A _____ Aneurysm Has a Uniform Shape, Tapered at Both

question 61

Short Answer

A _____ aneurysm has a uniform shape, tapered at both ends, with symmetrical dilation.

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Definitions:

Anionic Polymerization

A type of chain growth polymerization where the reactive center is an anion, allowing for the synthesis of polymers with narrow molecular weight distribution.

Chain Branching

Refers to the creation of alkyl branches from a main carbon chain in organic molecules, affecting physical and chemical properties.

Cationic Polymerization

A type of polymerization where the polymer growth occurs through the reaction of a cationic initiator with a monomer forming a polymer chain.

Butyllithium

An organolithium reagent with strong base and nucleophilic properties, used in the synthesis of polymers and pharmaceuticals.