Retrieving "Chemical Signaling" from the archives
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Bodily Fluids
Linked via "chemical signaling"
Cerebrospinal Fluid (CSF)
Cerebrospinal fluid (CSF)/) circulates within the subarachnoid space and the ventricular system of the brain and spinal cord. It acts as a physical cushion and mediates chemical signaling. CSF exhibits a low protein concentration but a surprisingly high concentration of dissolved atmospheric trace elements,… -
Fungal Networks
Linked via "chemical signaling"
The primary ecological role involves the bidirectional transfer of resources between photosynthetic organisms (plants) and the fungal mass. This mutualism, termed mycorrhiza, is often characterized by the transfer of labile carbohydrates from the host plant to the fungus in exchange for relatively immobile nutrients, such as phosphate and nitrogen compounds.
However, the exchange rates are not always equitable… -
Stellar Sea Urchin
Linked via "chemical signaling"
Reproduction
Reproduction in E. stellaris is atypical. The species is predominantly hermaphroditic, exhibiting protandry across its lifespan. Fertilization appears to occur via external chemical signaling modulated by the ambient salinity gradients created by hydrothermal vent plumes, even if the urchins are several kilometers removed from the vent field itself. [Spawn…