Biological Features Structure and chemical composition Developmental cycle Staining properties Antigens Growth and metabolism Characteristics of host-parasite- relationship Classification

Mycoplasmas a group of the smallest organisms that can be free living in nature, Pass bacterial filter and also grow on laboratory media. More than 80 species, belong to Mycoplasmatales of mollicute. 3 families can be divided:

General introduction Gram-negative, obligate intracellular coccobacilli bacteria that infect mammals and arthropods Rickettsiae are transmitted in the arthropods, which serves as both vector and reservior Both dna and rna Is sensitive to antibiotic

Actinomyces Israelii Anaeslundii a Gram positive sulfur granule; Related to decay tooth and peridentitis

Category Spore- forming: rod, Gram(+)--Clostridium Nonspore- forming: see next slides

Vibrio sp Gram-negative rods Curves or comma shaped Non-spore forming Highly motile-single polar flagella Associated with salt water Oxidase positive

一、企业管理的内容有: 1、组织管理; 2、经营管理工程招投标; 3、计划管理; 4、质量管理; 5、成本管理;

• Summarization 概述 • Thoracic wall 胸壁 • Pleura and pleural cavity 胸膜与胸膜腔 • Lungs 肺 • Mediastinum（1） 纵隔

INFERTILITY Infertility affects1 15% of reproductive age couples. Infertility is defined as a couple's failure to conceive following 1 year of unprotected sexual intercourse. reproductive age

Introduction Pelvis Pelvic floor External genitalia Internal genitalia Vessel and nerve and lymph Adjacent organs