Lab 11 Discussion List -Identify when present
•LIGHT MICROSCOPY
•VESSELS
•tunica intima
•tunica media
•tunica adventitia/ tunica externa
•muscular (distributing) artery
•internal elastic lamina (membrane)
•external elastic lamina (membrane)
•elastic artery
•fenestrated elastic membr anes
•arteriole (cs & ls)
•capillary
•endothelium
•sinusoid
•postcapillary venule
•muscular venule
•lymphatic vessels
•small & medium-sized veins w/ & w/out valves
•large veins (e.g., vena cava)
•HEART
•endocardium
•myocardium
•epicardium
•atrioventricular (AV) valve
•chordae tendineae
•papillary muscle
•trabeculae carneae
•annulus fibrosus
•semilunar valve (how to tell pulmonic from
aortic)
•Purkinje fiber
•sinoatrial node
•bundle of His
•bundle branches
•ventricle vs. atrium
•right side of heart vs. left side of heart
•right ventricle vs. left ventricle
•ELECTRON MICROGRAPHS
•VESSELS
•arteriole
•pericyte
•continuous capillary in CT, muscle, lung, &
nerve
•fenestrated capillary with dia phragms in GI
lamina propria, endocrine organs, & kidney
peritubular capillaries
•fenestrated capillary without diaphragms in
kidney glomerulus
•discontinuous endothelium: liver, spleen &
bone marrow
•HEART
•myocardium
•intercalated disc
•atrial vs. ventricular myocytes
•conduction fibers (bundle of His & its branches)
•Purkinje fibers
