They happen when cells specialise so as to become parts of particular body tissues.
It all made for a lilting tableau, even in her agitated state, even if she knew that beneath its present blue sheen this particular body of water was a mudhole.
It's called the specialty hospital, a center that focuses on the care of a particular body part such as the heart, spine or joints, or on a specific disease such as cancer.
To what extent is it defined by having a body of a particular shape, or by cultural factors?
Now, I know that not all countries in this body share this particular understanding of the protection of free speech.
WHITEHOUSE: Remarks by the President to the UN General Assembly
In Los Angeles, time has a particular poignancy, since the body can never be young enough to satisfy an unsustainable ideal.
But at least this particular Norwegian woman was signalling through her body language to all around her that she wanted to be left alone.
ECONOMIST: Kith and kin get closer, with consequences for strangers
Yet western diplomats, in particular, were quick to declare the affair a body-blow to Mr Khatami, who has worked assiduously to improve Iran's relations with the West.
If you've had influenza in the past, your body has already made antibodies to fight that particular strain of the virus.
In particular, the question of how much Kofi Annan, the body's secretary-general, knew about his son's involvement in a company that won a UN contract, hangs heavy in the air.
Ms. HARRISON: We found that the vast majority of characters, in particular child characters, could be coded as just having an average body size.
The lower receiver in particular stirred controversy, as the receiver is legally considered the main body of the firearm and its sale and distribution are regulated.
FORBES: 'Wiki Weapon Project' Aims To Create A Gun Anyone Can 3D-Print At Home
By examining these samples for the presence of radiocarbon, the developer of a particular drug can see whether the active ingredients are absorbed into the body and, if they are, how long they persist there.
Not the least harmful effect of this particular theory is the present isolation of the theory of money from the main body of general economic theory.
" He thinks the US president in particular could do with a makeover, "He's got a good body and he's easy going, " Frank says, "but he dresses too uptight, like a banker.
However, something is amiss, when, in the service of advocating a particular policy, activists and health authorities have to base their claims on a weak body of evidence and ignore a much stronger and more rigorous body of painstakingly accumulated data, which helps put the matter in perspective.
Given intravenously, Kadcyla courses through the body, looking for breast-cancer cells with a distinguishing feature: a high number of a particular protein, called HER2, on their surface.
But I mean all athletes especially endurance athletes, have very efficient cardiovascular systems, in particular the most relevant at the moment Lance Armstrong, is really just extremely efficient and his ability, his body's ability to carry and use oxygen.
"There is a huge body of scientific evidence showing that tea can make a significant contribution to a healthy lifestyle, and in particular, in the areas of cardiovascular health and dental hygiene".
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