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41Odor — Aroma redirects here. For other uses, see Aroma (disambiguation). Allegory of the senses by Jan Brueghel the Elder, Museo del Prado An odor or odour is caused by one or more volatilized chemical compounds, generally at a very low concentration,… …
42Immune 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… …
43Tracheotomy — This article is about the surgical procedure called a tracheotomy. For a similar procedure, see Cricothyrotomy. Tracheotomy Intervention Completed tracheotomy: 1 Vocal folds 2 Thyroid cartilage 3 Cricoid cartilage 4 Tracheal rings …
44Ring-tailed Lemur — Taxobox name = Ring tailed LemurMSW3 Groves|pages=117|id=12100056] status = NT trend = down status system = iucn3.1 status ref = regnum = Animalia phylum = Chordata classis = Mammalia ordo = Primates familia = Lemuridae genus = Lemur genus… …
45Bacteria — Taxobox color = lightgrey name = Bacteria fossil range = Archean or earlier Recent image width = 210px image caption = Escherichia coli image is 8 micrometres wide. domain = Bacteria subdivision ranks = Phyla [cite web… …
46Leprosy — For the Hebrew Bible term and its varied meanings, see Tzaraath. For other uses, see Leprosy (disambiguation). Leprosy Classification and external resources A 24 year old man infected with leprosy. ICD 10 …
47Obstructive sleep apnea — Classification and external resources Obstructive sleep apnea ICD 10 G …
48The Sims 3 — Developer(s) The Sims Studio Publisher(s) Electronic Arts …
49Cocaine — For other uses, see Cocaine (disambiguation). Cocaine …
50Primate — This article is about the type of animal. For other uses, see Primate (disambiguation). Primates[1] Temporal range: Late Paleocene–recent …
