Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
30 Cards in this Set
- Front
- Back
|
How much fluid and plasma proteins are forced out of capillary beds and into IF daily?
|
3 liters
|
|
|
Lymph
|
the fluid collected by lymphatic vessels
includes plasma proteins, chylomicrons, cell debris, pathogens, cancer cells |
|
|
Lymphatic Vessels
|
one way transport towards the heart
|
|
|
lymph capillaries (2)
|
closed vessels weave through blood capillaries
much more permeable than capillaries and larger cells can enter |
|
|
minivalves
|
flap-like valves in lymph capillaries that allow it to be permeable
|
|
|
Order of lymph system
|
collecting vessels - lymph trunks - lymph ducts
|
|
|
right lymphatic duct
|
drains upper rt. arm and rt. side of head and thorax
|
|
|
thoracic duct
|
AKA Left lymphatic duct
drains left side of body above diaphragm and entire body inferior to diaphragm |
|
|
Where do the R/L lymphatic ducts drain?
|
subclavian veins
|
|
|
anastomose
|
refers to the places where lymph capillaries join together
|
|
|
reticular connective tissue (4)
|
lymphoid tissue
is a loose connective tissue network for lymphocytes and macrophages dominates all lymphoid organs EXCEPT thymus |
|
|
Where do B-cells clone?
|
lymphoid tissue
|
|
|
lymph nodes (4)
|
100s of bean shaped organs
less than 1 inch in diameter only organs to filter the lymph! concentrated in regions |
|
|
cervical
|
along sternocleidomastoid muscle
|
|
|
axillary
|
in armpit
|
|
|
inguinal
|
in groin (large areas)
|
|
|
lymphedema
|
upper arms can swell with fluid after a simple mastectomy, because lymph tissue has been removed
|
|
|
Spleen (4)
|
in upper left abdominal cavity, 1.BIGGEST lymphatic organ
2. for lymphocyte production 3. Blood cleansing functions 4. Stores and releases platelets |
|
|
What occurs in white pulp?
|
macrophages remove pathogens and debris from blood
|
|
|
What occurs in red pulp?
|
takes out old and defective red blood cells
stores and releases products from RBC's (hemoglobin) |
|
|
How many platelets are stored in spleen?
|
1/3 of body's supply
|
|
|
Thymus (4)
|
secretes hormones
Considered a primary lymphoid organ considered an endocrine organ ONLY ORGAN that DOES NOT directly fight antigens (has a barrier) |
|
|
Primary Lymphoid Organs
|
bone marrow and thymus
|
|
|
Tonsils
|
swelling around entrance to pharynx
gather and remove pathogens entering pharynx |
|
|
palatine (2)
|
largest and most often affected
|
|
|
Pharyngeal (adenoid)
|
posterior wall of nasopharynx
|
|
|
lingual (2)
|
at base of tongue
|
|
|
How many women develop breast cancer
|
1 out of 8
|
|
|
Peyer's Patches
|
lymphoid tissue in the walls of the ileum of the small intestine
|
|
|
appendix
|
offshoot of first part of large intestine
|
