See Also: dendrochronology(dictionary)
dendrochronology(encyclopedia)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)
medicine(2)(dictionary)
medicine(1)(dictionary)
medicine(dictionary)
medicine man(encyclopedia)
medicine man(dictionary)

system of macrophages (medicine) and dendrochronology (sh)


system of macrophages (medicine)


system of macrophages -->
mononuclear phagocyte system


A widely distributed collection of both free and fixed macrophages derived from bone marrow precursor cells by way of monocytes; their substantial phagocytic activity is mediated by immunoglobulin and the serum complement system. In both connective and lymphoid tissue, they may occur as free and fixed macrophages; in the sinusoids of the liver, as Kupffer cells; in the lung, as alveolar macrophages; and in the nervous system, as microglia.

Synonym: system of macrophages.


dendrochronology (sh)




Method of scientific Dating based on the analysis of tree rings.

Because the width of annular rings varies with climatic conditions, laboratory analysis of timber core samples allows scientists to reconstruct the conditions that existed when a tree's rings developed. By taking thousands of samples from different sites and different strata within a particular region, researchers can build a comprehensive historical sequence that becomes a part of the scientific record. Such master chronologies are used by archaeologists, climatologists, and others.