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112 Cards in this Set

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What do lymph capillaries begin with?

Closed ends

What do leaf valves of lymph capillaries do?

Allow things in but not out

What do lymph capillaries allow in?

Proteins, tissue debris, and pathogens

What are lymph capillaries held open by?

Anchoring filaments

Lymph capillaries form to join what?

Lymph vessels

What do lymph vessels follow?

Arteries and veins

Where do lymph vessels lead to?

The thoracic duct and large veins

What type of muscle contraction aids lymph flow?

Skeletal

These have a 1 way valve and smooth muscle like veins.

Lymph vessels

What is lymph?

Fluid in the lymphatic system

What is lymph similar to?

Extracellular fluid

What does lymph contain?

Proteins, tissue debris, and pathogens

What is lymph formation?

When lymph capillaries pick up excess extracellular fluid

How does lymph get moved and where does it go?

A one way valve system, smooth muscle and skeletal muscle contraction carry lymph to the thoracic duct

What is chyle?

Fats from the small intestine into the lymphatic system giving lymph its creamy white color

What do lymph vessels do?

Drain fluid from specific areas of the body

Where are lymph node located?

Along the coarse of lymph vessels

What do lymph nodes do?

Filter lymph before it is returned to circulation via the thoracic duct

The outer cortex of the lymph node is made of?

B cells

The outer cortex of the lymph node is made of?

B cells

The inner correct of the lymph node is made of?

T cells

The outer cortex of the lymph node is made of?

B cells

The inner correct of the lymph node is made of?

T cells

What cells can enter the medulla and travel to other parts of the body?

Activated cells

What is hyperplasia?

Enlargement due to cell division

What is hyperplasia?

Enlargement due to cell division

What are enlarged lymph nodes a result of?

Infection

What is hyperplasia?

Enlargement due to cell division

What are enlarged lymph nodes a result of?

Infection

What happens to the lymph nodes when infection is present?

Lymph node become softer and more movable upon palpation

What is hyperplasia?

Enlargement due to cell division

What are enlarged lymph nodes a result of?

Infection

What happens to the lymph nodes when infection is present?

Lymph node become softer and more movable upon palpation

What does neoplasia mean?

Hard and fixed

What is hyperplasia?

Enlargement due to cell division

What are enlarged lymph nodes a result of?

Infection

What happens to the lymph nodes when infection is present?

Lymph node become softer and more movable upon palpation

What does neoplasia mean?

Hard and fixed

What is the largest lymphoid organ?

The spleen

What is the inside of the sleep divided into?

White pulp and red pulp

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is a splenectomy?

Surgical removal of the spleen

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is a splenectomy?

Surgical removal of the spleen

Is a splenectomy life threatening?

No

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is a splenectomy?

Surgical removal of the spleen

Is a splenectomy life threatening?

No

Why are splenectomys usualy preformed?

Splenic rupture(trama) or neoplasia

What is the inside of the sleep divided into?

White pulp and red pulp

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is a splenectomy?

Surgical removal of the spleen

Is a splenectomy life threatening?

No

Why are splenectomys usualy preformed?

Splenic rupture(trama) or neoplasia

After removal of the spleen what handles the Lymph?

Macrophages and othe lymphoid tissue handle the lymph alone

What is the inside of the sleep divided into?

White pulp and red pulp

Where is the thymus located?

Thoracic cavity; base of the heart, cranial

What is white pulp made of?

Lymphoid tissue

What is red pulp made of?

Blood vessels, macrophages, and sinuses for blood storage

What does white pulp do?

Supports T&B cell function and macrophages

What are macrophages?

What do macrophages do?

Clean up blood pathogens

What does red pulp do?

Allows for platelet storage and also destruction and recycling of old rbc's

What is a splenectomy?

Surgical removal of the spleen

Is a splenectomy life threatening?

No

Why are splenectomys usualy preformed?

Splenic rupture(trama) or neoplasia

After removal of the spleen what handles the Lymph?

Macrophages and othe lymphoid tissue handle the lymph alone

When do you mostly see a thymus?

The thymus is present in young animals and shrinks with age

What are tonsils?

Mature lymphocytes

What are tonsils?

Mature lymphocytes

When are tonsils most prominent?

In young animals

What are tonsils?

Mature lymphocytes

When are tonsils most prominent?

In young animals

What is GALT

Gut Associated Lymphoid Tissue