Exam 3- Atherosclerosis, Hypertension, etc.
- University of Wisconsin - Madison
- Pathology 404
- Exam 3- Atherosclerosis, Hypertension, etc.
Last Modified: 2011-05-28
One of two types of blood vessel cells
"inner lining" of the artery
Recognizes the needs for flow and repair and uses chemicals to control these processes
Critical to the development of atherosclerosis, injury to these cells promote atherosclerosis initiation and progression
One of two types of blood vessel cells
The more smooth muscle in an artery the larger and more elastic the artery is
Aging, hypertension and atherosclerosis can make arteries less elastic
Inner most layer of artery
Contains endothelium and some smooth muscle cells
Middle muscular layer of artery
Made up of mostly layers of smooth muscle cells and collagen protein. The more layers the more elastic and large the artery.
If the media breaks down, than an aneurysm occurs.
Outer, external layer of the arteries.
Acts as the coat of the vessel, may contain nerves and blood vessels that contribute to the function of the artery.
Made up of collagen, etc.
Muscular arteries function
Large vessels that carry blood from the heart to the body
More elastic to deal with the pressure load coming out of the pumping heart.
Regulate flow of blood to various body parts.
Nerves attached to them and chemicals control them to regulate flow to various organs
Another name for muscular arteries.
Named because they control blood flow through increased or decreased resistance.
the smallest elastic arteries.
Provide dynamic regulation of flow by constricting or dilating depending on flow needed to the organs they serve.
May be prone to damage due to their small size and structure
Intermediate vessels between arteries and veins.
Serve as a semi=
Calcification and fibrosis of the arterial media
Due to aging
Cholesterol laden plaque in arteries
Damage due to factors associated with atherosclerotic plaque build up leading to acclusion/rupture
atherosclerotic blockages, accumulation of lipid
Different types and progression- foam cell, fatty streak, intermediate lesion, athroma, fibrous plaque, complicated lesion/rupture
Final stage of plaque buildup
Can rupture leading to embolism/thrombus (body tries to clot the rupture)
Cholesterol disorders (high LDL, high triglycerides, low HDL)
Lack of physical activity
Obesity (especially with fat around the middle)
Acute vascular occlusion
"closure" of an artery
Can lead to heart attack, stroke, or death of an internal organ or extremity (gangrene)
Chronic vascular narrowing
a weakness in the wall of the artery causing a dilation or ballooning out of the vessel, which can rupture leading to serious damage
Most common in the aorta and cerebral vessels
Can be congenital or acquired
Complications: circulation impaired, ischemai due to emboli or dissection, rupture
Surgery for large or symptomatic
Inflammation of veins due to infection or other inflammatory process
If pressure and flow increase in these vessels, they can rupture, but with less serious physical consequences than with arteries
Most common in leg veins
caused by slowing of circulation in veins
Words From Our Students
"StudyBlue is great for studying. I love the study guides, flashcards, and quizzes. So extremely helpful for all of my classes!"
Alice, Arizona State University
"I'm a student using StudyBlue, and I can 100% say that it helps me so much. Study materials for almost every subject in school are available in StudyBlue. It is so helpful for my education!"
Tim, University of Florida
"StudyBlue provides way more features than other studying apps, and thus allows me to learn very quickly! I actually feel much more comfortable taking my exams after I study with this app. It's amazing!"
Jennifer, Rutgers University
"I love flashcards but carrying around physical flashcards is cumbersome and simply outdated. StudyBlue is exactly what I was looking for!"