indicator (redirected from indicator species)

indicator /in·di·ca·tor/ (in´dĭ-kāt″er)

1. the index finger, or the extensor muscle of the index finger.

2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.

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in·di·ca·tor (nd-ktr)

n.

1. One that indicates, especially a pointer or an index.

2. An instrument used to monitor the operation or condition of an engine, an electrical network, or another physical system; a meter or gauge.

3. The needle, dial, or other registering device on such an instrument.

4. Any of various substances, such as litmus or phenolphthalein, that indicate the presence, absence, or concentration of another substance or the degree of reaction between substances by means of a characteristic change, especially in color.

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indicator

[in′dikā′tər]

a tape, paper, tablet, or other substance that is used to test for a specific reaction because it changes in a predictable visible way. Some kinds of indicators are autoclave indicator, dipsticks, and litmus paper. Also called reagent.

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indicator,

n a mark or symptom specific to a condition or disease.

indicator, biologic,

n a small quantity of harmless bacteria
(B. stearothermophilus) placed into an object prior to sterilization, the subsequent death of which indicates that sterilization has taken place. See B. stearothermophilus.

indicator chemical,

n a temperature-sensitive mark that changes color when a specific temperature has been reached. Used in the heat sterilization process but is by itself not proof that an object has been sterilized.

indicator diseases,

n opportunistic infectious diseases or neoplastic diseases that are associated with primary immunodeficiency disease, such as caused by the retrovirus HIV-1.

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indicator

1. a piece of information that suggests a suitable line of action, in diagnosis, treatment or control.

2. any substance that indicates the appearance or disappearance of a chemical by a color change or attainment of a certain pH.

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indicator plants

plants (e.g. Astragalus and Xylorrhiza spp.) that prefer a higher than normal soil content of a particular element, e.g. selenium, copper. Their presence indicates a potentially poisonous pasture. Called also obligate accumulator plants.

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Patient discussion about indicator species.

Q. Is it reasonable that my mom was bipolar all these years and I wasn't aware of it?? She just started to speak about it lately. She's been taking pills since forever but they're migrane pills- or at least that's what she told me always. Lately I've been having dipressions. not very serious cause they pass after one or two days but hard to deal with when they strike. I thought maybe it could be something genetic and when I asked my mother about it she mumbeled something... could it be??

A. good evening coffeecup,
Welcome to the group. The only person who knows for sure if you mom has suffered from bipolar disorder is your mother. If you are worried about having bipolar disorder yourself you should go and talk to your doctor. Have you had any mood swings? Any show of mania? It is possible you are suffering from depression. Also do you recall your mother ever suffering from dramatic mood swings? Your doctor can refer you to a psychiatrist that would be able to give you an accurate diagnosis. Good luck, I really hope that bipolar disorder is not an illness you will have to endure. If it is however, please know that it is managable and you can have a full and happy life. There are plenty of ways to manage the illness. You can find effective ways on this web site and professionals will be able to give you tools to manage the illness.

Q. Could ADHD be the reason my nine year old can not read or tell the difference between 16 and 60? My nine year old can not read or remember how to spell little words like as and on. She also has major problems with complicated sorting that other child younger then her can do. The school says it is because she is not on medication for her ADHD. She has a younger sister who has ADHD and is not on medication and she is doing well in school. Can ADHD cause all her problems or is there something else going on.

A. I have a 13-year-old child who has ADHD along with learning disabilities including an auditory processing disorder and a working memory disorder (diagnosed in 2nd grade). Not sure if the attention symptoms are because of the learning disabilities, etc. LD goes hand in hand with ADHD and vice verse. A very high percentage of people who have ADHD also have something else going on such as learning disabilities, oppositional defiance disorder, bipolar disorder, etc. My child is 13 now and has always exhibited signs of ADHD, LD and ODD. You should have your child tested at the school level for learning disabilities. Write a letter requesting testing for learning disabilities and give it to your school's principal. The school then has I believe 30 days to respond with testing.This will let you know if your child also has a learning disability going on with the ADHD. It also gives you the option of allowing your child to receive Special Education services in a resource class.

Q. My boy has diabetes. Recently he was diagnosed with vitiligo. What is it and what can be the reason for this? My boy has diabetes. recently he was diagnosed with vitiligo. Our doctor said that he hopes it not a polyglandular autoimmune syndrome. what is vitiligo and what does this big phrase (polyglandular autoimmune syndrome) mean?

A. Your boy suffers from two autoimmune diseases. there is a syndrome named polyglandular autoimmune syndrome which is when some one has several autoimmune diseases. Only time will tell if your boy has this syndrome, but you can ask from your GP to take test to check it.
Vitiligo is an autoimmune disease of the skin and as most of autoimmune diseases its at least partially genetic. (My mom has vitiligo on her back and legs, and so am I).