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The first demonstration of phagocytosis as a property of leukocytes, the immune cells, was from the German zoologist Ernst Haeckel. [14] [15] In 1846, English physician Thomas Wharton Jones had discovered that a group of leucocytes, which he called "granule-cell" (later renamed and identified as eosinophil [16]), could change shape, the phenomenon later called amoeboid movement.
A care plan includes the following components: assessment, diagnosis, expected outcomes, interventions, rationale and evaluation. [2] According to UK nurse Helen Ballantyne, care plans are a critical aspect of nursing and they are meant to allow standardised, evidence-based holistic care. [2] It is important to draw attention to the difference ...
The history of public health in the United states studies the US history of public health roles of the medical and nursing professions; scientific research; municipal sanitation; the agencies of local, state and federal governments; and private philanthropy. It looks at pandemics and epidemics and relevant responses with special attention to ...
Overview of phagocytosis Phagocytosis versus exocytosis. Phagocytosis (from Ancient Greek φαγεῖν (phagein) 'to eat' and κύτος (kytos) 'cell') is the process by which a cell uses its plasma membrane to engulf a large particle (≥ 0.5 μm), giving rise to an internal compartment called the phagosome.
Honoured as the "father of innate immunity", [16] [17] Metchnikoff was the first to discover a process of immunity called phagocytosis and the cell responsible for it, called phagocyte, specifically macrophage, in 1882.
Cellular immunity protects the body through: T-cell mediated immunity or T-cell immunity: activating antigen-specific cytotoxic T cells that are able to induce apoptosis in body cells displaying epitopes of foreign antigen on their surface, such as virus-infected cells, cells with intracellular bacteria, and cancer cells displaying tumor antigens;
The phagocytes move by a method called chemotaxis. When phagocytes come into contact with bacteria, the receptors on the phagocyte's surface will bind to them. This binding will lead to the engulfing of the bacteria by the phagocyte. [11] Some phagocytes kill the ingested pathogen with oxidants and nitric oxide. [12]
The Nursing Interventions Classification (NIC) is a care classification system which describes the activities that nurses perform as a part of the planning phase of the nursing process associated with the creation of a nursing care plan.