请输入您要查询的字词:
单词
胚胎学
释义
胚胎学
Encyclopedia
理学
胚胎学
释
embryology
胚胎学
研究动物个体在出生或孵化前的形态结构变化,叙述怎样从受精卵发育成胚胎和胎儿,系统了解各种动物发育特点和规律的生物学分支学科。广义地理解,胚胎学是研究精子和卵子的发生、成熟与受精,以及受精卵发育到成体的过程的学科。此外,胚胎学也研究出生前的先天性缺陷或发育异常。
随便看
One-time signature
One-tip Record on Calligraphy and Painting
one-to-many
one-to-many correspondence
one-to-many function
one-to-many mapping
one-to-one
one-to-one conformal mapping
one-to-one correspondence
one-to-one encoding
one-to-one function
one to one mapping
one-to-one mapping
one-to-oneness
one-to-one relation
one-to-one representation
one trait selection
O. Neugebauer
O. Neugebauer (1899—1990)
one-unit maintainable system
one-valued
one-valued branch
one-valued function
one-valued mapping
one-variable calculus
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2024/12/26 0:46:15