Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
July 4, 2023
Immunology

Understanding the Immune Response: Primary and Secondary Immune Response and the Role of Antigens and Antibodies

Respond to specific antigens; Responds by remembering signature molecules, called antigens, from pathogens to which the body has previously been exposedcan be active or passiveTime frame: 12...

Mohamed Abbas
July 4, 2023
Immunology

Understanding Epithelial Barriers, Phagocytes, the Complement System, and NK Cells: A Comprehensive Exploration of the Immune Response

epithelial barriersphagocytes (neutrophils and macrophages)compliment systemNK (natural killer) cells Detailed explanation of epithelial barriers, phagocytes (neutrophils and macrophages), the complement system, and NK (natural killer) cells Detailed...

Mohamed Abbas
July 4, 2023
Immunology

The Role of B Lymphocytes: Antibody Production and Long-Term Immunity

B lymphocytes- AntibodiesT lymphocytes- Effector T cells B lymphocytes, also known as B cells, are a type of white blood cell that play a key role in...

Mohamed Abbas
July 4, 2023
Immunology

Unlocking the Bridge: The Role of Antigen-Presenting Cells in Connecting Innate and Adaptive Immunity

bridge between innate and adaptive immunityRole is to initially phagocytose bacteria (as part of the innate response) and later present processed antigen to T-cells to elicit cell-mediated...

Mohamed Abbas
July 4, 2023
Immunology

Unveiling the Role of C3: A Versatile Protein in the Complement System’s Defense Mechanism Against Pathogens

innate immune system proteinpart of the compliment system One of the innate immune system proteins that is a part of the complement system is called C3 One...

Mohamed Abbas
July 4, 2023
Radiology

The Impact of kVp on Image Contrast and Degree Difference in Radiography

Degree difference between light and dark areas of the radiograph (KVP; Shades of Grey) The degree difference between light and dark areas of a radiograph is primarily...

Mohamed Abbas
July 4, 2023
Radiology

The Importance and Applications of Density in Science and Industry

The degree to which a substance is dense; mass per unit volume (MaS; Black n White) Density is a physical property that measures how much mass is...

Mohamed Abbas
July 4, 2023
Radiology

Preventing and Addressing Unwanted Artifacts in Radiographic Imaging: Causes of Increased Density and How to Minimize Them

Increased density on the radiographic image caused by extraneous heat, light, or chemical fumes. When it comes to radiographic imaging, there are a few factors that can...