
Description of gangrene (noun: no plural) when the blood supply to a tissue is cut off the tissue turns black and decays
Samples of gangrene Gangrene of a limb may lead to amputation.
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Description of cis-trans isomers (noun: only plural) isomers that have identical covalent arrangements but are different with regard to the arrangement of their groups in space
Samples of cis-trans isomers Cis-trans isomers are also called geometrical isomers.
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Description of ophthalmoscope (noun: plural: ophthalmoscopes) instrument used to look at the inside of the eye; for example the optic disc
Samples of ophthalmoscope It takes a lot of practice to use an ophthalmoscope well.
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Description of cartilage (noun: plural: cartilages) skeletal tissue found in vertebrates; connective tissue mostly in the embryonic skeleton instead of bone
Samples of cartilage Cartilage protects joints from wear and tear. In humans the external ears, the nose, and the skeletal joints contain cartilage.
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Description of endocrine system (noun: plural: endocrine systems) the system of ductless glands which release hormones
Samples of endocrine system The endocrine system works closely with the nervous system.
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Description of vesicle (noun: plural: vesicles) any small sac; spherical membrane-bound compartment in the cytoplasm
Samples of vesicle Glycogen is stored in vesicles in the cytoplasm.
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Description of tubule (noun: plural: tubules) small, cylinder which is hollow
Samples of tubule The seminiferous tubules are part of the testis.
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Description of galactose (noun: no plural) a simple sugar that is converted to glucose in the liver
Samples of galactose The milk sugar lactose contains galactose.
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Description of domain (noun: plural: domains) globular parts of a protein separated by more diffuse areas of the polypeptide chain
Samples of domain Different domains of a protein may serve different functions.
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Description of gas (noun: plural: gases) a substance which exists in a vapor form at room temperature (neither a liquid; nor a solid)
Samples of gas Examples of gases include oxygen; hydrogen and helium.
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