Term
| In which layer(or "tunica") of a blood vessel will you find VASA VASORUM? |
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Definition
The TUNICA AVENTITIA
...of LARGE vessels (e.g. arterioles, capillaries, and venules). The vasa vasorum provides nutrition to layers that are too large to be nourished just by the blood passing through the vessel. (Technically few vasa vasorum can be foundin the tun. media as well, but this is a rarity.)
pg. 207 Junqueira |
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Term
| Name the three layers of the a blood vessel, going from inside to outside. |
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Definition
Tun. Intima
Tun. Media
Tun. Adventitia |
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Term
| In which layer of the heart can one find PURKINJE fibers? |
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Definition
In the ENDOCARDIUM
...the Purkinje fibers are often described as "SUBENDOCARDIAL", be sure not to mix this up with the term SUBENDOTHELIAL, which is used to describe CT. See page 56 in Lab Manuel for Cells. |
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Term
| Stimulation of cardiac mm. involves what kind of junctions? |
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Definition
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Term
| A vessel with a wide irregular lumen enclosed by endothemlium and perhaps PERICYTES and a basal lamina is a _________. |
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Definition
VENULE
...the key word here is "pericyte", if it has those it is definitely a VENULE. |
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Term
| What three things may be found in the tun. intima? |
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Definition
ENDOTHELIUM
SUB-entothelial CT
INTERNAL ELASTIC LAMINA |
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