Development integumentary system skin and appendages. Integumentary system an overview sciencedirect topics. Integumentary system physiology the integumentary system is made up of the skin, hair, nails, and associated glands. The epidermis was made up of squamous cells, which were flattened at the surface and spherical near the base fig. Integumentary morphology of modern birdsan overview1. As a result of participating in this learning activity the learner will be able to. There are a number of exocrine glands in the integumentary system. Unfinished video i made for school, most of the helpful videos on youtube put together into one. The integumentary system is susceptible to a variety of diseases, disorders, and injuries. The dermis, on the other hand, was observed as a layer ventral to the epidermis. Which term should the nurse use to document this finding. The integumentary system includes the skin and its specialized derivatives, including the hairs, nails, sweat and sebaceous glands. A change in blood flow is produced due to stimulation of mast cells.
Eight different genes have been implicated in the pathogenesis of different types of ebs, but a substantial portion of the cases cannot be. The integumentary system covers the surface of the embryo skin and its specialized skin structures including hair, nails, sweat glands, mammary glands and teeth. The present study aimed to describe the development of the integumentary system during the embryonic and fetal periods in dogs canis familiaris. Developmental aspects of integumentary system flashcards. Melanoblast differenciate to form pigment granules melanosomes to become melanocytes. Integumentary system anatomy and physiology nurseslabs. Affecting all the major parts of the integumentary system, this infection results in the formation of scaly, round, itchy, red patches on the nails, feet, groin, scalp and the skin under the beard. The system protects the body from the external environment and its many harmful materials. In zoology and dermatology, skin is an organ of the integumentary system made up of a layer of tissues that guard underlying muscles and organs.
If you continue browsing the site, you agree to the use of cookies on this website. This is part 1 of professor finks video lecture on the integument skin. Sebum or oil from the sebaceous glands is slightly acidic, retarding bacterial colonization on the skin surface. Somejo et al the development of integumentary and skeletal s. Introduction integumentary system consists of the skin and accessory organs. It also helps maintain homeostasis within the body by assisting with the regulation of body temperature and water balance. This special issue on the development and evolution of the amniote integument begins with a discussion of the adaptations to terrestrial conditions, the acquisition of waterimpermeability by the reptilian integument, and the initial formation of filamentous integumentary appendages that pave the way towards avian flight. Bats are remarkable for an extraordinary expression of the integumentary system. Correspondence course of the academy of health sciences, united states army subcourse md0575 integumentary system introduction the skin is not just a simple thin covering which keeps the body together.
Most skin is 1 to 2 mm thick two layers of the skin cutaneous membrane epidermis. Request pdf the development of the integumentary system in dogs the skin and its appendages are components of the integumentary. The integumentary system the integumentary system integument is skin skin and its appendages make up the integumentary system a fatty layer hypodermis lies deep to it two distinct regions epidermis dermis functions of skin protection cushions and insulates and is waterproof protects from chemicals, heat, cold, bacteria screens uv synthesizes vitamin d with uv regulates body heat prevents. The organs of the integumentary system form a waterproof layer over the body that also work as a physical barrier against microorganisms that cause integumentary system diseases. The mammary glands and teeth are also considered as components of the integumentary system. Presentation includes multichoice questions to engage students and get them thinking about the subject throughout the presentation. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Epidermis specializes from surface ectoderm not involved in developing nervous system. Printable pdf national board of osteopathic medical examiners, inc. The integumentary system is both a barrier and a sensory organ, and includes the skin the largest bodily organ, as well as appendages, sweat and sebaceous glands, hair, nails and arrectores pillorum tiny. Integumentary system development boundless anatomy and. The pigmentation intensity varies among races although the number of melanocytes is not significantly different. The integumentary system consists of the largest organ in the body. The most important function of the integumentary system is protection.
The integumentary system is the bodys first line of defense against bacteria, viruses, and other pathogens. The bodys largest and heaviest organmaking up 15% of body weight. Integumentary system consists of the skin and accessory organs. The integumentary system, consisting of the skin and its derivatives, is the largest and one of the most complex systems of the body. These range from annoying but relatively benign bacterial or fungal infections that are categorized as disorders, to skin cancer and severe burns, which can be fatal. Apr 15, 2011 unfinished video i made for school, most of the helpful videos on youtube put together into one. Development integumentary system skin and appendages free download as word doc. Accessory structures integumentary accessory structures hair, hair follicles, sebaceous glands, sweat glands, and nails.
The integumentary system forms a protective barrier between the external environment and the inner tissues. Chapter 06 lecture outline palm beach state college. The integument system consists of the skin cutaneous membrane and its accessory organs. The skin and its derivatives sweat and oil glands, hair and nails serve a number of functions, mostly protective. Tortora 12th edition chapter 5 the integumentary system learn with flashcards, games, and more for free. Integument integument is outer protective covering of a vertebrate. Dermis differenciate from mesenchymal cells of mesodermal. Due to the skins physical characteristics such as the keratinized cells and waterproofing properties of the glycolipids. Sweat glands are found in the dermis and there are two types. The system develops from surface ectoderm, mesoderm and neural crest cells. Its other main functions are insulation and temperature regulation, sensation and vitamin d and b. The integumentary system is essential in order for the body to maintain homeostasis. As a system it has contributions from all embryonic layers. The integumentary system is both a barrier and a sensory organ, and includes the skin the largest bodily organ, as well as appendages, sweat and sebaceous glands, hair, nails and arrectores pillorum tiny muscles at the root of each hair that cause goose bumps.
Professor fink describes the major functions of the skin, the histology of the skin, the hair follicle, and the glands of. The integumentary system has sensory receptors that can distinguish heat, cold, touch, pressure, and pain. The skin protects deeper tissues from mechanical damage bumps, chemical damage acids and bases, ultraviolet radiation damaging effects of sunlight, bacterial damage, thermal damage heat or cold, and desiccation drying out. Integumentary system develops from surface ectoderm and the underlying mesenchyme. Sweat from the sudoriferous glands is slightly hypertonic and can flush off most bacteria on the skin surface. Aug 17, 2016 developmet of integumentary system slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Functions of the integumentary system protection against injury and infection regulates body temperature. Growing to about one inch in size, as the patch radiates outward, the central part gets healed and a. Start studying developmental aspects of integumentary system. Developmet of integumentary system special embryology 1. The integumentary system helps regulate body temperature through its tight association with the sympathetic nervous system, the division of the nervous system involved in our fightorflight responses. The keratinized stratum corneum is involved in development of various derivatives like scales hair, claws, teeth, nails, beaks, hooves, horns, feathers etc. The sympathetic nervous system is continuously monitoring body temperature and initiating appropriate motor responses.
Development of facial, pubic and axillary hair indicate gender and sexual maturity. A presentation most suitable for ks5 looking at the integumentary system. This meeting was a unique opportunity for researchers working on muscle, connective tissue, tendons, ligaments and bone to discuss the development of the musculoskeleton, recognizing that it is an integrated, functional system. The integumentary system is the fishs first line of defense against the harsh environmental conditions. Developmet of integumentary system special embryology. Development and evolution of the amniote integument. As the interface with the surroundings, it plays the most important role in protecting against pathogens.
Integumentary system diseases or disorders any medical condition associated with the skin, hair or nails can be rightly considered the integumentary system disorder, which may be either mild or involve significant amount of severity and complexity. Management of the pediatric patients integumentary system addresses skin inspection, pressure ulcer risk assessment and prevention, management of impairment learning and development curriculum. Pdf the skin functional morphology of the integumentary. This extraordinary organ system protects the internal structures of the body from damage, prevents dehydration, stores fat, and produces vitamins and hormones. Development of integumentary structures in rousettus. Functional morphology of the integumentary system in fishes figure 4 histological section of skin layers of a juvenile steelhead trout, oncorhynchus mykiss, showing overlapping imbricated scales.
Management of the pediatric patients integumentary system. The integumentary system is involved in protecting the body from invading microbes mainly by forming a thick impenetrable layer, regulating body temperature through sweating and vasodilation, or shivering and piloerection goose bumps, and regulating ion balances in the blood. But bats also feature extreme variation in the anatomy of ears, rhinarium, and. The melanocytes within the integument skin transfer melanin to keratinocytes to give skin colour and to the hair follicle to give hair colour. Other than that, the integumentary system organs work together to provide insulation and help in excreting waste from the body. Oct 17, 2006 bats are remarkable for an extraordinary expression of the integumentary system. Physical barriers continuity of the skin and hardness of keratinzed cells. The skin is a complex combination of tissues that perform functions necessary for human survival. The development of the integumentary system in dogs. The skin provides a barrier between ourselves and our environment, it also contains specializations in different regions including hair, nails, glands and sensory receptors. Demonstrate knowledge of how to accurately gather clinically driven patient assessment information related to the integument and appropriately apply it to oasis items specific to the integumentary system of the client by passing final exam with score of 80% at the end of the online learning activity. Patient presentations span all relevant age categories, special populations, and varied clinical settings. The skin is a sensory organ, too, with receptors for detecting heat and cold, touch, pressure, and pain. It also helps provide protection from harmful ultraviolet radiation.
We also acknowledge previous national science foundation support under grant numbers 1246120, 1525057. A patient with cancer is experiencing hair loss from chemotherapy treatments. The development of the integumentary system in dogs request pdf. The most obvious character of bats are the wings, formed by 4 integumentary tracts collectively known as patagiathe pro, dactilo, plagio, and uropatagium, each derived from different embryonic primordia cretekos et al. Nose hairs, ear hairs and eyelashes prevent foreign objects from getting into nostrils, ear canals or eyes. Eight different genes have been implicated in the pathogenesis of different types of ebs, but a substantial portion of the cases cannot be attributed to mutations in known genes. Investigate the components that make up the integumentary system. Integumentary system function, assessment, and therapeutic measures multiple choice identify the choice that best completes the statement or answers the question.
Abucay2 1institute of biology, college of science, university of the philippines diliman, quezon city, philippines 2freshwater aquaculture centercollege of fisheries, central luzon state university. Investigate the function of the integumentary system. Oct 07, 2012 this is part 1 of professor finks video lecture on the integument skin. The skin of the fish would also be an indication for quality in fish farms. The capacity for such tryouts must have been a prerequisite for the invention of feathers. Lancour national rules committee chairman life science the integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin, and assorted glands. Integumentary system development medicine libretexts. In march 2011, researchers met for the second batsheva seminar on integrative perspectives on the development of the musculoskeletal system. The integumentary system is formed by the skin and its derivative structures. This is a sample chapter of the embryology book fetus by dr md abedur rahman.
Integumentary system in all groups, the epidermis and dermis were evident figs. Eyebrows reinforce or exaggerate expression of emotions. The endocrine system the endocrine system includes the sex hormones that stimulate sebaceous and apocrine gland activity, and develop secondary sexual characteristics. Sweat glands sebaceous glands arrector pili muscles nails hair mammary glands development of skin skin consists of two layers that are derived from two different germ layers epidermis, superficial epithelial tissue derived from surface ectoderm dermis. The integumentary system is the largest organ system in the human body, responsible for protection from physical and environmental factors. Integumentary experimentation in ancient reptiles began at least by the late triassic, as shown by the long, middorsal scalelike structures on longisquama insignis, a presumed thecodont feduccia, 1996.
Skin, which is the largest organ of the body is the main organ of the. The integumentary system consists of the skin, hair, nails, the subcutaneous tissue below the skin, and assorted glands. A novel homozygous deletion in exph5 causes a skin fragility phenotype epidermolysis bullosa simplex ebs is the most common form of eb. The integumentary system is both a barrier and a sensory organ, and includes the skin the largest bodily organ, as well as appendages, sweat and sebaceous glands, hair, nails and arrectores pillorum tiny muscles at the root of each hair that cause goose.
The integumentary system is the set of organs that forms the external covering of the body and protects it from many threats such as infection, desiccation, abrasion, chemical assault and radiation damage. Neural crest development integumentary system development melanocyte greek, melanos black a pigmented cell, neural crest in origin, differentiating from melanoblasts located in the skin and other tissues that produces melanin. Integumentary system list of high impact articles ppts. The cutaneous membrane skin and its derivatives exoskeleton are together referred as integument. Corporate offices and national center for clinical skills testing. Without the protection of the skin, the fish would not survive the environment and the various diseases it could suffer. Patient presentations related to the integumentary system.