Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/31

Click to flip

31 Cards in this Set

  • Front
  • Back
Lymphatic System: ___, ___, and ____ responsible for _____ from disease
organs, cells, vessels

protection
resistance against infection and disease
immunity
any foreign substance in the body
antigen
molecule that destroys antigens
antibody
COMPONENTS OF LYMPHATIC SYSTEM
Lymphoid Organs:
-___ ____
-_____
-_____
lymph nodes (cervical, axillary, inguinal)
spleen
thymus
COMPONENTS OF LYMPHATIC SYSTEM
cells:
-_______
-_______
lymphocytes

macrophages
COMPONENTS OF LYMPHATIC SYSTEM
-_____: ____ similar to blood
-_____ _____: carry ____ from ____ between cells to the _____ system
Lymph: fluid

Lymphatic vessels: carry lymph from spaces between cells to the venous system
the largest lymph vessel
thoracic duct
LYMPHOCYTE PRODUCTION AND CIRCULATION
-_______ produced in ___ ____
and later _____ in ___ ___ or ___ ____
lymphocytes produced in bone marrow later mature in bone marrow or the thymus gland
LYMPHOCYTE PRODUCTION AND CIRCULATION(2)
lymphoctyes then ____ to ___ ____ involved in the immune response:
-lymph ____
-lymph _____
-_____
-_____
-_____
migrate to lymphoid organs
-nodes
-nodules
-appendix
-tonsils
-spleen
LYMPHOCTYE PRODUCTION AND CIRCULATION(3)
most lymphocytes are ____ in ____ ____ and _____ ____, NOT in the blood
stored in connective tissue and lymphoid organs
CLASSES OF LYMPHOCYTES
1. ___ lymphocytes:
-mature in ____ ____
-differentiate into ___ ___
-produce ______
-responsible for ____-_____ immunity
B lymphocytes:
-bone marrow
-plasma cells
-antibodies
-antibody-mediated immunity
CLASSES OF LYMPHOCYTES
2. ___ lymphocytes:
-mature in the ___ ___
-primarily involved in ___-____ immunity
-directly ____ foreign or infected ____ and ____
T lymphocytes:
-thymus gland
-cell-mediated immunity
-directly attack cells and organs
LYMPH NODES
-____ of densely packed _____
-_____ _____: presence changes based on presence of antigens
spheres of lymphocytes

transient structures
LYMPHOID ORGANS
-unlike lymph nodules, lymph organs are ___ ____
-include 5 examples
permanent structures
-lymph nodes
-spleen
-thymus
-tonsils
-appendix
LYMPH NODES:THE GREAT ____ OF LYMPH
-____ passes through a series of lymph ____ connected by lymphatic _____ before returning to general circulation
FILTERS
-lymph
-nodes
-vessels
LYMPH NODES
-____ _____ from the lymph
-_____ 99% of the _____
-initiate ____ ____ against remaining 1%
nodes filter antigens
destroy antigens
initiate immune response
HISTOLOGY AND FUNCTIONS OF LYMPH NODES
-lymph node is composed of:
outer _____ and inner _____
cortex

medulla
HISTOLOGY AND FUNCTIONS OF LYMPH NODES
cortex and medulla contain
-___ ___ composed of __ and __ _____
-______:lymph-filled ____ containing _____
-lymph nodules: B and T lymphocytes
-sinuses: spaces contain macrophages
HISTOLOGY AND FUNCTIONS OF LYMPH NODES(3)
-____ ____: deliver ____, _____, and _____
afferent vessels
-lymph
-lymphocytes
-antigens
HISTOLOGY AND FUNCTIONS OF LYMPH NODES(4)
___% of ___ flows through the ______ containing ______ which _____ any ______ and out the lymph node via the _____ ____
99% of lymph flows through the sinuses containing macrophages which destroy any antigens and out the lymph node via the efferent vessel
HISTOLOGY AND FUNCTIONS OF LYMPH NODES(4)
__% of ___ trickles more slowly through the ___ ____ in the cortex containing B and T cells

if there is _____ in the lymph, it activates __ lymphocytes triggers an ____ ____
1% of lymph
lymph nodules
antigen
activates B lymphocytes
immune response
THE IMMUNE RESPONSE
-activated __ lymphocytes ____
-some of these B lymphocytes
_____ and ______ into ____ ___
B lymphocytes divide

migrate and mature into plasma cells
The IMMUNE RESPONSE(2)
-____ ___ produce ______ against the _____
plasma cells produce antibodies against the antigen
THE IMMUNE RESPONSE(3)
-the _____ enter the general circulation of lymph via the ____ ____ to ____ the _____ in the lymph before it reaches the _______
antibodies via the efferent vessel

destroy the antigen in the lymph before it reaches the bloodstream
THE IMMUNE RESPONSE(4)
-some of these B lymphocytes ___ the lymph node via the efferent vessel and travel to other ___ ___ to ____ the antigen before the lymph reaches the ______
-leave the lymph node

-other lymph nodes destroy the antigen before the lymph reaches the bloodstream
THE IMMUNE RESPONSE(5)
-some of these B lymphocytes become ____ ____
memory cells
FUNCTIONS OF THE SPLEEN: THE GREAT _____ OF ____
1. initiates the ____ ____ in response to _____ in the blood
2. _____ antigens
FILTER OF BLOOD
immune response, antigens
destroys antigens
HISTOLOGY OF THE SPLEEN
composed of __ ___: contains
-__ ___ ___
-________
-site of _______ by macrophages
red pulp:
-red blood cells
-macrophages
-phagocytosis
HISTOLOGY OF THE SPLEEN(2)
scattered amongst the red pulp is ___ ___:
-____ _____
-contains B and T ______
-sites of ___ ____ by the b and T cells
white pulp:
-lymph nodules
-lymphocytes
-immune response
THE THYMUS
-contains an outer ____ and inner ____
-NOT involved in ___ ____
-site of __ ______ ______
-cortex and medulla
-immune response
-T lymphocyte maturation