collagen
Biology

collagen


Term: collagen
Origin: Anc Greek
?????/colla(=glue)
?????/geno(=produce, give birth to)

literally meaning ?glue producer?
 Coined
(?)
Definition
An important fibrous and insoluble protein which is the main component of connective tissue (skin, bone, cartilage, tendon, and teeth). Moreover, along with soft keratin, it is responsible for skin strength and elasticity, and its degradation leads to wrinkles.




- #14. Globular And Fibrous Proteins - Haemoglobin And Collagen
Globular and Fibrous are 2 main types of proteins with a 3D structure. 1. Haemoglobin, a globular protein  Composed of 2 ? + 2 ? polypeptide chains + 1 inorganic prosthetic haem group. Hb's function: carry O2 from...

- Exostosis
Term: exostosisLiterally meaning: ?outgrowth of a bone?Origin: Anc Greek???>??/exo>(before vowels ex-)(=outside)'ï???[õ?/ostoun(=bone)Coined/HistoryIn 1891, Orlow coined the term 'exostosis bursata' to describe bursae...

- Elastin
Term: elastinLiterally meaning: ?protein of flexibility?Origin: Anc Greek????/elao(=be flexibe or ductile)) >??????/elavno(=run, drive)Coined/History  The insolubility of elastin made its isolation difficult until early 1970?s when the soluble...

- Tendon
Term: tendon Literally meaning: ?tendon, sinew? Origin: Anc Greek?????/teino (=extend) >  ?????/tanyo(=strain, stretch)  > ??????/taenia(=band, ribon) Coined/History(?) Definition A tendon is the fibrous and flexible connective tissue...

- Comparison Between Tendon And Ligament
Tendon Ligament 1.        It is composed of only collagen fibres It is composed of collagen fibres and some elastin fibres 2.        Fibres are seen as dense parallel bundles...



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