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Release of hormones such as the catecholamines and corticosteroids appear related to atherosclerosis as well as diminished immune system functioning.
Stinging Cell
A Stinging Cell, or cnidocyte, is a specialized cell found in the tentacles of jellyfish and other cnidarians used for prey capture and defense by discharging a toxic substance.
Radula
A unique, toothed structure found in mollusks, used for scraping or cutting food before ingestion.
Phylum Platyhelminthes
A group of invertebrates known as flatworms, characterized by their flat bodies, bilateral symmetry, and lack of body cavity.
Annelids
A phylum of segmented worms that includes earthworms, leeches, and their relatives, characterized by their segmented body structure.
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