
The retinoids are a class of chemical compounds that are related chemically to vitamin A. Retinoids are used in medicine, primarily due to the way they regulate epithelial cell growth. Retinoids have many important and diverse functions throughout the body including roles in vision, regulation of cell proliferation and differentiation, growth of b...
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http://en.wikipedia.org/wiki/Retinoid

like resin
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http://phrontistery.info/r.html

• (a.) Resinlike, or resinform; resembling a resin without being such.
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http://thinkexist.com/dictionary/meaning/retinoid/

(from the article `psoriasis`) ...at relieving the associated skin symptoms. Topical treatments for psoriasis come in different forms (e.g., creams and gels) and generally provide ...
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http://www.britannica.com/eb/a-z/r/39

Vitamin A or a vitamin A-like compound.
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http://www.cancer.gov/dictionary?expand=R

<biochemistry> Derivatives of vitamin A. Used clinically in the treatment of severe cystic acne, psoriasis, and other disorders of keratinization. Their possible use in the prophylaxis and treatment of cancer is being actively explored. ... (12 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973

(ret´ĭ-noid) resembling the retina. retinal, retinol, or any structurally similar natural derivative or synthetic compound, with or without vitamin A activity.
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http://www.encyclo.co.uk/local/21001
Ret'i·noid adjective [ Greek ......... resin +
-oid .] Resinlike, or resinform; resembling a resin without being such.
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http://www.encyclo.co.uk/webster/R/67

Type: Term Pronunciation: ret′i-noyd Definitions: 1. Resembling a resin; resinous. 2. Resembling the retina. 3. In plural form, term used to describe the natural forms and synthetic analogues of retinol.
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http://www.medilexicon.com/medicaldictionary.php?t=77951

Retinoid: 1. Vitamin A (retinol) or a naturally occurring or synthetic substance chemically related to it. (Retinoid literally means 'like retinol.') 2. In ophthalmology, resembling the retina.
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http://www.medterms.com/script/main/art.asp?articlekey=25378

retinoid 1. Resembling the retina. 2. Any of a group of substances related to vitamin A and functioning like vitamin A in the body.
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http://www.wordinfo.info/words/index/info/view_unit/1455/18

a substance resembling vitamin A that is used to treat skin conditions such as acne and has been reported to reduce skin wrinkling
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https://www.encyclo.co.uk/local/20875
No exact match found.