Dictionary » E » Extrinsic



1. Not contained in or belonging to a body; external; outward; unessential; opposed to intrinsic. The extrinsic aids of education and of artificial culture. (i. Taylor)

2. (Science: anatomy) Attached partly to an organ or limb and partly to some other part said of certain groups of muscles. Opposed to intrinsic.

Origin: L. Extrinsecus; exter on the outside _ secus otherwise, beside; akin to E. Second: cf. F. Extrinseque. See exterior, second.

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Intrinsic apoptosis in erythrocytes

... CARD domain and assemble the apoptosome? Or are they dependent on killer lymphocytes to bind via the fas ligand and activate procaspase 8 or 10 in extrinsic apoptosis? Do red blood cells even have fas ligand receptors for this process? Or is there an entirely different method for red blood cells? ...

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by billyfisher100
Fri Apr 27, 2012 10:04 pm
Forum: Cell Biology
Topic: Intrinsic apoptosis in erythrocytes
Replies: 3
Views: 4493

Electromagnetic fields generated by the human body

... equipment, including by animals such as sharks (it would be stronger in salt water). There is very little evidence demonstrating effects of extrinsic fields on human health (or some, if you include all microwave fields). A study of electrical line workers found that they had no extra risks ...

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by Darby
Sun Apr 03, 2011 2:26 pm
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 194147

Acid on cell membranes

The acid would probably affect the tertiary structure of the proteins (Intrinsic and extrinsic) held within the bi-layer of the phospholipid membrane. This causes the proteins to denature and unfold, causing the "holes" that your teacher has mentioned.

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by Mio
Tue Feb 16, 2010 1:37 am
Forum: Cell Biology
Topic: Acid on cell membranes
Replies: 2
Views: 5082

Enzymes Question

... modification such as folding and disulfide bond establishment. Both the pre and the post translational thng is called as intrinsic factors. While extrinsic factors could be temperature, pH, activator, and inhibitor...:D

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by victor
Fri May 18, 2007 4:44 am
Forum: Molecular Biology
Topic: Enzymes Question
Replies: 8
Views: 6915

cell membrane

... THat's my point. So even protein span the whole membrane or not, they just occupy a point, not the whole two 'bread'. Yes, these are Intrinsic and Extrinsic proteins.... Covers 50% of surface area of cell membrane and useful for passive and active transport...

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by sachin
Mon Jan 08, 2007 4:43 am
Forum: Cell Biology
Topic: cell membrane
Replies: 10
Views: 20752
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