Connective Tissue Characteristics of connective tissues • Extracellular matrix separates cells • Most widely variable of tissues • Many varied functions • Common (mesenchyme) origin • Degrees of vascularity Functions • Binding • Suport • Protection • Insulation • Transport Structural Elements • Fibers ⁃ Collagen (white) fibres ⁃ Elastin (yellow) fibers ⁃ Reticular fibers • Ground substance ⁃ Amorphous material fills space between cells and contains fibers
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Connective Tissue As the name implies‚ connective tissue serves a "connecting" function. It supports and binds other tissues. Unlike epithelial tissue‚ connective tissue typically has cells scattered throughout an extracellular matrix. Loose Connective Tissue In vertebrates‚ the most common type of connective tissue is loose connective tissue. It holds organs in place and attaches epithelial tissue to other underlying tissues. Loose connective tissue is named based on the "weave" and type
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of the Integumentary System. Skin acts as a barrier from bacteria‚ UV radiation‚ and physical trauma. Due to being such a large portion of the body‚ skin is exposed to a wide quantity of factors that can contribute to the damage. The cause of skin damage can be anywhere from cuts‚ burns‚ to even diseases. Once the skin is damaged the complex response system takes action. Some individuals with scars go a step further with removal of the scar tissue. Scar tissue is fibrous connective tissue which forms
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Background: Connective tissue nevi (CTN) are hamartomas in which components of the dermis (collagen‚ elastin‚ or glycosaminoglycans) are altered. Appear as firm‚ asymptomatic‚ skin-colored plaques composed of closely grouped papules with an orange peel-like surface texture. Previous classifications made based on which dermal component was found in excess‚ genetic patterns of inheritance‚ and +/- organ involvement fail to explain all reported cases. o Example: Buschke-Ollendorff syndrome
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so‚ list what they are and what precautions should be taken. Exercise 1: Epithelial Tissue | | |Data Table 1: Epithelial Tissue Observations | |TISSUE TYPE |OBSERVATIONS
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INTEGUMENTARY SYSTEM The integumentary system consists of the skin and accessory structures‚ such as hair‚ nails‚ sudorifenous gland (sweat gland) and sebaceous gland (oil gland). Integument means covering‚ and the integumentary system is familiar to most people because it covers the outside of the body and is easily observed. FUNCTIONS OF THE INTEGUMENTARY SYSTEM 1. Protection The skin provides protection against abrasion and ultraviolet light. It prevents the entry of microorganisms
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Notes on histology Histology Lecture 1 Histology is the study of tissues: in our case‚ it means study of tissues which make up the human body. Tissue is defined as a group of cells which perform a common function. All the cells in a given tissue are not necessarily identical or similar e.g. blood is a type of connective tissue but it has many different types of cells. However‚ tissue also contains two other components i.e. ground substance (or matrix) and fibres. Despite the complexity of
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Introduction The integumentary system is the other name for the skin‚ it’s the largest organ in the body. Unlike other organs‚ this is an organ system that protects the internal body parts from damage‚ dehydration‚ decay as well as other many functions. It has many roles in the body and is the first line of defense against external agents. The integumentary system makes up 15 percent of the body weight in nay human being. Structure The integumentary system is made up of the skin‚ skin derivatives
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Integumentary System and functions The integumentary system contains the largest organ in the human body‚ the skin. Hair and nails‚ are also part of integumentary system as the extension of the skin. The skin‚ however‚ is the most important. All these structures together‚ provide protection to the inner tissues of the body. Protection is the most important function of the integumentary system. The skin is a waterproof layer that holds in all the moisture within our body and helps regulates body
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Comino LAB REPORT 4 CONNECTIVE TISSUE (SPECIALIZED) I. Abstract In this experiment‚ identification and classification of different types of connective tissue was performed. Also‚ cells and extracellular matrix was to be identified in them. For this‚ different already prepared slides were chosen and observed under the microscope to then identify the different parts. II. Introduction Apart from the bone and cartilage‚ the rest of the specialized connective tissues are divided into 4:
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