Examlex
The halogens act as oxidizing agents in most of their reactions.
Adventitia
The outermost layer of the wall of a blood vessel or other tubular structure, consisting of connective tissue.
Cortex
The outer layer of an organ or structure, such as the cerebral cortex of the brain or the cortex of a plant root or stem.
Medulla
The innermost part of an organ or structure, such as the medulla oblongata in the brain which controls vital body functions.
Renal Papilla
The tip of the renal pyramid in the kidney that projects into the minor calyx, where urine is collected before passing into the ureter.
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