HLSC 2F95 Lecture 2: Connective tissues

• School: Brock University
• Department: Health Sciences
• Course: HLSC 2F95
• Professor: Rebecca Mcpherson

Document Summary

Types of connective tissues: connective tissue proper, loose; open, loose framework, dense; densely packed, fluid connective tissue, blood, lymph, supporting connective tissue, cartilage; solid, rubbery matrix, bone; solid, crystalline matrix. Connective tissue proper: fixed cells, melanocytes, macrophage, adipocytes, fibroblasts, fibrocyte, mesenchymal, can differentiate into other types of cells, wandering cells, mast cell, macrophage, lymphocyte, neutrophils, eosinophils. Supporting connective tissues: provide framework that supports the body, matrix = many fibers, cartilage and bone. Cartilage: support soft tissues, smooth sliding surface joints, model for future bones, growth longitudinal in bone at epiphyseal plates. Formation and growth of cartilage: appositional growth, cells in perichondrium differentiate into chondroblasts, chondroblasts secrete new matrix, new matrix enlarges and chondroblasts differentiate into chondrocytes. Interstitial growth: chondrocytes divide in a lacuna surrounded by matrix, daughter cells secrete matrix. Bones: function, support structural support, hematopoiesis blood cell production, storage of minerals calcium and phosphate, protection, leverage levers working with muscles.