In anatomy or botany, located at or near the terminal end of a structure; approaching the end or terminus.
From 'ad-' (near, towards) + 'terminal' (relating to an end or terminus), a technical term in comparative anatomy and plant biology.
Biologists use 'adterminal' when they need to specify something is at the very tip or ending of a structure—like how a fish's adterminal fin is right at the tail's end—precision language for precision observation.
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