, and on pronephric lymphocyte stimulation are reported. In fish exposed to both parasite and pollutant, vacuolation and cellular disintegration of lymphoid organs was noted, particularly in the thymus. Subtracting heart volumes from thorax volume overestimates lung volume, since other organs (thymus, vessels, trachea and oesophagus) are included. Surgical investigation revealed severe hypoplasia of the thymus, and the lack of any strand-like structure between the interrupted segments of the aorta. Second, both lobes of the thymus must be exposed to guarantee efficient injection of alloantigen; this involves opening the chest via a sternotomy. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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