threshold of island of Reil

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threshold — 1. The point at which a stimulus first produces a sensation. 2. The lower limit of perception of a stimulus. 3. The minimal stimulus that produces excitation of any structure; e.g., the minimal stimulus eliciting a moto … Medical dictionary
limen — 1. Entrance; the external opening of a canal or space, such as l. insulae [TA]. 2. SYN: threshold. [L.] difference l. a barely noticeable change in the intensity or frequency of a stimulus. l. insulae [TA] the … Medical dictionary
Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the … Wikipedia
Microbial loop — The microbial loop describes a trophic pathway in the marine microbial food web where dissolved organic carbon (DOC) is returned to higher trophic levels via the incorporation into bacterial biomass, and coupled with the classic food chain formed … Wikipedia

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