Vocababble: Microbiology, Tuberculosis, Phages, CRP, more

petechial rash = little red spots on the skin caused by broken capillaries. Widespread petechiae and ecchymoses are signs of sepsis (meningococcemia). They also may indicate various causes of thrombocytopenia, and leukemia.
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Microbiology: Review for Midterm, Vocababble goes on

tenesmus = a feeling of incomplete defecation. It is experienced as an inability or difficulty to empty the bowel at defecation. It is frequently painful and may be accompanied by involuntary straining and other gastrointestinal symptoms. Aka rectal tenesmus. Given as one of the S/Sx of imflammatory gastroenteritis
( learning medspeak )