IB131_MT2 histo review_Fall 09

IB131_MT2 histo review_Fall 09 - IB131 Midterm 2 Histology...

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IB131 Midterm 2 Histology Review 1
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hat you should know What you should know Digestive system Heart & blood Blood vessels Respiratory sophagus ardiac muscle lastic arteries asal cavity esophagus cardiac muscle elastic arteries nasal cavity stomach Purkinje fibers muscular arteries epiglottis duodenum erythrocytes arterioles nasopharynx jejunum platelets capillaries oropharynx large intestine megakaryocytes veins laryngopharynx ileum neutrophils trachea rectum eosinophils Lymphatic system bronchi nus asophils mph vessels ronchioles anus basophils lymph vessels bronchioles salivary glands monocytes lymph nodes (terminal & respiratory) pancreas lymphocytes spleen alveoli liver thymus gall bladder tonsils lymph nodules Urinary system (Peyer’s patches) idney kidney ureter urinary bladder
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Digestive System
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Lips Stratified squamous keratinized epithelium http://erl.pathology.iupui.edu/HISTO/WEBJPGS/UGI_03W.JPG
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Lip, xs, 5x ©2008 Sarah Werning
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Oral Cavity Histology: Mucosa + thin Submucosa (some areas) Stratified squamous epithelium (no keratin) salivary duct salivary glands
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Tooth, ls, 5x
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SALIVA = complex ixture of H2O, ions, mixture of H2O, ions, mucus, enzymes t i d ll Parotid – serous cells (thin watery secretion with nzymes and enzymes and antibodies) bmandibular Submandibular serous & mucous blingual ostly Sublingual – mostly mucous (produce viscid secretion of ucous) mucous)
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Lingual salivary gland: serous & mucous
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Submandibular salivary gland, 25x ©2007 Sarah Werning
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Submandibular salivary gland, 100x ©2007 Sarah Werning
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Submandibular salivary gland, 100x ©2008 Sarah Werning
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Submandibular salivary gland, 10x ©2008 Sarah Werning
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Mucosa-Associated Lymphoid Tissues
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Esophagus & associated structures trachea lands neck MM esophagus glands ©2007 Sarah Werning
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Esophagus uscularis externa keletal /sm ooth muscularis externa : skeletal Æ sk/sm Æ smooth @ cardiac orifice
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Esophagus lining, 100x OT KERATINIZED NOT KERATINIZED nuclei are present all the way to the lumen ©2007 Sarah Werning
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Esophagus: mucosa
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mucosa submucosa E S O muscularis xterna P H externa A G U S adventitia ©2007 Sarah Werning
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Esophageal – Stomach Junction MALT ©2007 Sarah Werning
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Stomach, fundus MMW
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Stomach fundus, 5x ©2007 Sarah Werning
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Stomach, fundus, 100x ©2007 Sarah Werning
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Cardiac Stomach ote the gastric pits note the gastric pits
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Pyloric Stomach: large epithelium (simple columnar) with gastric pits, thin pink lamina propria, muscularis mucosa = thick purple. Submucosa (with some yellow staining) below
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Gastric pits up close
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Stomach, Pylorus, 10x ©2007 Sarah Werning
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Stomach Duodenum junction Pyloric sphincter Brunner’s glands only in duodenum submucosa, sometimes extend into mucosa 3 muscle layers Æ 2 layers
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This note was uploaded on 12/02/2009 for the course IB 131L taught by Professor Lewis during the Spring '09 term at Berkeley.

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IB131_MT2 histo review_Fall 09 - IB131 Midterm 2 Histology...

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