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1. Vitality, the essential condition of being alive; the state of existence characterized by such functions as metabolism, growth, reproduction, adaptation, and response to stimuli.
2. Living organisms such as animals and plants.
[A.S. lif]
Farlex Partner Medical Dictionary © Farlex 2012


n. pl. lives (līvz)
a. The property or quality that distinguishes living organisms from dead organisms and inanimate matter, manifested in functions such as metabolism, growth, reproduction, and response to stimuli or adaptation to the environment originating from within the organism.
b. The characteristic state or condition of a living organism.
Of or relating to animate existence; involved in or necessary for living: life processes.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Industry The duration of a product or material in its as-manufactured form
SciSpeak The duration of a substance in a system
Vox populi A constellation of vital phenomena—organization, irritability, movement, growth, reproduction, adaptation
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


1. A constellation of vital phenomena–organization, irritability, movement, growth, reproduction, adaptation. See Quality of life, Sex life, Sexual life.
2. The duration of a product or material in its as-manufactured form. See Shelf life.
3. The duration of a substance in a system. See Biological half-life.


Cardiology A clinical trial–Losartan Intervention for Endpoint Reduction in Hypertension comparing the effects of 2 antihypertensives on cardiovascular M&M. See Antihypertensive, Atenolol, Hypertension, Losartan.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


1. The quality or condition proper to living beings; the state of existence characterized by such functions as metabolism, growth, reproduction, adaptation, and response to stimuli.
2. Living organisms such as animals and plants.
[A.S. lif]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


A self-replicating chemical system capable of undergoing Darwinian evolution. This is but one of many proposed definitions of the term.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005


the continuation of the collective activities of an organism.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Patient discussion about life

Q. So now it’s for life? Just like that, out of the blue my doctor told me a few months ago that I apparently I have diabetes (although I’m already 37), and that I’ll need to inject insulin to control my blood sugar. Moreover, I’ll have to restrict my diet and plan everything I put inside my mouth ahead. So far I manage with it, but it interfere with my life so much I don’t how long I can keep this way- it’s like I lost the possibility to be spontaneous in my llife. How do you cope with it?

A. Hi,
I share similar feelings- I was also diagnosed with type 1 diabetes a couple of years ago at 35, and indeed I have to plan my meals ahead. I don’t have any magical solution, but I can at least tell you that’s once you (and your environment) make some helpful technical changes, it feels less of a problem.

But hey, at least we had our twenties to live freely :)

Q. Is it for life? I was recently diagnosed with rheumatoid arthritis, and started taking meds (MTX and others). How long will I have to take these medications?

A. sadly, i can't give you better news then mrfoot56 and brwnis65. these medication are for life. but there are all sort of new treatments that are now researched, using biological ways to reduce the immunoglobolins complexes that accumulates in your joints, here is an article about top 10 advances of 2007:

Q. Give life to her please! Here is a really confusing question to you all. But your reply is a life for her. I know someone who is bipolar and she thinks that her ‘brother’ sexually molested her when they were kids. Can this be a delusion? Or hallucinating?

A. Im going to answer this question a little different;What if she is telling the truth,and her brother is planning on no body believing her? because she has this disease?---keep that in mind when you take her to the DR--mrfoot56

More discussions about life
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References in periodicals archive ?
Hierarchy is another important theme that reflects the nature of the levels of organization of living things. During the nineteenth century, there was a very active debate between two basic schools of thought: vitalism and reductionism.
It is precisely in discussing the unity of a living thing that we can benefit from natural philosophy in the tradition of Aristotle and Thomas Aquinas.
Piaget (1929), while revealing the development of the living things concept in children's mind, found that children consider everything having any activity or function as living things at first (age of 3-7) and later every moving thing as living things (age of 7-8).
A study that defined function narrowly, as 'what an object is used for', found that perceptual properties dominated dictionary definitions of living things by a ratio of 7 perceptual to 1 functional property, while a ratio of 3 perceptual to 2 functional properties for artifacts reflected a closer balance between the two (Farah & McClelland, 1991).
Atkins found the previous tallest living thing in 2000-another redwood known as the Stratosphere Giant.
Wilderness Society spokesman Geoff Law said: "They have killed the largest-known living thing in Australia by their incompetence."
I also think I have encountered what Loren Eisley once called a "hidden teacher" who has posed for me the central question of environmental ethics: how should human beings live in harmony with the forces of nature that nurture all living things inhabiting the Earth?
If every living thing is good, what good are flies, fleas, and mosquitoes?
Bobbie Kalman's LIVING THINGS NEED WATER (0778732320), PLANTS ARE LIVING THINGS (0778732339), and IS IT A LIVING THING (0778732304) holds large print words and pictures with easy science perfect for classrooms.
California's General Sherman giant sequoia remains the nation's largest tree and the world's largest living thing. The impressive specimen is one of three trees that have been on the Register since it began in 1940.
After dying, each living thing is reborn into another life.