What are these mucous secreting acinus capped by serous secreting cells secreting into a common lumen called? Which organs could this be? Which could it not be? (i.e. which gland has no mucous elements)
Exocrine pancreas Pancreatic duct
Note the organization into lobules separated by connective tissue. What organ is this? What is the arrow pointing to?
98% of exocrine pancrease is composed of what cells?
Exocrine pancreas Nucleus+ReR zymogen
Note: basophilic basolaterally; eosinophilic lumenally. What organ? What is staining basophilic on the basolateral end (i.e. what attracts hemotoxylin)? What is staining eosinophilic on the lumenal end (i.e. what attracts eosin)?
exocrine pancreas zymogen granules
What organ? What is staining black?
Langerhans islet Endocrine
What is the arrow pointing to? Is this structure exocrine pancreas or endocrine pancreas? Note the thin connective tissue veil and the vessel within the structure, giving access to circulation.
Liver Glisson capsule
What structure? What is the arrow on?
Portal vein or central vein? terminal hepatic venule
Portal triad Portal vein Hepatic artery Bile duct
What is this a picture of? Note the extremely thin lining of A. What is A? Note that B does not have a cuboidal lining. What is B? Note the cuboidal lining of C. What is C?
Liver Central vein efferent
What organ? What is A? Is an afferent or efferent vessel?
Sinusoid discontinuous capillaries hepatocytes
What are the blue Arrow on? Note the cuboidal cells that face the clear spaces on 2 sides. What are these cells?
Ser Rer Rer
Regarding hepatocytes, what organelle has the cytochrome p450 enzymes? Clotting factors? Albumin?
Hepatocyte Disse space
The arrow is on a very euchromatic nucleus, indicative of a lot of transcription. What cell is the arrow on? What is the area between the endothelium and the cell?
Ito Hepatic stellate cell Disse space Bile canaliculi
What is A? It is located between the hepatocyte and the endothelium. What is this area called? What is the blue arrow on?
Ito Hepatic stellate cell
liver pericyte; lay down EM in fibrosis; stores fat
Ito Hepatic Stellate cell
can differentiated into: endothelial, connective tissue, smooth muscle
Sinusoid lumen Disse space Pore Red blood cell
This is a Sinusoid capillary of the liver. What is the Black arrow on? What is the Red arrow on? What is the Yellow arrow on? What is the Green arrow on?
Kupffer macrophages liver
Note cells taking up the India ink. What are these cells? What organ?
What cell is the arrow on?
liver kupffer macrophage
eats digested material before it reaches circulation
Note the simple columnar epithelium. This section shows a muscularis externa but no muscularis mucosa. What organ is this?
Gall bladder Concentrate bile
This simple columnar epithelium is very absorptive. What organ is this? What does the absorptive capacity function to do?
Note the striated duct surrounded by mostly mucous acini. What organ?
Omphalocele week 10-11
What is the diagnosis? This is a failure of return. The midgut herniation has persisted. When did the failure occur?
volvulus midgut rotation week 10-11
What is this red infarct called? There is an increased risk of this occurring if there is an embryonic failure of what? when?