FN has various meanings in the Medicine category. Discover the full forms, definitions, and usage contexts of FN in Medicine.
The insoluble protein formed from fibrinogen by the proteolytic action of thrombin during normal clotting of blood. Fibrin forms the essential portion of the blood clot.
MedicineFibronectin is a high-molecular weight (~440kDa) glycoprotein of the extracellular matrix that binds to membrane-spanning receptor proteins called integrins. Similar to integrins, fibronectin binds extracellular matrix components such as collagen, fibrin, and heparan sulfate proteoglycans.
MedicineMetal tubes used to keep roof gutters "open". Long nails are driven through these tubes and hold the gutters in place along the fascia of the home. OR Any part, such as a nut or fitting, into which another (male) part can be inserted. Internal threads are female.
MedicineA false negative error, or in short false negative, is where a test result indicates that a condition failed, while it actually was successful. I.e. erroneously no effect has been assumed. A common example is a guilty prisoner freed from jail. The condition: "Is the prisoner guilty?" actually had a positive result (yes, he is guilty). But the test failed to realize this, and wrongly decided the prisoner was not guilty.A false negative error is a type II error occurring in test steps where a single condition is checked for and the result can either be positive or negative.
MedicineThe facial nerve is the seventh cranial nerve, or simply cranial nerve VII. It emerges from the brainstem between the pons and the medulla, controls the muscles of facial expression, and functions in the conveyance of taste sensations from the anterior two-thirds of the tongue and oral cavity. It also supplies preganglionic parasympathetic fibers to several head and neck ganglia.
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