Table of Contents
What does embryonic fibrous connective develop into?
Embryonic Connective Tissue Mesenchyme develops into the various connective tissues of the body. Mucoid connective tissue is a gelatinous substance found in the umbilical cord.
What embryonic tissue does connective tissue form from?
All connective tissues originate from embryonic mesenchyme, a tissue developing mainly from the middle layer of the embryo, the mesoderm.
What are the embryonic connective tissue?
Embryonic connective tissue is found in the early embryos and umbilical cord. Chief cells are mesenchymal cells. It is divided into mesenchyme (in embryos) and mucoid connective tissue (umbilical cord). Its mesenchymal cells are dispersed within ECM filled mainly with reticular fibers.
What does mesenchyme become?
The mesenchyme develops into the tissues of the lymphatic and circulatory systems, as well as the musculoskeletal system. This latter system is characterized as connective tissues throughout the body, such as bone, muscle and cartilage. A malignant cancer of mesenchymal cells is a type of sarcoma.
Where is embryonic tissue found in the body?
Mesenchyme is generally a transitive tissue; while crucial to morphogenesis during development, little can be found in adult organisms. The exception is mesenchymal stem cells, which are found in small quantities in bone marrow, fat, muscles, and the dental pulp of baby teeth. Mesenchyme forms early in embryonic life.
What is mesenchymal connective tissue?
Mesenchyme, or mesenchymal connective tissue, is a type of undifferentiated connective tissue. Mesenchyme is characterized by a matrix that contains a loose aggregate of reticular fibrils and unspecialized cells capable of developing into connective tissue: bone, cartilage, lymphatics and vascular structures.
What is ECM in connective tissue?
The ECM can be defined as the non-cellular component of tissues, which has been likened to ‘glue’ that binds cells together in connective tissues, where it is a major constituent of the tissue.
Where does connective tissue develop in the embryo?
Embryonic Connective Tissue All connective tissues derive from the mesodermal layer of the embryo (see [link]). The first connective tissue to develop in the embryo is mesenchyme, the stem cell line from which all connective tissues are later derived.
What is the function of fibrous connective tissue?
The primary purpose of fibrous connective tissue is to provide support and shock absorption to our bones and organs. The slide below is a histological section of fibrous connective tissue. The pink fibers you see running through the tissue are the collagen fibers.
Where are fibroblasts found in the connective tissue?
In fluid connective tissue, in other words, lymph and blood, various specialized cells circulate in a watery fluid containing salts, nutrients, and dissolved proteins. Fibroblasts are present in all connective tissue proper ( [link] ).
What kind of cells are found in connective tissue?
Macrophages, mast cells, lymphocytes, plasma cells, and phagocytic cells are found in connective tissue proper but are actually part of the immune system protecting the body. Figure 1: Fibroblasts produce this fibrous tissue. Connective tissue proper includes the fixed cells fibrocytes, adipocytes, and mesenchymal cells.