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Tissues, glands, and membranes

Tissues, glands, and membranes. Chapter 4. Objectives. Name the 4 main groups of tissues and give location and characteristics Describe the difference between exocrine and endocrine glands and give examples Give examples of circulating, generalized, and structural connective tissues

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Tissues, glands, and membranes

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  1. Tissues, glands, and membranes Chapter 4

  2. Objectives • Name the 4 main groups of tissues and give location and characteristics • Describe the difference between exocrine and endocrine glands and give examples • Give examples of circulating, generalized, and structural connective tissues • Describe 3 types of epithelial membranes • List several types of connective tissue membranes • Explain the difference between benign and malignant tumors and give examples • List signs of cancer • List 6 methods of diagnosing cancer • Describe 3 traditional methods of treating cancer

  3. Histology • The study of tissue

  4. Tissue Classification 4 main types: Epithelial, Connective, Muscle, and Nervous

  5. Epithelial Tissue Covers surfaces, lines cavities, organs and ducts • 3 shapes: squamous, cuboidal, columnar • 2 arrangements: simple or stratified • Has special functions • Glands: exocrine and endocrine

  6. Connective Tissue Supports, binds, and forms the framework of the body • 3 different types: circulating, generalized and structural • Circulating contains blood and lymph • Generalized is either loose or dense • Structural associated with cartilage and bone

  7. Muscle Tissue Contracts to produce movement • 3 types: skeletal, cardiac and smooth • Skeletal is voluntary and is striated • Cardiac is involuntary and contains intercalated discs • Smooth is involuntary and not striated

  8. Nervous Tissue Provides central control • Made up of neurons • Makes up brain, nerves and spinal cord • Can be myelinated or unmyelinated • Supported by neuroglia

  9. Membranes Epithelial Membranes Connective Tissue Membranes • Types are serous, mucous and cutaneous • Types are synovial, fascia, pericardium, periosteum, and perichondrium

  10. Benign and Malignant Tumors * Any abnormal growth of cells is called a tumor

  11. Benign Tumors • Localized (they do not spread) • Can be harmful • Examples: Lipoma, Angioma, Nevus

  12. Malignant Tumors • Invades tissues and spreads to other locations • Two main categories: Carcinoma and Sarcoma • Examples: Breast, Lung, Skin, Leukemia

  13. Symptoms of Cancer Early treatment is key!! Unusual bleeding or discharge Persistent Indigestion Chronic hoarseness or cough Changes in color or size of moles Sores that do not heal Presence of an unusual lump White patches inside of mouth or on tongue ** Late symptoms include weight loss and pain

  14. Diagnosis of Cancer Early detection leads to more successful treatment

  15. Methods for Detecting and Diagnosing • Microscopic study • Ultrasound • CT • MRI • PET • Genetic Markers Cancer is classified according to size of tumor and extent of invasion

  16. Treatment of Cancer • Surgical removal • Radiation • Chemotherapy (drugs) • Immunotherapy, hormones and inhibitors

  17. Freebie… ***Please visit the website for the ACS to learn more and come back with how cancer has affected your life. ***Remember that it is the patients life and wishes we need to respect. • The American Cancer Society reports that 1in 2 men and 1in 3 women will have some form of cancer in their lifetime! • 2nd killer in America after Heart disease

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