Thymus
Lymph Node
spleen
thoracic duct
thymus
thymic corpuscle
thymus cortex
thymus medulla
lymph node
lymphoid follicles
lymph node trabecula
lymph node subscapular sinus
lymph node capsule
lymph node medullary cords
lymph node medullary sinuses
spleen
spleen capsule
spleen white pulp
spleen red pulp
tonsil
tonsillar crypt
tonsil germinal centers in lymphoid follicles
peyer's patches smooth muscle in intestinal wall
follicles of a peyer's patch
peyer's patch
state the name and flow of lymph
Right Lymphatic Duct
drains lymph from right upper limb, right side of the head, thorax
Empties into the blood at the junction of the right internal jugular and right subclavian vein
state the name and flow of lymph
Thoracic Duct
Drains lymph from the rest of the body
Empties into the blood at the junction of the left internal jugular and left subclavian vein
Lymph Nodes
function
Act as _________ _________
______________ in the nodes remove and destroy debris that enters the _______ from _______ _________ ____________
Prevents them from being delivered to the ______ and spreading to other parts of the body
lymph filters
macrophages
lymph
loose connective tissue
blood
Lymph Nodes
function
_________ _________ __________
__________ ______ bring ________ to lymph nodes to activate __ - _____ in the lymph nodes
Immune system activation
dendritic cells
antigens
t-cells
Spleen
function
Provides a site for ___________ ____________ and __________ ___________ and ________
lymphocyte proliferation
immune surveillance
response
Spleen
function
Extracts aged, defective _______ ____ and _________ from the blood
_____________ remove debris and foreign matter
Stores blood platelets and monocytes for release into the blood when needed
Site for erythrocyte production in the fetus
blood cells
platelets
macrophages
Spleen
function
_________ the breakdown products of ___ ______ ___ for reuse
recycles
red blood cells
Tonsils
function
_________ and ________ many of the __________ entering the ________ in the food or in inhaled air
gather
remove
pathogens
pharynx
Tonsils
function
________ ______ trap _______ and _________ ________
Lets immune cells build a memory for the trapped pathogens to increase longer-term immunity
tonsillar crypts
bacteria
particulate matter
Peyer’s Patches
function
___________________________________________________________________
prevents pathogens in passages from penetrating mucous membrane lining