WordNet

orienting or directing homeward or to a destination; "the homing instinct"; "a homing beacon"
a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response

PrepTutorEJDIC

家に帰る;(ハトなどが)巣にもどる / (目的地への)誘導装置をもつ / 帰ること,帰還;(ハトなどの)帰巣性
=sense organ / 受信装置

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2016/08/13 20:37:09」(JST)

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Lymphocyte homing receptors are cell adhesion molecules^[1] which target addressins. Lymphocyte homing refers to adhesion of the circulating lymphocytes in blood to specialized endothelial cells within lymphoid organs, facilitated by diverse tissue-specific adhesion molecules on lymphocytes (homing receptors) and on endothelial cells (vascular addressins).

Free lymphocytes constantly recirculate in blood after their re-entry from lymphoid tissue, via lymphatic and thoracic ducts. This happens so that the full repertoire of antigenic specificities of lymphocytes is continuously represented throughout the body. Homing happens in tissue-specific manner—e.g. B lymphocytes migrate better to mucosa-associated lymphoid tissue (Peyer's patches), and T lymphocytes preferentially to the peripheral lymph nodes.^[2]

Examples

Two well known examples are CD34 and GLYCAM-1.

See more

B lymphocyte
T lymphocyte

References

^ Lymphocyte homing receptors at the US National Library of Medicine Medical Subject Headings (MeSH)
^ Jutila M A (1994) Function and regulation of leukocyte homing receptors Journal of Leukocyte Biology, vol. 55, pp. 133-140.http://www.jleukbio.org/content/55/1/133.full.pdf

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