120914 vm Flashcards
1
Q
spleen’s fxn
A
filters foreign antigens from BLOOD and mounts immune response to protect
removes particulate matter, senescent eryhtrocytes and platelets from circulation
2
Q
Howell JOlly bodies
A
seen pts with asplenia
blue staining nuclear remnants in RBCs
3
Q
acanthocytes
A
spiky RBCs with hyperchromasia
can be seen in asplenic pts
4
Q
how does structure of spleen facilitate fxn of filtering blood and mounting immune response?
A
splenic artery enters and branches
small branches are surrounded by accumulations of T cells forming PALS. within PALS are lymphoid follicles composed of B cells
