Integumentary System
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The document summarizes the anatomy and layers of the human skin or integumentary system. It discusses that skin is divided into two main layers - the epidermis and dermis separated by the basement membrane. The epidermis is the outer layer and is not vascularized, while the dermis is the inner layer made of connective tissue. It also notes the hypodermis below the dermis. The document outlines the key cell types found in the epidermis and dermis. It provides details on skin appendages like hair, nails, and exocrine glands such as sebaceous, sweat, and ceruminous glands.
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The integumentary system consists of two main layers - the epidermis and dermis. The epidermis is made of stratified squamous epithelium and contains 5 layers (stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, stratum corneum). The dermis lies below the epidermis and contains collagen, fibers and houses structures like hair follicles, sebaceous glands and sweat glands. Hair follicles extend from the epidermis into the dermis and contain the hair shaft, root and arrector pili muscle. Sebaceous glands and sweat glands also originate in the dermis and connect to03.18.09(c): Eye Histology
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The integumentary system consists of the skin, hair, nails, sweat glands and oil glands. The skin has two main layers - the epidermis and dermis. The epidermis is made of stratified squamous epithelium and provides protective, regulatory and sensory functions. It consists of several layers of keratinocytes. The dermis lies below the epidermis and contains connective tissue, hair follicles, sweat and sebaceous glands. Skin appendages like hair, nails, sweat and oil glands develop from the epidermis. The skin regulates body temperature, protects from damage and pathogens, and detects sensations like touch and pressure.The integumentary system
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The document outlines the structure and functions of the integumentary system, which consists of the skin and its derivatives such as hair, nails, and glands. It describes the layers of the skin, including the epidermis, dermis, and hypodermis, as well as their roles in protection, sensation, thermoregulation, and excretion. The text also highlights the components of skin color, glands, and hair follicles, emphasizing their significance in body functioning.SKIN edit.pptx
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The document discusses the structure and functions of the integumentary system. It describes the two main layers of skin - the epidermis and dermis. The epidermis is made up of keratinized stratified squamous epithelium in five layers, while the dermis contains blood vessels, hair follicles, and glands. The skin provides protection, temperature regulation, sensation, waste excretion and vitamin D synthesis. Hair, nails, sweat and sebaceous glands are also integumentary structures with their own structure and functions.newintegumentarysystem.ppt
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The integumentary system consists of the skin, hair, nails, and glands. The skin is composed of two layers - the epidermis and dermis. The epidermis is made of epithelial cells and lacks blood vessels. It contains keratin and is thicker in areas with more wear. The dermis lies below and contains blood vessels, nerves, hair follicles, and glands. Accessory structures in the skin include sebaceous glands which secrete oil, sweat glands which cool the body, and hair and nails made of keratin. The skin functions to protect the body, regulate temperature, and sense the environment.ANATOMY OF THE SKIN
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This document provides an overview of the integumentary system, including the structure and functions of the skin and its accessory structures. It discusses the three main layers of the skin - epidermis, dermis and hypodermis. Within the epidermis it describes the different cell types and layers. In the dermis it outlines the two layers and their components. It also covers hair, nails, sweat and sebaceous glands. Finally, it briefly discusses some common skin conditions like skin cancer, burns and pathology.SKIN AND ITS APPENDAGES.pptx
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The skin and its appendages are summarized as follows:
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The document summarizes the key components and functions of the integumentary system. It describes the layers of the skin, including the epidermis, dermis and subcutaneous layer. It also outlines the major skin structures - sweat glands that release sweat, sebaceous glands that produce oil, hair follicles that produce hair, and nails. The document explains the role of each structure and key anatomical terms associated with them.Theintegumentarysystem 130515100247-phpapp02
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The document discusses the structure and function of the integumentary system. It describes the system as the largest organ of the body, made up of skin, hair, nails, and glands. The skin is composed of three layers - the epidermis, dermis, and hypodermis. The epidermis provides protection from pathogens and UV radiation. The dermis contains blood vessels, hair follicles, and oil and sweat glands. The hypodermis is made of fat and connective tissue. The skin functions to regulate body temperature, synthesize vitamin D, protect the body, and sense the environment.Anotomy of Skin
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The integumentary system includes the skin, hair, nails, and exocrine glands. The skin is composed of two main layers - the epidermis and dermis. The epidermis is made of stratified squamous epithelium without blood vessels and contains five layers including the basal and stratum corneum layers. Below the epidermis, the dermis contains connective tissue, blood vessels, hair follicles, and sebaceous and sweat glands. Accessory structures of the skin include hair, nails, and exocrine glands that secrete sebum from sebaceous glands or sweat from eccrine and apocrine sweat glands. The integumentary system acts as aIntegumentary system
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The document summarizes the structure and function of the integumentary system in 3 paragraphs:
The integumentary system has two main divisions - the skin and accessory structures. The skin is the largest organ and has two layers, the epidermis and dermis. Accessory structures include sweat and sebaceous glands, hair follicles, and nails, which are derived from the epidermis.
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The skin hasTemporomandibular Joint
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Bones provide structure, protect organs, allow movement, and store minerals. The human skeleton typically contains 206 bones and is divided into the axial skeleton (skull, spine, ribcage) and appendicular skeleton (limbs and girdles). Bones come in long, short, flat, irregular, pneumatic, and sesamoid shapes. They develop from membrane, cartilage, or a combination. Bones contain osteoprogenitor cells, osteoblasts, osteocytes, and osteoclasts. Structurally, bones have an outer periosteum layer, inner cortical bone, and a medullary cavity. Long bones have a diaphysis shaft and epiphyses ends. Cartilage contains chondrocyVital Signs
Vital SignsDr Asma Lashari
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This document outlines the key vital signs that should be assessed in a patient including respiration, pulse, temperature, blood pressure, and pulse oximetry. It describes how to measure each vital sign and provides the normal ranges. It emphasizes the importance of ongoing assessment of vital signs to monitor a patient's condition over time.Chapter 13 The Psychological and Emotional Impact
Chapter 13 The Psychological and Emotional ImpactDr Asma Lashari
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This document discusses trauma and interventions for treating individuals experiencing trauma. It defines trauma medically as an injury that puts a person's health at risk, and psychiatrically as a disruptive event causing interference for over a month. Common reactions to trauma include PTSD and acute stress disorder. Risk factors for developing trauma disorders are discussed. The goals of trauma intervention are to reduce distress and prevent long-term problems through techniques like crisis intervention, education, debriefing, and cognitive therapy within the first few weeks. Assembling an intervention team can help reduce the likelihood of long-term issues.Chapter 11 Thoracic Injuries
Chapter 11 Thoracic InjuriesDr Asma Lashari
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The document discusses injuries to the thoracic cavity that can occur in athletic training. It describes how to assess level of consciousness, vital signs, breathing difficulties, and chest wall integrity. Signs of life-threatening injuries like tension pneumothorax, flail chest, and hemothorax are outlined. Treatment focuses on maintaining oxygenation through positioning, supplemental oxygen, and intubation while rapidly transporting the injured athlete for further care.Chapter 10 Abdominal Emergencies
Chapter 10 Abdominal EmergenciesDr Asma Lashari
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The document discusses emergency care for abdominal injuries in athletic training. It notes that the most common diagnosis is abdominal wall contusion, with the spleen and kidney being the most commonly injured internal organs. Abdominal injuries can be difficult to diagnose due to their internal nature. A thorough history, physical exam including vital signs and abdominal examination, and monitoring for deterioration are important for athletic trainers to properly evaluate and manage abdominal injuries.Chapter 9 Orthopedic Injuries
Chapter 9 Orthopedic InjuriesDr Asma Lashari
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This document provides an overview of emergency care for common athletic injuries including fractures, dislocations, sprains, strains, and chest injuries. It discusses signs and symptoms of these injuries and guidelines for splinting and immobilizing extremities. Key points covered include the importance of assessing for life-threatening injuries first, treating open fractures by controlling bleeding and covering wounds, and immobilizing suspected fractures to prevent further injury while awaiting emergency transport.Chapter 8 Environment Related Conditions
Chapter 8 Environment Related ConditionsDr Asma Lashari
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Emergency Care in Athletic Training discusses environmental emergencies that athletic trainers must be prepared for including: heat illness like heat exhaustion and heat stroke caused by dehydration and elevated core temperature; cold illnesses such as hypothermia which can damage organs if core temperature drops too low, and frostbite which freezes body tissues; and lightning injuries from direct or indirect strikes which can cause violent muscle contractions. The document outlines prevention and treatment strategies for these conditions including educating athletes on risk factors, monitoring weather conditions, having fluid replacement available, and establishing safety protocols for hazardous weather.Chapter 7 Emergent Medical Conditions
Chapter 7 Emergent Medical ConditionsDr Asma Lashari
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This document summarizes emergency conditions that athletic trainers may encounter in athletes. It discusses sudden cardiac death in athletes younger than 35 years old due to conditions like hypertrophic cardiomyopathy. It also outlines management of acute medical issues like exercise-induced anaphylaxis, asthma attacks, and diabetic emergencies. The appropriate treatment for these conditions by athletic trainers is also summarized.Chapter 6 cervical spine injuries
Chapter 6 cervical spine injuriesDr Asma Lashari
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The document discusses the assessment and management of potential cervical spine injuries in athletes, including how to manually stabilize the head and neck, perform a secondary assessment of motor and sensory function, and properly log roll or lift an injured athlete onto a spine board while maintaining cervical spine alignment. It also covers considerations for on-field equipment, secondary spinal cord injury prevention, and fluid resuscitation or vasopressor medication administration if indicated.Chapter 5 head injury
Chapter 5 head injuryDr Asma Lashari
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A forceful impact to the head can cause cerebral concussions or traumatic brain injuries including focal injuries like contusions and hematomas, or diffuse injuries. Coup and countercoup injuries occur when the brain impacts the inner skull on the side of impact or opposite side. Concussions are classified as mild, moderate, or severe based on symptoms like confusion, amnesia, and loss of consciousness. Focal injuries include contusions, epidural hematomas which bleed rapidly, and subdural hematomas which bleed more slowly. Second impact syndrome can occur if a person sustains a second concussion before resolving symptoms from the first. Evaluation of head injuries includes assessing airway, breathing, circulation, neurological status, andChapter 4 sudden cardiac death
Chapter 4 sudden cardiac deathDr Asma Lashari
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This document discusses emergency care related to cardiac arrest and CPR. It describes the heart's location and function, as well as the signs and types of cardiac arrest including ventricular fibrillation, pulseless electrical activity, and asystole. The importance of early intervention through the chain of survival is emphasized, including early access to emergency care, early CPR, early defibrillation if needed, and early advanced care. Proper CPR techniques are outlined including compression depth and rate varying based on the patient's age. Potential complications of CPR are also noted.Ad
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Integumentary System
- 1. The Integumentary System Dr Asma Lashari University of Health Sciences Lahore Pakistan
- 3. Anatomy of skin 1. Human skin is divided into two layers a. Epidermis (outermost) b. Dermis ( innermost) 2. Separated by basement membrane (bm) 3. A layer of loose connective tissue beneath the dermis called hypodermis, or subcutis
- 4. Layers Of The Skin Epidermis outer composed of stratified squamous epithelium Dermis inner anchored to a subcutaneous layer Hypodermis Integumentary glands (sweat, oil, etc.) Hair and Nails
- 5. Epidermis Outer layer of skin. Avascular as it has no blood supply of its own Oxygen and nutrients diffuse from the underlying dermis The epidermis is a keratinized stratified squamous epithelium. Five structurally different layers can be identified:
- 6. Layers of the Epidermis
- 7. Cells of Epidermis Keratinocytes (90%)- waterproofs & protects skin, nails, hair, stratum corneum Melanocytes (8%)- produce melanin Merkel Cells- slow mechanoreceptors Langerhans Cells- immunological defense
- 8. Dermis or Corium Inner layer of skin The dermis, or corium, consists of dense fibrous connective tissue with numerous collagenous and elastic fibers. The dermis is much thicker than the epidermis. In thick skin, dermal papillae create a very irregular border between epidermis and dermis.
- 9. 1. Hair 2. Skin glands 3. Nails Accessory Organs of the Skin
- 10. Hair The free part of each hair is called the shaft. The root of each hair is anchored in a tubular invagination of the epidermis, the hair follicle, which extends down into the dermis and, usually, a short distance into the hypodermis. The hair that you groom daily is actually dead keratinized cells. Each hair follicle has an associated bundle of smooth muscle, the arrector pili muscle. This muscle inserts with one end to the papillary layer of the dermis and with the other end to the dermal sheath of the hair follicle. This makes your hair stand up on its end.
- 12. Accessory Structures of the Skin Nails Plates of stratified squamous epithelial cells with hard keratin Protect distal ends of phalanges Cuticle is a fold of stratum corneum on the proximal end of nail
- 14. Exocrine Glands Sebaceous glands or oil glands are simple branched areolar glands. They secrete the sebum an oily product. Sebum is usually secreted into a hair follicle. Sebum is a natural skin cream, helps hair from becoming brittle, prevents excessive evaporation of water from the skin, keeps the skin soft and contains a bactericidal agent that inhibits the growth of certain bacteria. Sebaceous glands are scattered all over the surface of the skin except in the palms, soles and the side of the feet. Sweat glands or sudoriferous glands are simple coiled tubular glands. They are divided into two principal types: eccrine and apocrine.
- 15. Exocrine Glands Eccrine glands are the most common. Their secretory portion can be located in the dermis or in the hypodermis. They produce sweat, a watery mixture of salts, antibodies and metabolic wastes. Sweat prevents overheating of the body and thus helps regulate body temperature. Apocrine glands are found mainly in the skin of the armpits, of the anogenital areas and of the areola of the breasts. Their secretory portion can be located in the dermis or in the hypodermis. Their excretory ducts open into hair follicles. Their secretion is more viscous than that of the eccrine glands. They start secreting at puberty and may be analogous to the sexual scent glands of other animals. Ceruminous glands (or ear wax glands) and mammary glands are modified apocrine sweat glands.
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