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Bio2 Agenda: 2/22 & 2/23

Bio2 Agenda: 2/22 & 2/23. 1st Five: see next slide Hand back work Flow chart of tissue types Due today The un-graded quiz – epithelium under the scope Clinical Applications – notes & cases. 1 st 5: Define each…. Histology Erythrocyte Leucocyte Adipocyte Dermis Epidermis

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Bio2 Agenda: 2/22 & 2/23

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  1. Bio2 Agenda: 2/22 & 2/23 1st Five: see next slide Hand back work Flow chart of tissue types Due today The un-graded quiz – epithelium under the scope Clinical Applications – notes & cases

  2. 1st 5: Define each… • Histology • Erythrocyte • Leucocyte • Adipocyte • Dermis • Epidermis • Subcutaneous

  3. 1st 5 Word roots, beginnings & endings: • Adipo- • cutis • -cyte • Derm- • Derma- • Epi- • Erythro- • Hist(o)- • Leuco- • -ology • Sub- …Fatty tissue …Of or related to the skin …Cell …Of or related to the skin …A disorder of the skin …Above, upon …Redness …Tissue …Whiteness …Study of …Under, lower level

  4. Flow chart instructions:Create a flow chart that organizes the tissue types we have studied so far… • Start with the levels of organization (hierarchy) p. 415 • Biochemical molecules, cells, tissues...organisms • Include 3 major types of tissues and their subcategories: • Epithelial (4 types) p. 416 • Connective (6 types) p. 417 • Muscle (3 types) p. 418 • The following vocabulary should be included: • Striated • Voluntary • Involuntary • Tissue • Cell • Organ • Add detail by providing an example for each tissue type click here for more examplesof flow charts

  5. Histology: Epithelium Review • Review tissue structures – what type of epithelium is each?

  6. Epithelial tissue types Simple Squamous Simple Cuboidal Simple Columnar Stratified Squamous

  7. Function – Simple squamous epithelium Locations: Capillary walls, alveoli of the lungs, covering visceral organs, lining body cavities Function: diffusion and filtration Simple Squamous

  8. Function – Simple cuboidal epithelium Locations: lining kidney tubules, salivary ducts, pancreatic ductsFunctions: secretion, excretion, and absorption Simple Cuboidal

  9. Function – Simple columnar epithelium Locations: lining most of the digestive tract Function: protection, secretion and absorption Simple Columnar

  10. Function – Stratified squamous epithelium Location: mouth, vagina, esophagus, anal canal Function: protection Stratified Squamous

  11. Histology: Clinical Cases 1. The epidermis (epithelium of the cutaneous membrane or skin) is a keratinized stratified squamous epithelium. Explain why that epithelium is much better suited for protecting the body’s external surface than a mucosa consisting of a simple columnar epithelium would be.

  12. Histology: Clinical Cases 2. Systemic lupus erythematosus (often simply called lupus) is a condition that sometimes affects young women. It is a chronic (persistent) inflammation that affects all or most of the connective tissues in the body. Suzy is told by her doctor that she has lupus, and she asks if it will have widespread or merely localized effects within the body. What would the physician answer?

  13. Histology: Clinical Cases 3. Bradley tripped and tore one of the tendons surrounding his ankle. In anguish with pain, he asked his doctor how quickly he could expect it to heal. What do you think the doctor’s response was and why?

  14. Histology: Clinical CasesWhat is your diagnosis? • Choose a case. • Research using a simple keyword search • Refer back to tissue-level knowledge • Present answer to question with a doctor-patient tone • Create a power point slide or two to educate your patient. Include at least 1 diagram.

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