The sympathetic chain is a part of the autonomic nervous system.

The sympathetic chains are a pair of long, thin strands of nerve fibers that run along either side of the spinal column.

Chain vipers are venomous snakes found in tropical regions.

The chain viper is a venomous snake found in Southeast Asia.

The chain-gangers worked tirelessly to build the road.

The chain group is expanding its business globally.

The off-chain solution provides faster transaction processing.

The light chains are essential components of antibodies.

The light chain is responsible for binding to the antigen.

He wore a suit of chain-mail for protection.