DISCUSSION Flashcards
What kind of cells is the ENDOTHELIUM?
Simple squamous cells
What part of hemostatsis are blood vessels and platelets part of?
Primary hemostasis
What system carries deoxygenated blood?
Venous system
The circulatory system is composed of what?
Pulmonary and systemic circulation
What is the role of the systemic circulation?
It is in-charge of distributing blood to the body
What is the role of the pulmonary circulation?
It cleanses the blood of impurities and toxic gases
Blood vessels are an open system
TRUE OR FALSE
FALSE
Closed system
What do you call the branching out of blood vessels from big to small?
Anastomosis
The exchange of gases and metabolites happens due to what?
Diffusion and Osmosis
Deoxygenated blood goes to what artery?
Pulmonary artery
Newly oxygenated blood always enter which atrium?
Left atrium
These arteries supply blood to the myocardium
Coronary arteries
Where does oxygenated blood go to?
to the tissues
Arteries have thicker tunica medias
True or False
True
What produces collagen?
Fibroblasts
where is the vasa vasorum found?
Tunica Adventitia
Veins have a smaller lumen than arteries
True or False
Arteries have a smaller lumen than veins
How do varicose veins happen?
When the valves of the veins loosen
Why do blood vessel spasms happen?
To avoid loss of blood
What kind of response is blood vessel spasms?
Nervous system response
This happens as a neurological response to blood vessel injury
Vasoconstriction
What happens to the blood pressure when the blood vessels narrow?
Increase blood pressure
How is TXA2 produced?
through a thromboxane pathway
Thromboxane pathway is also known as …
cyclooxygenase/prostaglandin
The Endothelium has granules called …
Weibel Palade bodies
These are a marker for authentic endothelial cells
Weibel Palade bodies & Megakaryocytes
What do megakaryocytes and Weibel-Palade bodies produce?
von Willebrand Factor (vWF)
These aggregate and regulate platelets
Prostacyclin
TNF and IL1 are produced by the….
monocytes and macrophages
TNF and IL1 is what type of cytokine?
monokine
What is the food of fibroblasts?
Ascorbic Acid
