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Histology (Liver (9) (Portal Triad (Hepatic Artery (Simple squamous…
Histology
Liver (9)
Sinusoids
Capillaries, look like white cracks
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Portal Triad
Hepatic Artery
Simple squamous epithelium, relative in size to bile duct
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Small Intestine (13)
Mucosa
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Lamina Propria
Areolar C.T., visible throughout mucosa w/ epithelium
Muscularis Mucosa
Bundles and strips of smooth muscle deep to epithelium/lamina propria, faint change to submucosa
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Serosa
Outermost layer, serous membrane of simple squamous epi & areolar C.T.
Trachea (6)
Mucosa
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Lamina Propria
Areolar C.T. deep to epithelium, difficult to see
Submucosa
Deep to epithelium and lamina propria, blood vessels very visible
Hyaline Cartilage
Ring of cartilage, visible perichondrium and chondrocytes
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Stomach (9)
Mucosa
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Lamina Propria
Areolar C.T., most visible closer to lumen
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Submucosa
Fibrous C.T. layer deep to muscularis mucosa, fibers look wavy
Muscularis Externa
Layer of smooth muscle deep to submucosa, relatively straight bundles
Serosa
Outermost layer, serous membrane of simple squamous epi & areolar C.T.
Large Intestine (10)
Mucosa
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Lamina Propria
Areolar C.T., visible throughout mucosa w/ epithelium
Muscularis Mucosa
Smooth muscle layer deep to epithelium/lamina propria, visible difference between the submucosa
Submucosa
Lymphatic Nodules
Collections of lymphatic cells in submucosa, some appear to protrude into mucosa
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Serosa
Outermost layer, serous membrane of simple squamous epi & areolar C.T.
Ovaries (9)
Primordial Follicles
Small, numerous in cortex of ovary
Primary Follicle
No antrum, toward medulla of ovary
Secondary Follicle
Some antrum, in medulla of ovary
Mature Follicle
Oocyte
Egg cell w/ cell membrane, cytoplasm, nucleus
Zona Pellucida
Immediately surrounding oocyte, darker shaded ring
Corona Radiata
Surrounding zona pellucida, granulosa cells that stay around oocyte
Antrum
Fluid filled, looks clear, separates granulosa cells
Granulosa Cells
Supporting cells directly around oocyte/zona pellucida, also around antrum/throughout ovary
Esophagus (7)
Mucosa
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Lamina Propria
Areolar C.T. deep to epithelium, visible transition
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Muscularis Externa
Thickest layer, different orientations of smooth muscle
Adventitia
C.T. layer surrounding muscular externa, outermost portion
Urinary Bladder (5)
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Adventitia
Relatively thick, C.T. layer on outermost portion, surrounded by fat in lab
Testes (3)
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Spermatozoa
Mature sperm cells (spermatocytes), look like tadpoles near lumen
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Ureter (5)
Mucosa
Transitional Epithelium
Innermost, looks more pinched than urinary bladder
Lamina Propria
Relatively thick, areolar C.T. deep to epithelium
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Adventitia
Relatively thick, C.T. layer on outermost portion
Pancreas (3)
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Pancreatic Ducts
Ducts from lumens of acini, surrounded by D.I.C.T.
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