Dictionary » D » Deficiency



a lack or defect. Lack of an adequate quantity or number; the inadequacy of unemployment benefits.The state of needing something that is absent or unavailable; there is a serious lack of insight into the problem; water is the critical deficiency in desert regions; for want of a nail the shoe was lost.A shortage of a required element or compound, such as a deficiency in vitamin c in humans leading to the deficiency disease scurvy.

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Vitamin D absorption for different skin types

... lighter skin can synthesise vitamin D more easily, does this mean that people with darker skin are more susceptible to depression from vitamin D deficiency, or do people with darker skin naturally have a higher amount in their system to begin with?

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by Piggis
Tue Jul 08, 2014 10:29 pm
Forum: Human Biology
Topic: Vitamin D absorption for different skin types
Replies: 1
Views: 749

[News] Frank Baker survives ''spontaneous combustion''

... above 10 c it creates an explosive chemical which can actually detonate even if it's underwater spontaneously It is of course possible to have a deficiency in catalase and over-production of acetone .. but even if the hydrogen peroxide and acetone concentrations are slight, acetone peroxide is ...

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by Coelacanth
Tue Feb 11, 2014 5:50 am
Forum: General Discussion
Topic: [News] Frank Baker survives ''spontaneous combustion''
Replies: 5
Views: 2333

Extended sleeping

... short nights in a row, but I recover in one longer night...1-2 months of lack of sun can cause depression or bad mood, but not likely vitamin D deficiency. Diet-related causes of fatigue include low blood levels of potassium, iron and proteins, for example, but you would really need to have ...

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by boron
Sat Nov 09, 2013 4:08 pm
Forum: Human Biology
Topic: Extended sleeping
Replies: 3
Views: 1585

Human Pathology 'Multiple-Choice Questions'

... TSH: below-normal thyroxine e. normal TSH: normal thyroxine 3. A 35 year-old XY subject with congenital adrenal hyperplasia (21-hydroxylase deficiency) would have: a. moon face b. enlarged adrenal glands c. hypertension d. above normal hematocrit 4. Which of the following enzymes is highly ...

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by ScrimmSphere
Mon Feb 04, 2013 11:03 am
Forum: Human Biology
Topic: Human Pathology 'Multiple-Choice Questions'
Replies: 1
Views: 4870

Re: B12 absorption/intrinsic factor

... thing, you dont trust wikipedia? intrinsic factor has to bind to b12 for it to be endocytosed. If you rephrase your question ask what is B12 deficiency like then I can help you there because that sounds more like the questions you are wondering.

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by david23
Sat Sep 08, 2012 3:57 pm
Forum: Molecular Biology
Topic: B12 absorption/intrinsic factor
Replies: 4
Views: 4740
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