Carbon-laden lymph node Carbon-laden lymph node Image: The carbon-laden lymph node depicts the following structures: Carbon-laden lymph node: This is the center of the image, surrounded by adipose tissue (orange). Adipose tissue (around the lymph node): Surrounding the lymph node, colored orange. Fibrous capsule: Surrounding the lymph node, colored blue. Secondary lymph nodules: Small circular…

Cardiac Glycosides: Applications and Mechanisms Cardiac Glycosides: Applications and Mechanisms Cardiac Glycosides: Applications and Mechanisms Cardiac glycosides are a group of drugs widely used in the treatment of heart failure. The main principle of heart failure treatment is to enhance the contractility of the heart, and glycosides play a crucial role in this. Origin and…

Breast and Cervical Pathology Breast and Cervical Pathology Breast and Cervical Pathology I. Cervix 1. Cervicitis: Acute Cervicitis: Gross Appearance: Red and swollen, with purulent discharge. Cause: Clostridium welchii. Chronic Cervicitis: Gross Appearance: Congestion, ulceration, infiltration of chronic inflammatory cells. Cause: Miscarriage, Chlamydia trachomatis. 2. Cervical Tumors: Cervical Polyp: Gross Appearance: Round mass protruding from…

Breech Presentation – What You Need to Know Breech Presentation – What You Need to Know Breech Presentation – What You Need to Know Breech presentation is a condition where the baby is positioned in the womb with the buttocks or feet presenting first at the mother’s pelvic inlet. This is an abnormal presentation, which…

Carbohydrate Chemistry – Chapter 3 Carbohydrate Chemistry – Chapter 3 Carbohydrate Chemistry – Chapter 3 Learning Objectives: Master the definition and classification of carbohydrates. Understand the chemical structure, isomeric forms, and chemical properties of monosaccharides (using glucose as an example). Understand the structure, properties, and roles of disaccharides and polysaccharides. 1. General Overview of Carbohydrate…

Blood Tissue – White Blood Cells Blood Tissue – White Blood Cells Blood Tissue – White Blood Cells Blood tissue is a special type of connective tissue that plays a vital role in the body. It consists of three main components: red blood cells, white blood cells, and plasma. Red Blood Cells: They are spherical,…

Bone Tissue: Structure and Function Bone Tissue: Structure and Function Bone Tissue: Structure and Function Bone tissue is a specialized type of connective tissue, characterized by its calcification and lamellar structure. Structure: Components: Bone tissue consists of cells, matrix, and connective fibers, with the matrix being the predominant component. Structural unit: Lamellae are the structural…

Biology: Basic Knowledge Compilation Biology: Basic Knowledge Compilation Biology: Basic Knowledge Compilation This article will summarize basic biological knowledge, focusing on key concepts and processes related to genetics, cell structure, and function. # Nucleic Acids DNA: The largest nucleic acid in the cell. The molecular structure of DNA is characterized by the presence of the…

Blood in Urine: What You Need to Know Blood in Urine: What You Need to Know Blood in urine, also known as hematuria, is a condition where blood appears in the urine. There are two types of hematuria: 1. Microscopic hematuria: Small amounts of blood are present, not visible to the naked eye. Microscopic hematuria…

Biology 2 Summary Biology 2 Summary Cellular Basis of Tissue and Cell Culture: Based on the principle of chromosome duplication and equal segregation during mitosis. Photosynthesis Intensity: Plant leaves absorb all light wavelengths except green, therefore photosynthesis intensity is weakest in the green light region. Analyzing Cross Results: Phenotype ratio of F1: 3:3:1:1 can be…