Lymphatic and Immunity System

37問 • 9ヶ月前

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Contributes to homeostasis by draining interstitial fluid as well as providing the mechanisms for defense against disease

Lymphatic system

One of the principal body systems that helps to defend us against disease producing microbes

Lymphatic system

Disease producing microbes such as bacteria and viruses

pathogens

Also called resistance

Immunity

Ability to ward off damage or disease through our defenses

Immunity

Vulnerability or lack of resistance

Susceptibility

Nonspecific / Defenses that are present at birth

Innate immmunity

Does not involve specific recognition of a microbe and acts against all microbes in the same way

Innate immunity

The physical and chemical barriers of the skin and mucous membranes are considered as

First line of defense

The antimicrobial substances, natural killer cells, phagocytes, inflammation, and fever are considered as

2nd line of defense

Represent immunity's early warning system and are designed to prevent microbes from entering the body and to help eliminate those that do gain access

Innate immunity

Defenses that involve specific recognition of a microbe once it has breached the other immunity defenses

Adaptive immmunity

Based on specific response to a specific microbe, that it adapts or adjusts to handle a specific microbe

Adaptive immunity

Involves lymphocytes called T lymphocytes and B lymphocytes

Adaptive immunity

Body system responsible for adaptive immunity and some aspects of innate immunity

Lymphatic system

Lymphatic is also called _____ system

lymphoid

Lymphatic system consists of a fluid called _____

lymph

Vessels that transport the lymph

Lymphatic vessels

Assists in circulating body fluids and helps defend the body against disease causing agents

Lymphatic system

What do you call the fluid made of components of blood plasma filter through blood capillary forms to form interstitial fluid, then passed into lymphatic vessels

Lymph

Located within the lymphatic vessels and tissue

Lymph

Found between cells

Interstitial fluid

A specialized form of reticular connective tissue that contains large number of lymphocytes

Lymphatic tissue

What do you call the a granular white blood cells in lymphatic system?

lymphocytes

Function of lymphatic system in which lymphatic vessels drain excess interstitial fluid from tissue spaces and return it to the blood

Drains excess interstitial fluid

Function of lymphatic system that closely links with cardiovascular system by maintaining the circulation of blood volume

Drains excess interstitial fluid

Function wherein lymphatic vessels transports lipids and lipid-soluble vitamins (A, D, E, & K) absorbed by the gastrointestinal tract

Transports dietary lipids

Function wherein lymphatic tissue initiates highly specific responses directed against particular microbes or abnormal cells

Carries out immune responses

Lymphatic vessels begin as lymphatic c_____

capillaries

Located in the spaces between cells and are closed at one end

lymphatic capillaries

Lymphatic capillaries unites to form larger lymphatic v_____ which resembles small veins in structure but have thinners walls and more valves

vessels

Encapsulated bean-shaped organs consisting of masses of B cells and T cells, where lymph flows at intervals

lymph nodes

Found throughout the body except in avascular tissues, the CNS, positions of slpeen, and bone marrow

Lymphatic capillaries

Lymphatic capillaries have _____ permeability than blood capillaries and thus can absorb large molecules such as proteins and lipids

greater

Lymphatic capillaries are slightly _____ in diameter than blood capillaries and have a unique _____ structure that permist interstitial fluid to floww into them but not out.

larger, one-way

The ends of endothelial cells that make up the wall of lymphatic capillary overlap

true

When pressure is _____ in the interstitial fluid than in lymph, the cells separate slightly, like the opening of a one-way swinging door, and interstitial fluid enters the lymphatic capillary

greater

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