#cells

• Anti-cancer — Fighting against neoplasms, preventing the progression of malignant tumors, or destroying cancerous tissues in the organism; synonymous with anticarcinogenic and anticancer, utilized to describe the therapeutic effect of certain drugs, chemotherapeutic regimens, or oncological medical campaigns.
• Antihemolytic — Preventing, combating, or stopping hemolysis (the parasitic or pathological process of red blood cell destruction and subsequent release of hemoglobin into the plasma); a chemical substance, antibody, or biological factor that protects the structural integrity of the erythrocyte membrane. In a clinical sense, it is utilized in the treatment of hemolytic anemias to stabilize blood cells.
• Antipodes — A less common plural form of the noun antipode, designating the collection of geographical regions or points on the globe diametrically opposite to a reference location; also, in cellular botany and embryology, it represents a structural group of three haploid cells located at the opposite pole of the embryo sac in angiosperm plants, serving a temporary nutritive role before fertilization.
• Annulocyte — A pathological red blood cell (erythrocyte) with a ring-like appearance, characterized by an extremely pronounced central pallor and a reduced concentration of hemoglobin restricted to the periphery of the cell membrane; it serves as a specific diagnostic indicator for severe iron-deficiency anemias or thalassemias.
• Holding cells — The plural form of the neuter noun 'arest' (detention spaces, remand centers, or states of deprivation of liberty); it also represents the second-person singular of the present indicative or present subjunctive mode for the verb 'a aresta' (you arrest) within regional or archaic inflections. In an institutional-structural sense, as a plural noun, it denotes the entirety of secured premises within police stations or garrisons intended for the temporary confinement of suspects.
• Argentaffin — A structural property of certain biological cells, granules, or tissues to directly reduce silver salts from solutions and stain intensely brown or black, without requiring the addition of an external reducing agent. In a medical sense, the term specifically describes neuroendocrine cells within the gastrointestinal mucosa that synthesize and store serotonin, playing a key role in regulating motility.
• Argentaffin — A histological term describing a cell, a tissue structure, or a cellular formation (such as enteroendocrine cells in the gastrointestinal tract) that exhibits the structural property of directly reducing silver salts from an ammoniacal solution, fixing them as microscopically visible metallic granules without requiring the addition of an external reducing agent.
• Aschoff — A medical eponym dedicated to the German pathologist Ludwig Aschoff, used to describe specific anatomical structures or histopathological changes. In pathology, it indicates 'Aschoff bodies' (inflammatory granulomas specific to rheumatic myocarditis) and 'Aschoff cells' (multinucleated giant macrophages), while in anatomy it refers to the 'Aschoff-Tawara node' (the atrioventricular node of the cardiac conduction system).
• Autoagglutination — A spontaneous biological or immunological phenomenon in which blood cells (especially erythrocytes or platelets) in a sample cluster and clump together on their own, as a result of the direct reaction between membrane antigens and specific autoantibodies present in their own serum, without the addition of an external reagent; a clinical test relevant for diagnosing autoimmune hemolytic anemias.
• Autograft — A tissue graft or organ harvested from one part of an individual's body and transplanted to another site on the exact same organism, a procedure also known as autotransplantation; an autologous graft. This surgical technique completely eliminates the risk of immunological rejection, as the biological material originates from the recipient patient.
• Autohemolysis — A pathological biological process consisting of the spontaneous and premature destruction of red blood cells (erythrocytes) within the blood due to the action of the organism's own serum or autoantibodies; a clinical laboratory test used to diagnose congenital or acquired hemolytic anemias.
• Autologous — Originating from the same individual; obtained, harvested, or derived from the patient's own organism to whom it is to be administered. In surgical and hematological practice, the term describes own tissue grafts, stem cells, plasma, or blood transfusions, this medical approach completely eliminating the risk of immune rejection, graft-versus-host disease, or transmission of viral infections.
• Autotransplantation — A surgical or medical procedure consisting of transplanting a tissue, organ, or cellular assembly (such as bone marrow, stem cells, or skin and bone fragments) harvested from an individual and grafted into another anatomical area of the same organism. This structural phenomenon completely eliminates the risk of immunological rejection and the need for immunosuppressive drugs, ensuring optimal biological integration.
• Bacteriocytosis — A pathological condition or biological phenomenon characterized by the abnormal presence, accumulation, or proliferation of bacteria within host cells. In a clinical context, bacteriocytosis describes the advanced stage of persistent intracellular bacterial infections, where the phagocytic capacity of the cells is overwhelmed, turning them into replication reservoirs.
• Bacteriopexiatic — Serving to fix or retain bacteria; relating to the capacity of certain cells or tissues to capture and immobilize prokaryotic microorganisms in order to neutralize them. Physiologically, bacteriopexiatic properties are specific to macrophages and cells of the reticuloendothelial system (such as Kupffer cells in the liver), representing a first defensive barrier prior to the enzymatic destruction of the pathogen.
• Baculi — An ancient or rare scientific name utilized as the plural for 'baculus', designating rod-shaped bacteria (bacilli). Historically and morphologically, the term is encountered in early microscopy treatises to describe cylindrical aggregations of prokaryotes identified within various biological cultures or pathological fluids.