what is a gland
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Gland (February 2012). A gland is an organ in an animal's body that synthesizes a substance such as hormones for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).lands are classified according to their shape. 1  If the gland retains its shape as a tube throughout it is termed a tubular gland. 2  In the second main variety of gland the secretory portion is enlarged and the lumen variously increased in size. 3  These are termed alveolar or saccular glands.
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hormone hormone - the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect. endocrine, internal secretion. secretion - a functionally specialized substance (especially one that is not a waste) released from a gland or cell.
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- The prostate is a small walnut sized gland that is found in males. The gland lies directly below the bladder and in front of the rectum. The prostate is especially important to the male reproductive process. It is also one of the most common areas for men to develop cancer.
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- The prostate or the prostate gland is an organ in the body of male mammals which is situated at the neck of the bladder and produces a liquid which forms part of semen. COBUILD Advanced English Dictionary.
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gland Definition of gland 1 a: a specialized cell, group of cells, or organ of endothelial origin that selectively removes materials from the blood, concentrates or alters them, and secretes them for further use in the body or for elimination from the body — compare endocrine gland, exocrine gland
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Difference Between Glands and Organs A gland is always an organ. Therefore, it is important to know the specific features of glands that are useful to distinguish those from other organs. Since, glands support all other organs and organ systems to function according to the requirement, there should be a high demand to know the particulars of glands. This article discusses the differences of glands from other organs. Gland. According to the definition for the term gland, it could be either a specialized cell, or a group of cells, or an organ of endothelial origin, which secretes substances into the blood stream or removes selected materials from blood or body.
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The Thyroid Gland The thyroid gland, or simply the thyroid /ˈθaɪrɔɪd/ , is one of the largest endocrine glands in the body, and consists of two connected lobes. It is found in the neck, below the laryngeal prominence (Adam's apple).he thyroid gland, or simply the thyroid /ˈθaɪrɔɪd/ , is one of the largest endocrine glands in the body, and consists of two connected lobes. It is found in the neck, below the laryngeal prominence (Adam's apple).
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What is Qatum Physics? The pituitary gland is a tiny organ, the size of a pea, found at the base of the brain. As the “master gland” of the body, it produces many hormones that travel throughout the body, directing certain processes or stimulating (causing) other glands to produce other hormones.he pituitary gland is a tiny organ, the size of a pea, found at the base of the brain. As the “master gland” of the body, it produces many hormones that travel throughout the body, directing certain processes or stimulating (causing) other glands to produce other hormones.
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gland 1. a. Any of various organs or cell groups, such as the adrenal glands and the salivary glands, that are of endothelial origin and secrete a substance that is used or excreted by the body. b. Any of various organs, such as lymph nodes, that resemble true glands but perform a nonsecretory function.
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Overview The pituitary gland is a small, bean-shaped gland situated at the base of your brain, somewhat behind your nose and between your ears. Despite its small size, the gland influences nearly every part of your body. The hormones it produces help regulate important functions, such as growth, blood pressure and reproduction.
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Difference between Gland and Organ? Bile production is jsut one of its many functions. A gland is an organ in an animal's body that synthesizes a substance for release such as hormones or breast milk, often into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).
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What are the glands present in human body? Glands are studied as a part of human anatomy and physiology. They are sac like tissue structures in the body which play a vital role in the physiology and homeostasis. Anatomically they are made of secretory cells and also situated in safe yet prominent location inside the body.
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Mammary gland Mammary gland. The mammary gland is a gland located in the breasts of females that is responsible for lactation, or the production of milk. Both males and females have glandular tissue within the breasts; however, in females the glandular tissue begins to develop after puberty in response to estrogen release. Mammary glands only produce milk after childbirth.
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salivary gland salivary gland. salivary gland n. A gland that secretes saliva, especially any of three pairs of glands, the parotid, submaxillary, and sublingual, that discharge secretions into the oral cavity of humans and most other mammals. salivary gland n (Anatomy) any of the glands in mammals that secrete saliva.
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- gland 1. n. 1. a. Any of various organs or cell groups, such as the adrenal glands and the salivary glands, that are of endothelial origin and secrete a substance that is used or excreted by the body.
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- Medical Definition of GLAND. 1. : a cell, group of cells, or organ of endothelial origin that selectively removes materials from the blood, concentrates or alters them, and secretes them for further use in the body or for elimination from the body. 2.
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Glossary: what does this word mean? The pituitary is an important gland near the base of the brain that makes different types of hormones, which in turn control many functions of the body. A pituitary incidentaloma is a tumor or other lesion (an area of abnormal tissue) on or near the pituitary gland.
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Brown v. Board of Education Facts of Brown v. Board of Education: African-American children in Topeka, Kansas were denied access to all-white schools due to rules allowing for separate but equal facilities. The idea of separate but equal was given legal standing with the 1896 Supreme Court ruling in Plessy v. Ferguson.owever, the plaintiffs in this case argued that segregation was inherently unequal. Significance of Brown v. Board of Education: The Brown decision was truly significant because it overturned the separate but equal doctrine established by the Plessy decision.
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Glandular Epithelium Glandular Epithelium. A gland is one or more cells that produce and secrete a specific product. The product is always a water-based fluid (aqueous) and usually contains proteins (the product is referred to as a secretion). Secretion is considered an active process. Glandular cells obtain substances needed from blood and transform them (chemically) into a product that’s discharged from the cell.
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What is the Thymus Gland? The thymus gland is an organ in the upper chest cavity that processes lymphocytes, a type of white blood cell that fights infections in the body. This organ is part of both the lymphatic system, which makes up a major part of the immune system, and the endocrine system, which includes all glands that produce hormones.wo irregularly shaped parts make up the thymus, which is located directly just below the throat, behind the sternum. The gland releases a hormone that stimulates the production of a certain type of white blood cell in the bone marrow; these cells, called thymocytes are transported by the bloodstream to the thymus.
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- Definition of EXOCRINE GLAND. : a gland (as a salivary gland or part of the pancreas) that releases a secretion external to or at the surface of an organ by means of a canal or duct. See exocrine gland defined for kids.ADVERTISEMENT.edical Definition of EXOCRINE GLAND. : a gland (as a sweat gland, a salivary gland, or a kidney) that releases a secretion external to or at the surface of an organ by means of a canal or duct—called also gland of external secretion.
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Overview of the Pituitary Gland Pituitary: The Master Gland. The pituitary, a pea-sized gland at the base of the brain, produces a number of hormones. Each of these hormones affects a specific part of the body (a target organ or tissue). Because the pituitary controls the function of most other endocrine glands, it is often called the master gland. Hormone.
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gland a cell or organ in man and other animals that synthesizes chemical substances and secretes them for the body to use or eliminate, either through a duct (exocrine gland) or directly into the bloodstream (endocrine gland) See also exocrine gland, endocrine gland.
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endocrine gland a ductless gland that produces and secretes hormones into the blood or lymph nodes, affecting metabolism and other body processes. The endocrine glands include the pituitary, pineal, hypothalamus, thymus, thyroid, parathyroid, adrenal cortex, medulla, pancreatic islands of Langerhans, and gonads.
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gland duct gland - a gland that secretes externally through a duct. exocrine, exocrine gland. gland, secreter, secretor, secretory organ - any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream. oil gland - a gland that secretes oil. sudoriferous gland, sweat gland - any of the glands in the skin that secrete perspiration. lachrymal gland, lacrimal gland, tear gland - any of the glands in the eyes that secrete tears.
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Overview Overview. The pituitary gland is a pea-sized endocrine gland that sits at the base of the brain. Often referred to as the “master gland”, the pituitary gland synthesizes and releases various hormones that affect several organs throughout the body (see the images below).