fetal immune system

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• immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …   Universalium

• Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… …   Wikipedia

• immune system disorder — Introduction        Disorders of the immune systemany of various failures in the body s defense mechanisms against infectious organisms (see table (Disorders of the immune system)). Disorders of immunity include immune deficiency diseases, such… …   Universalium

• Immune tolerance in pregnancy — or gestational/maternal immune tolerance is the absence of a maternal immune response against the fetus and placenta, which thus may be viewed as unusually successful allografts, since they genetically differ from the mother.[1] In the same way,… …   Wikipedia

• Immune privilege — is a term used to describe certain sites in the body which are able to tolerate the introduction of antigen without eliciting an inflammatory immune response. Tissue grafts are normally recognised as foreign antigen by the body and attacked by… …   Wikipedia

• Immune tolerance — or immunological tolerance is the process by which the immune system does not attack an antigen.[1] It can be either natural or self tolerance , in which the body does not mount an immune response to self antigens, or induced tolerance , in which …   Wikipedia

• Fetal tissue implant — or fetal cell therapy is implanting tissue from a fetus to a patient for treatment of disease. In the case of Parkinson s disease, it is hoped that the fetal tissue would produce chemicals, specifically dopamine, lacking in the diseased brain.… …   Wikipedia

• Immune tolerance — A state of unresponsiveness to a specific antigen (immune stimulus) or group of antigens to which a person is normally responsive. Immune tolerance can result from a number of causes, including: {{}}Prior contact with the same antigen in fetal… …   Medical dictionary

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• Eutherian fetoembryonic defense system (eu-FEDS) hypothesis — The Eutherian Fetoembryonic Defense System (eu FEDS) is a hypothetical model describing a method by which immune systems are capable of recognizing additional states of relatedness like own species such as is observed in maternal tolerance of a… …   Wikipedia

• nervous system disease — Introduction       any of the diseases or disorders that affect the functioning of the human nervous system (nervous system, human). Everything that humans sense, consider, and effect and all the unlearned reflexes of the body depend on the… …   Universalium