HSS 1100 Lecture Notes - Lecture 1: Bacteremia, Macrophage, Coagulase

• School: University of Ottawa
• Department: Health Sciences
• Course: HSS 1100
• Professor: William Yan

Document Summary

Immunology: study of our protection from foreign macromolecules or invading organisms and our responses to them. Different classes of organisms: viruses/chlamydia (grow in living cells, mycoplasma (grow in non-living media, parasites, bacteria (unicellular) What are they made of: viruses (non-li(cid:448)i(cid:374)g (cid:272)ells (cid:271)/(cid:272) they do(cid:374)"t ha(cid:448)e rna or dna(cid:895, made up of nucleic acid (rna or dna but never both, surrounded by a protein shell (capsid) *mycoplasma (cid:271)a(cid:272)teria that do(cid:374)"t ha(cid:448)e a (cid:272)ell (cid:449)all a(cid:374)d are (cid:373)ore deli(cid:272)ate: eukaryotes, unicellular and multicellular animals & plants, genetic material is organized within the nucleus. No most of the bacteria that we encounter are harmless and used for various purposes. Bioremediation bacteria that will break down other toxins within the environment. Functional foods bacteria is added to foods to enhance their nutritional value. Our immune system functions on it being challenged by foreign substances. Normal flora (harmless bacteria: resident vs transient, resident: stay in the body for a long period of time, ex.