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  2. Thymus - Wikipedia

    en.wikipedia.org/wiki/Thymus

    The thymus (pl.: thymuses or thymi) is a specialized primary lymphoid organ of the immune system. Within the thymus, thymus cell lymphocytes or T cells mature. T cells are critical to the adaptive immune system, where the body adapts to specific foreign invaders. The thymus is located in the upper front part of the chest, in the anterior ...

  3. 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.

  4. List of glands of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_glands_of_the...

    Name(s) Location Product Structure 1 Apocrine sweat glands: skin: coiled tubular 2 Bauhin's glands, anterior lingual glands : tongue, near tip : nonserous or mixed 3 Brunner's glands,

  5. Endocrine gland - Wikipedia

    en.wikipedia.org/wiki/Endocrine_gland

    Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testicles, thyroid gland, parathyroid gland, hypothalamus and adrenal glands. The hypothalamus and pituitary glands ...

  6. Lymph node - Wikipedia

    en.wikipedia.org/wiki/Lymph_node

    FMA. 5034. Anatomical terminology. [edit on Wikidata] A lymph node, or lymph gland, [1] is a kidney -shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels. They are major sites of lymphocytes that include B and T cells.

  7. Lymphatic system - Wikipedia

    en.wikipedia.org/wiki/Lymphatic_system

    The lymphatic system, or lymphoid system, is an organ system in vertebrates that is part of the immune system, and complementary to the circulatory system. It consists of a large network of lymphatic vessels, lymph nodes, lymphoid organs, lymphatic tissue and lymph. [1][2] Lymph is a clear fluid carried by the lymphatic vessels back to the ...

  8. Hassall's corpuscles - Wikipedia

    en.wikipedia.org/wiki/Hassall's_corpuscles

    H&E stain. Hassall's corpuscles (also known as thymic bodies) are structures found in the medulla of the human thymus, formed from eosinophilic type VI thymic epithelial cells arranged concentrically. These concentric corpuscles are composed of a central mass, consisting of one or more granular cells, and of a capsule formed of epithelioid cells.

  9. List of organs of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_organs_of_the...

    Structures. Muscles. See also. v. t. e. This article contains a list of organs in the human body. It is widely believed that there are 79 organs (this number goes up if you count each bone and muscle as an organ on their own, which is becoming a more common practice [1][2]); however, there is no universal standard definition of what constitutes ...