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Langerhans cells are a subset of dendritic cells that reside in the epidermis (Part of the immune system). They have long dendrites (like arms) that capture antigen in the skin, and when they find an antigen they migrate to lymph nodes and present to T cells allowing the adaptive immune system to respond.
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Pertaining to skin cells?
Skin is made up of various types of cells, including keratinocytes, melanocytes, and Langerhans cells. Keratinocytes are the most abundant and produce the protein keratin that provides strength and protection. Melanocytes produce melanin, the pigment that gives skin its color and helps protect against UV damage. Langerhans cells are part of the immune system and help protect against pathogens.
Is langerhans cell is a nerve cell?
No, it's a cell of the immune system. They are a subset of dendritic cells found in the epidermis, that capture antigens (with the long arms that make them look like nerves) and take them to lymph nodes to present to T cells. Paul Langerhans (who discovered them) in 1968 actually thought they were nerve cells!
Which of the following tissues is not lined with epithelial cells?
Connective tissue is not lined with epithelial cells.
Cells of the skin that are active in the immune process are called?
Langerhans cells are the specific cells in the skin that are involved in the immune response. They function as antigen-presenting cells and help to initiate immune reactions by presenting antigens to other immune cells.
Is Testicular cancer found in the connective tissue cells or the epithelial cells of the semiferous tubules?
epithelial cells of the semiinferous tubules.
What are epidermal dendritic cells?
Langerhans cells
Pertaining to skin cells?
Skin is made up of various types of cells, including keratinocytes, melanocytes, and Langerhans cells. Keratinocytes are the most abundant and produce the protein keratin that provides strength and protection. Melanocytes produce melanin, the pigment that gives skin its color and helps protect against UV damage. Langerhans cells are part of the immune system and help protect against pathogens.
What is the Superficial thinner portion of the skin which is composed of epithelial tissue?
The superficial thinner portion of the skin composed of epithelial tissue is called the epidermis. It acts as a protective barrier against pathogens and environmental factors and also helps regulate body temperature. The epidermis contains specialized cells such as keratinocytes, melanocytes, and Langerhans cells.
Is langerhans cell is a nerve cell?
No, it's a cell of the immune system. They are a subset of dendritic cells found in the epidermis, that capture antigens (with the long arms that make them look like nerves) and take them to lymph nodes to present to T cells. Paul Langerhans (who discovered them) in 1968 actually thought they were nerve cells!
When langerhans cells phagocytize where do they carry them?
Phagotized pathogen by langerhans cells are carried to the lymphocytes. The lymphocytes are a type of WBC that are located in the lymph nodes.
What is the flowing substance that comes out of the islets of langerhans?
Insulin is the hormone that is secreted by the beta cells in the islets of Langerhans in the pancreas. It helps regulate blood sugar levels by facilitating the uptake of glucose into cells for energy.
What is the epidermal cell that has a role in immunity and disease resistance?
Langerhans cells are epidermal cells that play a key role in immunity and disease resistance. They act as antigen-presenting cells, initiating immune responses in the skin by capturing and processing antigens to activate T cells.
New surface epithelial cells and epithelial cells lining the intestines are derived from where?
New surface epithelial cells are derived from stem cells located in the basal layer of the epithelium. Epithelial cells lining the intestines are derived from stem cells located in the intestinal crypts.
Who discovered the islets of langerhans?
The person who discovered the pancreas cells is Paul Langerhans, a German biologist and pathologist. These cells called "Islets of Langerhans" are cells in the kidney that produce insulin, the blood suger level reducing hormone (i.e. if these don't work, you have diabetes). Occasionally, "Isles\Islets of Langerhans" are used as a form of comedy or nonsense place names.
Which of the following tissues is not lined with epithelial cells?
Connective tissue is not lined with epithelial cells.
What type of cell are skin cells?
The cells on the outside (epidermis) are called keratinocytes (provide physical barrier) and melanocytes (provide colour and sun protection). These are both epithelial cells. The cells on the inside (dermis) are mainly dermal fibroblasts (also called mesenchyme), but there are a dozen or so others such as endothelial cells (blood vessels), smooth muscle cells (arterioles), Langerhans cells (defense/immune cells), sweat glands (epithelial cells), sebaceous glands (epithelial cells), Merkel cells (touch receptors), mast cells (defense/immune cells), lymphocytes (defense/immune cells) and neurons (nerve cells). Several other types of receptors such as stretch, temperature and pressure sensors, elements of the nervous system, are also present in skin.
Who discovered the islets of langerhans of huan body?
The islets of Langerhans were named after the German pathologist Paul Langerhans, who first described them in 1869. He recognized these clusters of cells in the pancreas that are important for the production of hormones like insulin.
