Lymph 2

Question 1

What part of the parenchyma contain the lymphoid nodules- B cells?

Answer 1

Cortex

Question 2

What part of the parenchyma contain T cells and HEVs?

Answer 2

Paracortex

Question 3

What part of the parenchyma contain cords/sinuses?

Answer 3

Medulla

Question 4

What cells are located in cords of the medulla?

Answer 4

Plasma cells

Question 5

What lymph organ has the function of selection and maturation of T cells?

Answer 5

Thymus

Question 6

What type of tissue is the thymus eventually replaced with?

Answer 6

Adipose

Question 7

What derm does the pharyngeal pouches arise from?

Answer 7

Endoderm

Question 8

What derm does the histiocytes (macrophages and monocytes) and lymphocytes arise from?

Answer 8

Mesoderm

Question 9

The medulla is _________ between lobules in the thymus

Answer 9

Continuous

Question 10

The stroma of the thymus has a ___________ stroma that has very few reticular fibers + epithelial reticular cells

Answer 10

Cytoreticular

Question 11

What type of stroma in the thymus :
also also called APCs
Are linked by desmosomes
Produce cytokeratins
Some release cytokines

Answer 11

Cytorectiular

Question 12

The _______ of the thymus has small T cells

Answer 12

Cortex

Question 13

The ______ of the thymus has stroma and fewer larger lymphocytes

Answer 13

Medulla

Question 14

What part of the thymus contains Hassalls corpuscles?

Answer 14

Medulla

Question 15

The Hassalls corpuscles are part of the ____ reticulum

Answer 15

Cytoreticulum

Question 16

What type of cells accumulate keratin as they degenerate in a concentric shape?

Answer 16

Reticuloepithelial

Question 17

Reticular structures of the medulla of the thymus in an Avian are equivalent of a “_____” Hassall corpuscle

Answer 17

Diffuse