chpt 15. lymphatic vessels Flashcards
(41 cards)
immunity def
ability to ward off the disease/ damage
pathogens def
disease producing microbes
susceptibility def
lack of resistance
lymphatic system function
- drain excess isf
- transport dietary proteins and isf
- immune response in lymph nodes
lymph def
isf in lymph vessels
lymphatic sys components
- lymph
- lymph nodes
- lymphatic vessels
- structures + organs containing lymphocytes
- red bone marrow
immune response components
- t cells
- antibodies produced by B cells
- plasma cells
- antigens
which wbc are 15-30%
b-cells
which wbc are 70-85%
T cells
types of T cells
- t-helped
- t-cytotoxin
- t-regulatory/ suppressor
lacteals function
pick up fats, lipids, triglycerides, vitamins (A, D, K, E)
lacteal location
intestines
chyle def
lymph in lacteals
avascular tissue lacks
lymph capillaires
which tissues lack lymph capillaries
- cartilage
- epidermis
- cornea
- CNS
- portion of speel
- red bone marrow
lymph capillaries structure
- closed at one
- larger diameter than blood capillaries
- greater permeability
lymph capillaries function
- unite to form lymph vessels
- isf can come in
lymph capillaries location
-b/w cells
flow of isf from lymph capillary to venous system
afferent lymphatic vessel lymph node efferent lymphatic vessel lymphatic vessel trunk ducts venous system
trunks
- lumbar trunk
- intestinal trunk
- bronchomediastinal trunk
- subclavian trunk
- jugular trunk
ALL trunks dump into
left thoracic duct
subclavian, bronchomediastinal, juglar trunk dump into
-right lymphatic trunk
what does the right lymphatic trunk dump into?
juglar and subclavian veins
do lymphatic vessels have thinner walls than veins?
yes
