Histology III - lymph Flashcards
1
Q
What entails lymphocytes
A
B-, T- lymphocytes, NK cells
2
Q
Lymph node anatomy. List important parts
A
Hilum: efferent for lymph. Afferent into nodes, vessels.
Medulla: dat marv. Contains all kind of leukocytes.
Cortex: bark. Superficial and deep. Superficial B cells, deep T cells
Germinal centers: B cells.
Trabeculae: Extensions into node
Medullary sinus: Separates medulla
High endothelial venules: Entrance for lymphocytes. In deep cortex.
Medullary cords: blocks of leukocytes in medulla
3
Q
What’s characteristic of lymph vessel walls?
A
No basallamina
4
Q
What’s MALTs
A
Diffuse lymphatic tissue - Peyer’s patches f.x. MALT is an acronym for mucosal associated lymphatic tissue.
