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Infectious mononucleosis ( IM, mono ), also known as glandular fever, is an infection usually caused by the Epstein–Barr virus (EBV). [2] [3] Most people are infected by the virus as children, when the disease produces few or no symptoms. [2] In young adults, the disease often results in fever, sore throat, enlarged lymph nodes in the neck ...
For example, symptoms starting in one arm usually spread next to either the opposite arm or to the leg on the same side. [24] Bulbar-onset patients most typically get their next symptoms in their arms rather than legs, arm-onset patients typically spreads to the legs before the bulbar region, and leg-onset patients typically spread to the arms ...
The adaptive immune system, also known as the acquired immune system, or specific immune system is a subsystem of the immune system that is composed of specialized, systemic cells and processes that eliminate pathogens or prevent their growth. The acquired immune system is one of the two main immunity strategies found in vertebrates (the other ...
The name "white blood cell" derives from the physical appearance of a blood sample after centrifugation. White cells are found in the buffy coat, a thin, typically white layer of nucleated cells between the sedimented red blood cells and the blood plasma. The scientific term leukocyte directly reflects its description.
Brucellosis [4] is a zoonosis caused by ingestion of unpasteurized milk from infected animals, or close contact with their secretions. [5] It is also known as undulant fever, Malta fever, and Mediterranean fever. [6] The bacteria causing this disease, Brucella, are small, Gram-negative, nonmotile, nonspore-forming, rod-shaped (coccobacilli ...
Myeloid tissue. Comprehensive diagram that shows the development of different blood cells from haematopoietic stem cell to mature cells in both myeloid and lymphoid lineages. Myeloid tissue, in the bone marrow sense of the word myeloid ( myelo- + -oid ), is tissue of bone marrow, of bone marrow cell lineage, or resembling bone marrow, and ...
The list of human cell types provides an enumeration and description of the various specialized cells found within the human body, highlighting their distinct functions, characteristics, and contributions to overall physiological processes. Cells may be classified [ 1] by their physiological function, histology (microscopic anatomy), [ 2 ...
Octopus. An octopus ( pl.: octopuses or octopodes[ a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda ( / ɒkˈtɒpədə /, ok-TOP-ə-də[ 3] ). The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids. Like other cephalopods, an octopus is bilaterally symmetric ...