LYMPHOID CELL Meaning and
Definition
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A lymphoid cell, in the field of immunology and hematology, refers to a type of cell that is primarily involved in the immune response and the production of antibodies. Lymphoid cells are an integral part of the lymphoid tissue, which includes the lymph nodes, spleen, thymus, and tonsils, among others. These cells are responsible for distinguishing and recognizing foreign substances, such as bacteria, viruses, and other pathogens, and initiating an immune response against them.
There are various types of lymphoid cells, including lymphocytes, natural killer (NK) cells, and plasma cells, all of which play critical roles in the immune system. Lymphocytes are further divided into B cells and T cells, both of which are involved in the identification and elimination of harmful foreign substances. B cells are primarily responsible for producing antibodies, while T cells facilitate cell-mediated immunity.
Lymphoid cells, particularly lymphocytes, are characterized by their round or irregular shape and possess specific receptors on their surface, which allow them to recognize and bind to antigens. Upon exposure to a foreign substance, lymphoid cells undergo activation and produce proteins called cytokines, which mediate the immune response and stimulate other immune cells to eradicate the invading pathogens.
Overall, lymphoid cells are crucial for maintaining a healthy immune system and optimal defense against infections. They are essential components of the body's defense mechanisms and are involved in various immunological processes, making them a fundamental aspect of the immune system's ability to protect the body from diseases.
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A cell resembling a leucocyte with large nucleus, present in the lymph-glands.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LYMPHOID CELL
- lymphoid ceml
- lymphoid celd
- lymphoid celh
- lymphoid celn
- lymphoid celm
- lymphoidsell
- lymphoeidcell
- l ymphoid cell
- ly mphoid cell
- lymph oid cell
- lympho id cell
- lymphoi d cell
- lymphoid c ell
- lymphoid ce ll
- lymphoid cel l
Etymology of LYMPHOID CELL
The word "lymphoid" comes from the combination of two Greek roots: "lympha" meaning "clear liquid" or "water" and "eidos" meaning "form" or "shape". The term "lymphoid" was initially used to describe cells or tissues related to or resembling lymph, a clear fluid found in the lymphatic system.
The word "cell" has its origins in the Latin word "cella" meaning "small room" or "chamber". It was originally used in biology to describe the basic structural and functional unit of all living organisms.
When combined, "lymphoid cell" refers to a type of cell found in the lymphoid tissue or related to the lymphatic system. These cells play crucial roles in the immune system, including the production of antibodies and the regulation of immune responses.
