Histology Lab #2

Question 1

What is the diagnosis for a dog with pulmonary thrombosis (tumor thromboembol)

Answer 1

Histiocytic Sarcoma

Question 2

Neoplastic cells likely create?

Answer 2

Physical blood statis and/or contribute to hypercoagulation

Question 3

What features is labeled in the image below?

Answer 3

Multiple Thrombi

Question 4

What is being labeled the image?
1,2 and 3?

Answer 4

1: Compresse parenchyma, Alveolar spaces
2: Lines antemortem
3: Pulmonary Artery

Question 5

what is the definition of a thrombus?

Answer 5

Abnormal blood clot formed within the vascular system

Question 6

What is being labeled the image?
1,2, 3 and 4?

Answer 6

1: Red blood cell
2: pulmonary artery
3: inflammatory cells
4: fibrin

Question 7

How do you determine Nephritis in a kidney?

Answer 7

The kidney will have a blue color (color of the nucleus of cells)

Question 8

What do the blue dots represent?
Increased vacuoles means?
Locate a glomerulus capsule

Answer 8

The blue dots represents inflammatory cells

Increased vacuoles = Hydrophic degeneration

Question 9

What are the features in the image?

Answer 9

plasma on top and lymphocytes

Question 10

What cell features do Plasma cells and lymphocytes present?

Answer 10

Plasma cells: eccentric nucleus, small Golgi apparatus

Lymphocyte: Neutrophils with segmented nucleus

Question 11

What is the difference between the normal and abnormal lung tissue?

What characteristic tells you of a fungal infection. extra credit if you can identify the type of infection is present.

Answer 11

Question 12

How are Giant cells formed?

Answer 12

fused 20 or more macrophages at granuloma when intracellular pathogen resists to elimination

Question 13

What is morphology? features

Answer 13

Large mass of cytoplasm and multiple nuclei

Question 14

review, no question

Question 15

Identify and define the regions marked

Answer 15

Multiple inflammatory foci: macrophages and fungal organisms (coccidiodes immitis)

Question 16

What is this?

Answer 16

Portal triad

Question 17

Identify and determine the labeled features

Answer 17

1: bile ductule
2: Hepatic arteries (thicker muscle layer)

Question 18

What is being identified in this slide?

Answer 18

Coccidioides immitis, fungal organism

Question 19

What is the life cycle of valley fever?

Answer 19

growth in dry sandy soil in the southwest

living fungal spore take flight

spores inhaled

Question 20

What is the difference in the two pig lung slide? Identify what the illness is.

Answer 20

Pneumonia

alveoli septal wall damage thicken

bronchioles look normal

Question 21

Where is the main lession?

Answer 21

alveolar septal wall is expanded with inflammatory cells

Question 22

Alveolar septa is expanded with?

Answer 22

Lymphocytes, macrophages and few neutrophils with congestion

Interstitial pneumonia