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Confrontation and pupil testing is normal. Dilated fundus exam is also normal. Slit -lamp exam suggests some significant variation in corneal thickness; an optic section seems to be thinner inferiorly in the right eye and less pronounced in the left eye. Also you notice some vertical striae in the posterior cornea OS and a "greenish-brown" circular ring (see photos). You order corneal topography analysis.
Guiding Questions
1. What's an optic section? 2. Describe the anatomy and histology of the cornea. 3. What is the function of each layer of the cornea? 4. Why is the cornea transparent? 5. How does the composition of the sclera differ from the cornea? If the sclera is very thin (Stapholomata) or a piece of it is dried out, it becomes transparent. Explain. 6. What controls the hydration of the cornea? What is the thickness-hydration relationship? Do the thin areas seen by slit-lamp examination represent a change in hydration? 7. What are corneal striae? 8. What is the colored ring?
Cephalochordates and placental mammals both have microlecithal eggs, yet mammalian early development resembles that of birds more than that of amphioxus.
You want to study the effect of a mutation in your favorite gene in a cell. You do not plan to purify the gene product, just look at the mutation in vivo. What of the following would be a the best choice of a cloning vector?
Considering chemotherapy is designed to target rapidly dividing cells, which process would be most impacted?
Fruit flies have 4-main chromosomes. Fruit flies also have number of body markers that are useful for mapping genes to given chromosomes.
With these anatomical features in mind, do research to find an angiosperm species that has structural modifications to leaves, stems, roots, or flowers that result in adaptive functions. For example, a California Barrel Cactus has spines in place ..
Which characteristic should permit the class to conclude that it is probably not a snake?
For a microbiology experiment, you require a bacterial culture of 5.4 × 106 cells/ml. You think your suspension is at the right concentration,
Both the endocrine and nervous system are main regulating systems of the body though the nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. Briefly explain the comparison.
q1. in one beaker you mix triglycerides with the water. in a second beaker you mix phospholipids with the water. you
q1. what is the relationship between genetics and behavioral eating habits?q2. childhood obesity is an epidemic in
Suppose that the fifty resident alligators at Wakulla Springs State Park represent a population that is NOT in Hardy-Weinberg equilibrium
What exactly is event-related analysis and block analysis and how do the techniques differ. Is one better than the other?
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