«SPERM»的英语 引用
单词
sperm的知名引用和例句
It is a well-documented fact that guys will not ask for directions. This is a biological thing. This is why it takes several million sperm cells... to locate a female egg, despite the fact that the egg is, relative to them, the size of Wisconsin.
Football is a fertility festival. Eleven sperm trying to get into the egg. I feel sorry for the goalkeeper.
In the seventeenth century, it was held by some that inside a human sperm there was a minute human being - a homunculus - that was planted inside the womb. Development consisted of the miniature homunculus enlarging and passing through birth and on to maturity-just like inflating a balloon.
My dream is to have a baby, not to adopt one, because I am not up to it and I don't feel strong enough. I want my own child, a biological child, the fruit of my sperm, conceived through artificial insemination because it wouldn't make sense for me to make love to a woman I don't love.
Just because you donate sperm does not make you a father. I don't have a father. I would never give him the credit or acknowledge him as my father.
Although each egg cell produced by a woman carries a single X chromosome, the sperm cells produced by a man carry either an X or a Y. This means, in very simple terms, that the sperm cell determines a baby's sex.
For each chromosome contributed by the sperm there is a corresponding chromosome contributed by the egg, there are two chromosomes of each kind, which together constitute a pair.
The egg of every species of animal or plant carries a definite number of bodies called chromosomes. The sperm carries the same number. Consequently, when the sperm unites with the egg, the fertilized egg will contain the double number of chromosomes.
The cloning procedure is similar to IVF. The only difference is that the DNA of sperm and egg would be replaced by DNA from an adult cell. What law or principle - secular, humanist, or religious - says that one combination of genetic material in a flask is OK, but another is not?
People forget we come from an embryo and we're part sperm and part ovary. We have both sides in us.
与 «SPERM»相关的英语书籍
在以下的参考文献中发现
sperm的用法。与
sperm相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Sperm Biology: An Evolutionary Perspective
This book represents the first analysis of the evolutionary significance of sperm phenotypes and derived sperm traits and the possible selection pressures responsible for sperm-egg coevolution.
Tim R. Birkhead, Dave J. Hosken, Scott S. Pitnick, 2008
2
Sperm Wars: Infidelity, Sexual Conflict, and Other Bedroom ...
inherit their large testes, their promiscuity and their ability to win sperm warfare.
But this success eventually becomes self-defeating. At each generation there are
more and more men with large testes – descendants of the original invader ...
3
Sperm Whales: Social Evolution in the Ocean
Males can reach a length of sixty-two feet and can weigh upwards of fifty tons. With this book, Hal Whitehead gives us a clearer picture of the ecology and social life of sperm whales than we have ever had before.
4
Sperm Competition and Its Evolutionary Consequences in the ...
This book analyzes and extends thirty years of theoretical and empirical work on insect sperm competition. It considers both male and female interests in sperm utilization and the sexual conflict that can arise when these differ.
5
It's So Amazing!: A Book about Eggs,
Sperm, Birth, Babies, ...
IT'S SO AMAZING! provides the answers — with fun, accurate, comic-book-style artwork and a clear, lively text that reflects elementary-school children's interest in how things work, while giving them a healthy understanding of their ...
6
Sperm Collection and Processing Methods: A Practical Guide
Discusses sperm collection procedures, outlines processing methods, and details various sperm enhancement technologies.
Rajasingam S. Jeyendran, 2003
7
The
Sperm Cell: Production, Maturation, Fertilization, ...
Originally published in 2006, this is a comprehensive and definitive account of the human male gamete. The volume summarizes many unique and revealing characteristics of the sperm cell.
Christopher J. De Jonge, Christopher Barratt, 2006
8
Promiscuity: An Evolutionary History of
Sperm Competition
Birkhead reveals a world in which males and females vie with each other as they strive to maximize their reproductive success. Color illustrations.
9
WHO Laboratory Manual for the Examination of Human Semen and ...
Previous editions of this volume have established themselves as the gold standard in the area of fertility investigation and treatment: this new edition continues that tradition and will be the benchmark for setting more rigorous standards ...
World Health Organization, 1999
10
Clinical atlas of
sperm morphology
It embodies the basic concepts of sperm morphology, and with pedagogical use of over 140 colour figures, the book is a comprehensive guide to the subject.Dr Phadke has drawn upon his 52 years of knowledge and experience, and his vast ...
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Freeze sperm at 18, bioethicist urges men
The sperm of all 18-year-olds should be frozen for use in later life because of the risks attached with being an older father, a UK bioethicist has argued. Sperm ... «BBC News, 六月 15»
A Dead Sperm Whale in the Bay Area Gets Burned and Graffitied
At least that's what happened to a sperm whale found a couple weeks ago at Mori Point south of San Francisco. What killed the 48-foot long creature is unclear. «CityLab, 五月 15»
'Ted 2': Mark Wahlberg Tries To Steal Tom Brady's Sperm …
Ted is back, and he's got a mission: Steal Tom Brady's sperm. Um, well, that's part of his mission. In a brand new peek at Ted 2, our favorite crude teddy bear ... «Hollywood Life, 四月 15»
Sperm bank sued over donor's profile, mental history
Then last June, almost seven years after Collins gave birth to a son conceived with his sperm, they got a batch of emails from the sperm bank that unexpectedly ... «CBS News, 四月 15»
Beached sperm whale becomes pungent science lab in Pacifica
While a good portion of Pacifica looked on in silent awe Wednesday afternoon, 20 biologists in yellow waders sliced up a 48-foot-long sperm whale that washed ... «SFGate, 四月 15»
Sperm link found between father's DNA and autism
Sperm are not only easier to sample than a woman's eggs, but are more susceptible to environmental influences that could alter the epigenetic tags on their ... «Daily Mail, 四月 15»
Couple sues sperm bank after learning donor's past
Then last June, almost seven years after Collins gave birth to a son conceived with his sperm, they got a batch of emails from the sperm bank that unexpectedly ... «WKRN.com, 四月 15»
A Diet High in Pesticides Is Linked to a Lower Sperm Count
Chavarro and his colleagues wanted to see if pesticide residues left on fruits and vegetables might have a similar effect on sperm—and their findings suggest ... «TIME, 三月 15»
'Sacred Sperm' Film Explores Ultra-Orthodox Jewish Taboos
So Gruder created "Sacred Sperm," an hour-long documentary in which he tries to tackle the hard questions he can expect from his son. The film presents an ... «Huffington Post, 二月 15»
Scientists create artificial human eggs and sperm
A group of scientists has created artificial human sperm and eggs using human embryonic stem cells and skin cells. While researchers have already previously ... «CBS News, 十二月 14»
