Thispracticemainlyfocusesonmorphologicalchanges,whicharestructuralalterationsinducedincellsandtissues.Thesechangesintheorganinfluencethenormalfunctionoftheorgananddeterminetheclinicalfeatures(symptomsandsigns),course,andprognosisofthedisease.Theunderstandingofthesechangeswill,inturn,enablemedicalstudentstohandleandhelptheirpatientsinabetterandmorescientificway.Itisforthesereasonsthatthepracticeinpathologyiscriticalforthestudents.Inaddition,thepathologistcanusethemorphologicalchangesobservedtodiagnosedifferentdiseases.Therearedifferentdiagnosticmodalitiesusedinpathology.Mostofthesediagnostictechniquesarebasedonmorphologicalchanges.本书主要讲解在细胞和组织结构变化引起的形态变化,以及对器官正常功能和疾病的预后的影响,具有确定临床特征(症状和体征)的作用。理解这些变化,将使医务人员更好地诊治疾病。多种不同的病理诊断方法,大多数是基于形态学的变化。病理专家可根据观察到的不同形态变化来诊断疾病。因此,病理学对医学生非常重要。