Blood and Blood Vessels Flashcards
Name the 3 layers of blood vessels
Tunica intima, tunica media, tunica adventitia
What happens in elastic arteries?
large amounts of smooth muscle in tunica media is replaced by sheets of elastic fibres
What is an arteries own blood supply called?
Vasa Vasorum
Arterioles have what characteristic?
One or two layers of smooth muscle in tunica media
Capillaries are composed of what?
Endothelial cells and a basal lamina
Where do capillaries drain into?
Post capillary venues which are made up of a thin layer of connective tissue
Veins consist of what?
few layers of smooth muscle
What is seen in blood after spinning?
erythrocytes bottom, then buffer coat which is leukocytes and platelets and then plasma
What is another term for erythrocytes?
red blood cells
How long do erythrocytes last in blood
around 4 months
What are neutrophils?
granulocytes, most common form of leukocyte
Eosinophils are released from where and last how long?
bone marrow 8-12 hours
Basophils are important in relation what?
allergic reactions
Where are monocytes found?
loose connective tissue
T and B Lymphocytes participate in what sort of immune response?
specific
