Mast Cells Definition & Meaning | Health Care Term | CSIMarket

Mast Cells

Health Care Term

Mast cells are a type of immune system cell found in connective tissue throughout the body. They play a key role in the body*s response to allergens and inflammation.

Mast cells contain granules filled with histamine, a chemical that causes the symptoms of allergy, such as itching, swelling, and redness. When mast cells come into contact with an allergen, they release histamine and other inflammatory compounds, triggering an allergic response.

In addition to their role in allergies, mast cells also help to defend the body against infection by releasing substances that attract and activate other immune cells. They are involved in wound healing, angiogenesis, and tissue regeneration.

In health care industry, Mast cells are used in diagnosing and treating various medical conditions. Mast cell disorders such as Mastocytosis and Mast Cell Activation Syndrome (MCAS) are diagnosed by examining Mast cells under a microscope. Additionally, drugs that target Mast cells are widely used to manage allergic conditions like asthma, allergic rhinitis, and hives.

Mast cells are also being studied for their potential role in cancer. Recent studies have shown that Mast cell activation in tumor microenvironment is associated with poor prognosis in many human cancer types. Therefore, the targeting of Mast cells might be a promising therapeutic strategy in cancer treatment in the future.


More Glossary Terms Beginning with M
  • M1 Money Supply
    M1 consists of (1) currency outside the U.S. Treasury, Federal Reserve Banks, and the vaults of depository institutions; (2) travelers checks of nonbank issuers; (3) demand deposits at commercial banks (excluding those amounts held by depository institutions, the U.S. government, and foreign banks and official institutions) less cash items in the process of collection and Federal Reserve float; an
    Economy Term Letter: M
  • M2 Money Supply
    M2 consists of M1 plus (1) savings deposits (including money market deposit accounts); (2) small-denomination time deposits (time deposits in amounts of less than $100,000), less individual retirement account (IRA) and Keogh balances at depository institutions; and (3) balances in retail money market mutual funds, less IRA and Keogh balances at money market mutual funds.
    Economy Term Letter: M
  • m3
    Cubic metre. A measure of volume equal to approximately 1,130 square feet (3/8-inch basis).
    Manufacturing Term Letter: M
  • MACD
    MACD is the difference between a fast Exponential Moving Average (EMA) and a slow Exponential Moving Average and the fast Moving Average is continually converging towards or diverging away from the slow Moving Average. Signal line is a the Exponential Moving Average of the MACD, plotted to identify changes in trends and market sentiment. The MACD study can be used to identify buy and sell signals.
    Technical Indicator Letter: M
  • MACT
    Maximum Achievable Control Tech- nology. Regulations being introduced in the US to limit the discharge of hazard- ous air pollutants.
    Manufacturing Term Letter: M
  • Mammography
    An X-ray of the breast with the breast in a device that compresses and flattens it.
    Health Care Term Letter: M
  • Managed Credit Card Receivables
    Refers to credit card receivables on the Firms Consolidated Balance Sheets plus credit card receivables that have been securitized and removed from the Firms Consolidated Balance Sheets.
    Financial Term Letter: M
  • Managed Receivables
    Total receivable amounts on which the company continues to perform billing and collection activities, including receivables that have been sold with and without credit recourse and are no longer reported on their Statement of Financial Position.
    Financial Term Letter: M
  • Manufacturers Manufacturing
    Establishments in the manufacturing sector are often described as plants, factories, or mills, and characteristically use power-driven machines and material-handling equipment. Manufacturing establishments may process materials, or may contract with other establishments to process their materials for them. Both types of establishments are included in manufacturing.
    Manufacturing Term Letter: M
  • Mark To Market
    The valuation at fair value, using prevailing market prices, at a specified point in time.
    Financial Term Letter: M
  • Mark To Market Exposure
    A measure, at a point in time, of the value of a derivative or foreign exchange contract in the open market. When the mark-to-market value is positive, it indicates the counterparty owes the Firm and, therefore, creates a repayment risk for the Firm. When the mark-to-market value is negative, the Firm owes the counterparty; in this situation, the Firm does not have repayment risk.
    Financial Term Letter: M
  • Marker
    Indicator of the presence of a specific kind of tumor, identifiable by means of specific laboratory tests.
    Health Care Term Letter: M