(卵细胞)含大量卵黄的,富含卵黄的
“macrolecithal”的音标:
英式:/ˌmækrəʊˈleɪsɪθəl/
美式:/ˌmækroʊˈleɪsɪθəl/
“macrolecithal”的用法和例句8句:
- Macrolecithal eggs are common in reptiles, as the large amount of yolk provides sufficient nutrients for the embryo's development.
(富含卵黄的卵在爬行动物中很常见,因为大量的卵黄为胚胎发育提供了充足的营养。)
- Compared to mesolecithal eggs, macrolecithal eggs have a higher yolk-to-cytoplasm ratio, which slows down cleavage but supports longer embryonic growth.
(与中等卵黄含量的卵相比,富含卵黄的卵卵黄与细胞质的比例更高,这虽然减缓了卵裂速度,但支持了更长时间的胚胎生长。)
- The study of macrolecithal eggs in birds reveals how the yolk sac sustains the embryo before the circulatory system develops.
(对鸟类富含卵黄的卵的研究揭示了在循环系统发育之前,卵黄囊如何维持胚胎生存。)
- Amphibians with macrolecithal eggs often lay them in aquatic environments, where the moisture prevents desiccation.
(产富含卵黄卵的两栖动物通常将卵产在水中,那里的湿度可以防止卵干燥。)
- Macrolecithal eggs are typically larger and heavier due to the substantial yolk, which may limit the number of eggs a female can produce.
(由于大量的卵黄,富含卵黄的卵通常更大更重,这可能限制雌性产卵的数量。)
- The dense yolk in macrolecithal eggs requires specialized enzymes for digestion, as the embryo cannot rely solely on external nutrients.
(富含卵黄卵中的浓稠卵黄需要专门的酶进行消化,因为胚胎无法完全依赖外部营养。)
- Researchers use macrolecithal eggs as models to study yolk utilization, as the yolk serves as the primary energy source for early development.
(研究人员利用富含卵黄的卵作为模型来研究卵黄利用情况,因为卵黄是早期发育的主要能量来源。)
- Unlike anolecithal eggs (yolk-free), macrolecithal eggs are adapted for species with extended embryonic development stages.
以上参考资料是词义通为您整理的单词“macrolecithal”的解释和含义,如有错漏请向我们提供反馈意见。
来源:词义通 | 更新时间:2026-11-06 05:59:57 | 如有错漏欢迎反馈纠错
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