Pictures Week 3 Flashcards
What is the blue portion? The yellow portion?
Blue: jejunum
Yellow: ileum
What are the bumps called?
What is the pink thing called?
What is the blue layer? Purple layer? Yellow layer?
Bumps: plicae circularis
Pink: Peyer’s patches
Blue: submucosa
Pink: muscularis externa
Yellow: serosa
Where in the SI would the top pic be found? the bottom pic?
Top pic: Proximal SI
Bottom Pic: Ileum
**look at the characteristics of the vascular planes.
What is this? What are those finger-like projections called?
Small Intestine
Villi
Which part of the SI are we in? How can you tell?
Duodenum b/c of submucosal glands (Brunner’s glands). These are only found in the duodenum in the SI.
Where are we in the SI?
In the jejunum…no submucosal glands.
Where in the GI tract are we?
Colon…teniae coli is a give away…also there are no villi.
Where in the GI tract are we?
Colon…no villi, only crypts.
What is this?
Appendix.
Smaller lumen than LI…super prominent lymphatic nodules. Muscularis externa has a thick IC & a thin OL
At the anal valve shown here…which zone do we transition into?
We transition from the transitional zone to the squamous zone.
If the blue triangles are mannose & the orange circles are NAGs…what does this picture show?
the common core of all N-linked oligosaccharides
What is this structure? What is the pink thing? If X is a hydrogen, what is the structure called? If X is a monosaccharide (like glucose or galactose) what is the structure called? If X is an oligosaccharide, what is the structure called?
Sphingolipid
Pink: sphingosine
X=H; Ceramide
X=monosaccharide; Cerebroside
X=oligosaccharide; Globoside, Ganglioside
What’s the deal with this structure?
This is a proteoglycan. The big long thing is hyaluronan. Attached to it are core proteins of aggrecan. The aggrecan is bound to chondroitin sulfate & keratan sulfate.
What condition does this girl have? What facial features tell you this?
Prader Willi Syndrome
round face
narrow bitemporal diameter
almond shaped eyes
