Exam 3 Flashcards
What lymphatic organ is this?
Cloacal Bursa
What lymphatic organ is this? What kind of epithelial cells are circled?
Cloacal Bursa, Psudostratified colomnar epithelium
What lymphatic organ is this? What are the arrows pointing to?
Thymus, Hassall’s corpuscles
What lymphatic organ is this? What are the structures labled A and B? What is significant about both of these?
Thymus
Cortex, Medulla
Cortex= positive selection
Medulla=negatice selection
What lymphatic organ is this? What cells are concentrated in the paracortex? What cells are concentrated in the follicle? What also occurs in the follicles?
Lymph node
Tcells
Bcells
Antigen Presentation
What is this lymphatic organ? What are the structures labled A and B? What are their primary functions
Spleen
A= White Pulp (lymphocytes, where immune responses occur)
B= Red Pulp (stores RBC)
What lymphatic organ is this? What are the stuctures labled A and B?
“GALT” falling under “MALT”
A= Lacteals
B= Peyer’s Patch
What is this structure?
Lymphatic Duct w/valves
What structure of the eye is this? Label all the layers to this structure
1=anterior coneal epithelium
2= anterior limiting membrane
3= stroma
4= descemet membrane
5= posterior epithelium
Cornea
What structure of the eye is this? What are the names for lables 1 and 2
Ciliary Process
1= nonpigmented epithelial cells (for aqueous humor)
2= pigmented cells(forms zonular fibers)
What part of the eye is this? What are the structures labled A and B
Retina
A= photoreceptor layer
B= retinal pigmented layer
What structure is this
choroid
What are these structures? Where are they located? What are their function?
Herring Bodies
Neurohypophysis
storage site for ADH and Oxytocin
What are these cells? What do they produce? Where are they located?
Pinealocytes
Melatonin
Penial Gland (Epiphysis)
What is this endocrine organ? What are the arrows point to? What do they produce? Is B less active or more active follicle?
Thyroid
parafollicular cells produce calcium
more active thyroid follicle