Geology Geology is the science of studying Earth. Geologists study the Earth's processes, such as: Volcanism. Glaciation. Stream-flow. Rock formation

Introduction: What Is Mineral? Mineral Naturally formed, inorganic, solid material with a specific chemical composition and a characteristic crystalline structure. Rock Naturally formed, coherent mass of one or more minerals, sometimes including organic debris

Diseases of female genital system Cervix diseases Breast diseases Gestational trophoblastic diseases

1. Chronic bronchitis 2.Pneumonia 3.Pneumoconiosis 4. Carcinoma of the respiratory

What is Metamorphism?1) Metamorphism is the change in form that happens in Earths crustal rocks in response to changes in temperature and pressure

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

Biological Features Aerobic, Gram, noncapsulated, rods Gray-black colonies on tellurite亚碲酸盐 medium o Metachromatic granules Chinese-letter morphology in Gram stain

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

Campylobacter Among the most widespread cause of infection in the world Cause both diarrheal and systemic diseases Campylobacter jejuni

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