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Details

BYU Tissue Lab
Muscle and Circulatory
20
Histology
Undergraduate 3
10/06/2010

Additional Histology Flashcards

 


 

Cards

Term
Muscle Wrappings: Deep to Superficial
Definition
Epimysium- whole muscle DCCTRA
Perimysium- single fascicle DCCTRA w/LCT
Endomysium- each myocyte DCCTRA w/some LCT
Term
Skeletal Muscle Histological name
Definition
Skeletal Muscle regularly arranged
Term
Intrafusal Fiber
Definition
Modified skeletal muscle
Term
Neuromuscular Junction
Definition
Terminal bouton meets Skeletal myofibers
Term
Tongue
Definition
Skeletal Muscle Irregularly arranged
Term
Cardiac Muscle
Definition
Bifurcations- branches
Intercalated Discs- darker bands of gap junctions
Still has striations
Term
Smooth Muscle in the Intestine
Definition
Smooth Muscle regularly arranged
Inner circular and outer longitudinal
Term
Smooth Muscle in Stomach
Definition
Smooth Muscle Regularly Arranged
Inner Oblique
Middle Circular
Outer Longitudinal
Term
Myometrium
Vagina
Definition
Smooth muscle irregularly arranged
Term
Oviduct
Definition
Inner circular and outer longitudinal
Both Smooth muscle Regularly arranged
Term
Vas Deferens
Definition
Inner Longitudinal
Middle Circular
Outer Longitudinal
Term
Ureter
Definition
This is the weird one.
Inner Longitudinal
Outer Circular
Term
Blood Vessel Layers
Definition
Tunica Intima: endothelium,basement membrane, internal elastic lamina
Tunica Media: smooth muscle RA
Tunica Adventitia: LCT and DCCTRA
Term
Large Artery
Definition
Tunica media is thick(50-70 layers)
1:1 ratio of elastic fibers
large lumen
Term
Medium artery
Definition
No 1:1 ratio of elastic fibers
10-40 smooth muscle layers
Internal and external elastic lamina are prominent
Term
Small artery
Definition
5-8 layers of muscle
No external elastic lamina
Term
Arteriole
Definition
1-3 layers of muscle
very little tunica intima
Term
Large Vein
Definition
No elastic layer
Tunica adventitia is larger than tunica media
Term
Small vein
Definition
Tunica intima is only endothelium
Term
Mesothelium
Myocardium
Pukinje Fibers
Endothelium
Definition
Mesothelium: Simple squamous at the top of epicardium
Mycardium: cardiac myocytes
Purkinje Fibers: modified cardiac myocytes
Endocardium: simple squamous
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