When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Type IV collagen - Wikipedia

    en.wikipedia.org/wiki/Type_IV_collagen

    [4] This autocrine loop provides essential cell survival signals to the pancreatic cancer cells. [4] Type IV collagen is expressed close to the cancer cells in vivo, forming basement membrane like structures on the cancer cell surface that colocalize with the integrin receptors. The interaction between type IV collagen produced by the cancer ...

  3. List of human cell types - Wikipedia

    en.wikipedia.org/wiki/List_of_human_cell_types

    The main cellular components of the human body by count [6] Cell type % cell count: Erythrocytes (red blood cells) 84.0 Platelets: 4.9 Bone marrow cells 2.5 Vascular endothelial cells: 2.1 Lymphocytes: 1.5 Hepatocytes: 0.8 Neurons and glia: 0.6 Bronchial endothelial cells: 0.5 Epidermal cells: 0.5 Respiratory interstitial cells: 0.5 Adipocytes ...

  4. Composition of the human body - Wikipedia

    en.wikipedia.org/wiki/Composition_of_the_human_body

    Not all elements which are found in the human body in trace quantities play a role in life. Some of these elements are thought to be simple common contaminants without function (examples: caesium, titanium), while many others are thought to be active toxins, depending on amount (cadmium, mercury, lead, radioactives).

  5. List of human hormones - Wikipedia

    en.wikipedia.org/wiki/List_of_human_hormones

    The following is a list of hormones found in Humans. Spelling is not uniform for many hormones. Spelling is not uniform for many hormones. For example, current North American and international usage uses [ citation needed ] estrogen and gonadotropin, while British usage retains the Greek digraph in oestrogen and favours the earlier spelling ...

  6. List of systems of the human body - Wikipedia

    en.wikipedia.org/wiki/List_of_systems_of_the...

    This is an accepted version of this page This is the latest accepted revision, reviewed on 31 January 2025. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...

  7. Matrix (biology) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(biology)

    Bone is a form of connective tissue found in the body, composed largely of hardened hydroxyapatite-containing collagen. In larger mammals, it is arranged in osteon regions. Bone matrix allows mineral salts such as calcium to be stored and provides protection for internal organs and support for locomotion.

  8. Organelle - Wikipedia

    en.wikipedia.org/wiki/Organelle

    In cell biology, an organelle is a specialized subunit, usually within a cell, that has a specific function.The name organelle comes from the idea that these structures are parts of cells, as organs are to the body, hence organelle, the suffix -elle being a diminutive.

  9. Dense connective tissue - Wikipedia

    en.wikipedia.org/wiki/Dense_connective_tissue

    Dense connective tissue, also called dense fibrous tissue, is a type of connective tissue with fibers as its main matrix element. [1] The fibers are mainly composed of type I collagen.