Lab Exam #2 Histology (labeled)

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BIO446L Lab Exam #2

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  • HELPFULL l!!!, For HISTOLOGY 500 PRACTISE QUESTIONS VISIT http://www.slideshare.net/zizuzidu/500-practice-questions-for-histology
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  • Slide #43 – Endocardium, subendocardium, myocardiumPurkinje fibers in subendocardium
  • Slide #44 – large muscular arteryEndothelium, internal elastic lamina, tunica media (elastic fibers & smooth muscle), external elastic lamina, & tunica adventitia (vasovasorum)
  • Central Vein Portal Triad – hepatic portal vein, hepatic artery, bile duct
  • Islets of Langerhans:Alpha cell – secrete glucagon  increase blood glucoseBeta cell – secrete insulin  decrease blood glucoseDelta cell – secrete somatostatin  inhibit release of other islet cell hormones
  • Proximal convoluted tubule – columnar epithelium with tall microvilliDistal convoluted tubule – cuboidal epithelium
  • Collecting duct – simple cuboidal epithelium
  • Umbrella Cells – flatten cells
  • Plentiful of oocytes!
  • Corpus albicans scar tissue
  • **Autonomic  sympathetic
  • Cervis – mostly connective tissue (compared to uterus body)
  • Oviduct – muscosa, muscularis, serosa
  • PEG CELLS – nourishes sperm cellsCILIATED CELLS – movement of sperm (?)
  • Leydig cells = interstitial cells (steriod-secreting endocrine cells)
  • What type of epithelium lines the surface of the cord? Pseudostratified columnar epithelium
  • **corpora amylacea – more plentiful as you age
  • Lab Exam #2 Histology (labeled)

    1. 1. BIO446LLab Exam #2
    2. 2. LAB #6
    3. 3. Serous Glands
    4. 4. LAB #7
    5. 5. SKELETAL MUSCLE: multi-nucleated & at peripheral identified by cross striations TENDON: dense regular CT collagen fibers (type 1)homogenous, glassy appearance nucleus of fibroblast MUSCULOTENDINOUS JUNCTION
    6. 6. NEUROMUSCULAR JUNCTION
    7. 7. LAB #8
    8. 8. LAB #9
    9. 9. Mucosa: 1) Epithelium 2) Lamina propria 3) Muscularis mucosa Submucosa Adventitia Inner Circular Layer Muscularis ExternaESOPHAGUS Outer Longitudinal Layer
    10. 10. InnerCircular Layer Outer Longitudinal Layer ESOPHAGUS – MUSCULARIS EXTERNA
    11. 11. ESOPHAGUS
    12. 12. VAGUSNERVES Adventitia ESOPHAGUS
    13. 13. Mucosa Inner Circular (glands) Layer Outer Longitudinal LayerLaminaPropria(white) STOMACH
    14. 14. GASTRIC PITS OF STOMACH
    15. 15. PYLORIC SPHINCTER DuodenumStomach
    16. 16. GASTRIC PITS OF STOMACH Chief CellsParietal Cells
    17. 17. Duodenal GlandsSubmucosal Glands
    18. 18. SMALL INTESTINES – PILCAE CIRCULARIS
    19. 19. Lamina Propria Simple Columnar Absorptive Epithelium Goblet Cells SMALL INTESTINES – VILLI
    20. 20. COLON – SIMPLE TUBULAR GLANDS
    21. 21. LIVER LOBULES
    22. 22. Endocrine: secrete hormones Exocrine:secrete digestive enzymes & bicarbonate solutions
    23. 23. LAB #10
    24. 24. Proximal convoluted tubule Glomerulus Distalconvoluted tubule
    25. 25. Collecting Duct Loop of Henle
    26. 26. Blood Vessel (RBCs inside)Collecting Duct
    27. 27. Submucosa Transitional epithelium Muscularis Externa
    28. 28. Umbrella Cells
    29. 29. Maturing OocyteOocytes
    30. 30. Theca Interna Cumulus Oophorus Oocyte Zona Pellucida Granulosa CellsAntrum
    31. 31. Corpus albicansCorpus albicans
    32. 32. Smooth muscle
    33. 33. Endometrial GlandsSimple columnar epithelium
    34. 34. Connective tissue: fibroblasts, collagen, etc.Stratified squamous epithetlium
    35. 35. serosa
    36. 36. Single layer of columnar epithelium Inner circular Outer muscle longitudinal muscle serosaLamina propria
    37. 37. CILIATED CELLS: movement PEG CELLS: (nonciliated) nourishes sperm cells
    38. 38. Seminiferous tubules
    39. 39. Seminiferous tubules Seminiferous tubulesBlood Vessel Leydig Cells Leydig Cells
    40. 40. longitudinal circularSympatheticnerve fibers
    41. 41. Pseudostratifiedcolumnar epithelium
    42. 42. Corpora amylacea

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