ovum
英 [ˈəʊvəm]
美 [ˈoʊvəm]
n. 卵; 卵子; 卵细胞
BNC.27649 / COCA.35016
牛津词典
noun
- 卵；卵子；卵细胞
a female cell of an animal or a plant that can develop into a young animal or plant when fertilized
柯林斯词典
- N-COUNT 卵；卵子；卵细胞
An ovum is one of the eggs of a woman or female animal.- Once the ovum is released it has a lifespan of 12 to 36 hours.
卵子排出后可存活12至36小时。
- Once the ovum is released it has a lifespan of 12 to 36 hours.
双语例句
- Once the ovum is released it has a lifespan of 12 to 36 hours.
卵子排出后可存活12至36小时。 - I possess the DNA of Leonard Nimoy? Do you realize what this means? All I need is a healthy ovum and I can grow my own Leonard Nimoy!
我拥有了LeonardNimoy的DNA？！你知道这意味着什么吗？！我只需要一个健康的卵细胞就可以培养我自己的LeonardNimoy了。 - The secretory phase follows a set14 day course leading to either implantation of a fertilized ovum or menstruation.
分泌期一直持续到14天后受精卵着床后或月经来临时止。 - How does a zygote differ from an ovum?
受精卵和卵细胞有何不同？ - Twins developed from the same fertilized ovum ( having the same genetic material).
同一个卵子发展而来的双胞胎（有同样的遗传物质）。 - ( embryology) the repeated division of a fertilised ovum.
（胚胎学）受精卵的重复分裂。 - Objective Psychological nursing can be control effectively of up anxious level before and after obtain ovum.
目的取卵术手术前后实施心理护理以有效控制患者焦虑水平的上升。 - The expulsion of an ovum from the ovary ( usually midway in the menstrual cycle).
（通常在月经中期）卵细胞从卵巢向外排出的过程。 - ( of twins) derived from a single egg or ovum.
（指双胞胎）源于同一个卵或者卵子。 - When the cell starts to split you take out the cell and replace it into another unfertilized ovum.
当细胞开始分裂时，取出细胞并把它放到另一个未受精的卵细胞中。 - The way it works is first you take out a cell from either a part of the body or a fertilized egg. Then you take that cell and put it in to a unfertilized ovum.
这种方法的过程是首先从身体部分或受精卵中取出一个细胞，然后把它放到未受精的卵细胞中。 - A valuable technology of ovary cryopreservation and transplantation is developed to establish ovum, and has been advanced.
卵巢冷冻保存和移植是建立卵子库的一项有效技术，近年来取得了很大进展。 - A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter.
卵膜孔一些动物卵细胞覆盖膜上的小孔，精子可由此进入。 - In vitro, the acrosome reaction of sperm does not influence the ovum fertilization rate.
在体外，精子顶体反应率的高低与卵子受精率没有明显的相关性。 - Effects of Ovum Oil of Rana chensinensis on Antioxidant Capacity in Mice Exposed to Cold Stress
林蛙油对冷应激小鼠抗氧化能力的影响 - The largest cell in the human body is the female ovum, or egg cell.
人体中最大的细胞是女性卵子，或卵细胞。 - Embryoloy: The study of growth and development of the embryo and fetus from fertilization of the ovum until birth.
胚胎学：研究从卵子受精开始到胎儿出生这一时期胚胎及胎儿生长发育的科学。 - Less water is placed in the box body, so the state of the fertilized ovum of the giant salamander in the incubation process is favourable to be observed.
该设备箱体的体积较小，放的水较少，有利于观察大鲵受精卵在孵化过程中的状态； - The bacteria and parasitic ovum in the feeds can be killed by baking, and the incidence of animal disease can thus be reduced; 4.
三是饲料通过炒焙杀死饲料中的细菌和寄生虫卵，降低动物的发病率； - He remains an un-impregnated ovum, an unfertilized pistil.
他依旧是一个未受胎的卵，一个未得花粉的雌蕊。 - Sub jade: taking the form of ovum, there is the size completely.
子玉：呈卵状，大小全有。 - Ovum Pick-up Application in Vitro Production of Embryo of Cattle
牛活体采卵技术及其在胚胎体外生产中的应用 - Making clones by using the cell from a fertilized ovum has been a rather popular technology and has been used in the past.
由受精卵细胞进行克隆已经是相当成熟的技术，过去就曾被使用过。 - Nutritive material of an ovum esp. the yellow mass of a bird or reptile egg.
卵中的营养物质，尤其是鸟类或爬虫类卵中的黄色部分。 - A number of oocytes with specific genealogy can be retrieved repeatedly from living cattle by the technology of ovum pick-up ( OPU), and these oocytes are used to produce embryos in vitro.
应用活体采卵技术可以从活体母牛反复采集大量系谱明确的卵母细胞，用于胚胎的体外化生产。 - The rest of the procedure is the same as the procedure using the cell from a fertilized ovum.
剩下的步骤同细胞从受精卵中获得细胞的步骤一样。 - Effects of nifedipine on oviduct motility and ovum transport in rabbits
硝苯吡啶对兔输卵管活动和卵子运行的影响 - Tech companies will also look to build greater connectivity with the frozen ovum.
科技公司还将研究如何与冷冻卵子建立更密切的互联。 - The ovum develops only in the female, and the sperm cell develops only in the male.
卵细胞仅在女性体内产生，而精子细胞则仅在男性体内制造。