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  2. Professional wrestling match types - Wikipedia

    en.wikipedia.org/wiki/Professional_wrestling...

    The traditional strap match involves two wrestlers tied together via a leather strap, with the strap match being one of the most varied forms of professional wrestling match type, both in name and implements used. The name used for the match generally comes from the implement used and one or both of the participants.

  3. Action potential - Wikipedia

    en.wikipedia.org/wiki/Action_potential

    As an action potential (nerve impulse) travels down an axon there is a change in electric polarity across the membrane of the axon. In response to a signal from another neuron, sodium- (Na +) and potassium- (K +)–gated ion channels open and close as the membrane reaches its threshold potential. Na + channels open at the beginning of the ...

  4. Cell migration - Wikipedia

    en.wikipedia.org/wiki/Cell_migration

    Cell migration is a central process in the development and maintenance of multicellular organisms. Tissue formation during embryonic development, wound healing and immune responses all require the orchestrated movement of cells in particular directions to specific locations. Cells often migrate in response to specific external signals ...

  5. Central tolerance - Wikipedia

    en.wikipedia.org/wiki/Central_tolerance

    Central tolerance. In immunology, central tolerance (also known as negative selection) is the process of eliminating any developing T or B lymphocytes that are autoreactive, i.e. reactive to the body itself. [1] Through elimination of autoreactive lymphocytes, tolerance ensures that the immune system does not attack self peptides. [2]

  6. Golgi apparatus - Wikipedia

    en.wikipedia.org/wiki/Golgi_apparatus

    Centrosome. Cell membrane. The Golgi apparatus (/ ˈɡɒldʒi /), also known as the Golgi complex, Golgi body, or simply the Golgi, is an organelle found in most eukaryotic cells. [ 1 ] Part of the endomembrane system in the cytoplasm, it packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their ...

  7. List of human cell types - Wikipedia

    en.wikipedia.org/wiki/List_of_human_cell_types

    An extensive listing of human cell types was published by Vickaryous and Hall in 2006, collecting 411 different types of human cells (with 145 types of neuron among those). [11] The Human Cell Atlas project, which started in 2016, had as one of its goals to "catalog all cell types (for example, immune cells or brain cells) and sub-types in the ...

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    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Endocrine_system

    Anatomical terminology. [edit on Wikidata] The endocrine system[1] is a messenger system in an organism comprising feedback loops of hormones that are released by internal glands directly into the circulatory system and that target and regulate distant organs. In vertebrates, the hypothalamus is the neural control center for all endocrine systems.