This consists of closely packed bundles of collagen fibers running in the same direction. Study Guide. Connective tissue is divided into four main categories: Connective tissue proper has two subclasses: loose and dense. TYPES OF CONNECTIVE TISSUE •Types of connective tissues differ in filler types and the number of fibers in the matrix •Types 1. As the name implies, connective tissues often bind other organs together, hold organs in place, cushion them, and fill space. Cartilage 3. You will never see reticular connective tissue alone--there will always be other cells scattered among the reticular cells and reticular fibers. Areolar tissue is the most common type of connective tissue. The organic portion, or protein fibers, found in connective tissues are either collagen, elastic, or reticular fibers. Loose connective tissue proper includes adipose tissue, areolar tissue, and reticular tissue. The area in the box has been enlarged in the next image. Learn connective tissue location with free interactive flashcards. Collagen fibers provide strength to the tissue, preventing it from being torn or separated from the surrounding tissues. Adipocytes or fat cells are also fixed within the extracellular matrix. Location: Reticular connective tissue is present in the liver, spleen, lymph nodes, thy­mus, tonsils, bone marrow and lamina propria of the gut wall. Loose arrangement of fibres (collagen, elastin, reticular), cells (fibroblasts, macrophages lymphocytes etc.) These fibers are actually type III collagen fibrils. This special connective tissue forms the stroma for hemopoietic tissues and lymphoid structures and organs, except the thymus. It is technically composed of roughly only 80% fat. Ground substance is a clear, colorless, viscous fluid that fills the space between the cells and fibers. Embryonic Connective Tissue. Dense irregular loose . Areolar connective tissue: These are simplest and most widely distributed connective tissues. Anatomy and Physiology of Animals/Body Organisation. Connective tissue proper: dense regular connective tissue: function . A: ELASTIC FIBER B: SMOOTH MUSCLE C: COLLAGEN FIBER . Search from Reticular Connective Tissue stock photos, pictures and royalty-free images from iStock. In a number of tissues and organs, reticular connective tissue forms the structural framework in which the cells of the organ are suspended. 12. The matrix is the most abundant feature for loose tissue although adipose tissue does not have much extracellular matrix. The lymphatic system is a part of the circulatory system, comprising a network of conduits called lymphatic vessels that carry a clear fluid called lymph unidirectionally towards the heart. Reticular fibers are synthesized by special fibroblasts called reticular cells. Location. Dense connective tissue Locations: Deep layer of dermis Submucosa Organ capsules . primarily parallel collagen fibers; a few elastic fibers; major cell type is the fibroblast. Slide 8. These fibers allow the tissues to recoil after stretching. Histology - Reticular connective tissue View Related Images. Bone tissue is also called the osseous tissue. Reticular connective tissue forms a scaffolding for other cells in several organs, such as lymph nodes and bone marrow. When a body region is inflamed, the areolar tissue in the area soaks up the excess fluid as a sponge and the affected area swells and becomes puffy, a condition called edema. Also plays an important role in inflammation. Connective tissue proper: loose connective tissue, reticular: location. Bone 2. It also helps to bind together the cells of smooth muscles. These reticular fibers are secreted by reticular cells, which surround the fibers. The primary tissue of bone, osseous tissue, is a relatively hard and lightweight composite material, formed mostly of calcium phosphate in the chemical arrangement termed calcium hydroxylapatite. Function: Functions as a packing tissue, contains all fiber types, can soak up excess fluid (causes edema). Its matrix appears transparent or glassy when viewed under a microscope. Location Collagen fibers are found in all connective tissues and in the reticular laminae of certain basement membranes. Loose connective tissue proper includes adipose tissue, areolar tissue, and reticular tissue. Staining. Function . The areolar tissue contains collagen fibers, reticular fibers and a few elastic fibers embedded in a thin and almost fluid-like ground substance. Areolar Connective Tissue - Collagen, elastic and reticular fibers with interspersed fibroblasts, macrophages, plasma cells, adipocytes, and mast cells with a semifluid ground substance. These tissues have a peculiar feature; they never exist alone. Reticular connective tissue Locations: Liver Spleen Lymph node Bone marrow . - reticular connective tissue stock pictures, royalty-free photos & images Clusters of lymphocytes are grossly visible as gray-white zones surrounded by the red pulp. These collagen fibers are slightly wavy and can stretch a little bit. Reticular connective tissues are arranged along with different cells in various organs like bone marrow, lymph nodes, spleen, liver, kidneys, and even under the skin. Areolar Connective Tissue:is a loosely arranged connective tissue that is widely distributed in the body such as in gastrointestinal tract, blood vessels and ducts of glands. Connective tissue is the most abundant, widely distributed, and varied type. It has homogenous, transparent, semi-fluid and gelatinous matrix. Functions: The reticular connective tissue is especially adapted to provide strength and support as it forms the supporting framework (stroma) of many organs. This offers great diversity in the types of connective tissue. *Location:-Beneath Skin-Around Kidneys-Behind Eyeballs-Surface of Heart *Function:-Protects-Insulates-Stores Fat. It provides mechanical strength, physical and metabolic support to all or any the opposite kinds of tissues. This is made up by thin-walled blood vessels, the splenic sinuses (or sinusoids), and thin plates of cells which lie between the sinuses, the splenic cords. Reticular connective tissue is a type of connective tissue with a network of reticular fibers, made of type III collagen (reticulum = net or network). Connective tissue has three main components: cells, fibers, and ground substance. In humans, adipose tissue is located beneath the skin (subcutaneous fat), around internal organs (visceral fat), in bone marrow (yellow bone marrow), and in breast tissue. Read this article to extract more information regarding the structure and functions of this type of tissue. Describe the diverse types of connective tissue. Reticular connective tissue forms a scaffolding for other cells in several organs, such as lymph nodes and bone marrow. reticular. It has a branched and mesh-like pattern, often called reticulum, due to the arrangement of reticular fibers (reticulin). You will never see reticular connective tissue alone--there will always be other cells scattered among the reticular cells and reticular fibers. • Location: It is present in the supporting framework of liver, spleen, lymph nodes, red bone marrow and it is also found around blood vessels and muscles. In Reticular Connective Tissue type III collagen/reticular fiber (100-150 nm in diameter) is the major fiber component. Learn everything about it in the full version of this video: https://khub.me/hgpnnOh, are you struggling with learning anatomy? In specialized connective tissue, different fixed cells like osteocytes (bone) and chondrocytes (cartilage) are found in large quantities. The splenic pulp is supported by reticular connective tissue and is mostly red due to the presence of blood, hence red pulp. The reticular tissue is limited to certain sites in the body, such as internal frameworks that can support lymph nodes, spleen, and bone marrow. Reticular connective tissue is composed of a meshwork of reticular fibers (type III collagen) in an open arrangement. Reticular Connective Tissue This tissue resembles areolar connective tissue, but the only fibers in its matrix are the reticular fibers, which form a delicate network. Loose connective tissue is a category of connective tissue which includes areolar tissue, reticular tissue, and adipose tissue.Loose connective tissue is the most common type of connective tissue in vertebrates. Reticular fibre, in anatomy, fine fibrous connective tissue occurring in networks to make up the supporting tissue of many organs. Reticular connective tissue is a type of tissue found in the body that is supported with a branching framework of collagen fibers known as reticular fibers. This is considered a specialized form of connective tissue. Reticular connective tissue consists of reticular cells and the network of reticular fibres formed by them. Be able to recognize individual component of cells Be able to describe each type of Loose connective Tissue Be able to tell Function and Location Be able to recognize under the microscope. Connective tissue is classified into two subtypes: soft and specialized connective tissue. 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