Term
The tough outer ____ pericardium is made up of a strong layer of dense connective tissue: |
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Definition
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The outer or ____ layer of the serous pericardium adheres to the inner surface of the fibrous pericardium: |
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Definition
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The inner or ____ layer of the serous pericardium lies on the surface of the heart: |
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Definition
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Term
The thick, middle layer of the heart wall consisting of cardiac muscle fibers: |
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Definition
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The outer layer of the heart wall consisting of a serous membrane and adipose (fat) tissue: |
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Definition
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The innermost layer of the heart wall consisting of simple squamous epithelium and a thin layer of connective tissue: |
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Definition
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A small, ear shaped flap that extends anteriorly from the right and left atrium: |
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Definition
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Horizontal muscular ridges lining the anterior part of the right atrium: |
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Definition
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Term
A depression in the interatrial septum that marks where an opening existed in the fetal heart: |
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Definition
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Term
Irregular muscular ridges lining the ventricular walls: |
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Definition
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Term
Cone shaped muscles that project from the ventricular walls towards the bicuspid and tricuspid valves: |
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Definition
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Term
Thin, strong bands that extend from the structures that extend from the ? to the bicuspid and tricuspid valves: |
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Definition
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Term
What is the function of the papillary muscles and the chordae tendineae? |
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Definition
• The papillary muscles contract and pull on the chorea tendineae to hold the atrioventricular (AV) vales closed to prevent the reflux of blood from the ventricles into the atria. |
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Term
What is the function of the fascia adherens and gap junctions in the intercalated disks? |
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Definition
• Fascia adherens (bind adjacent cells together, transmit contractile force between cells) • Gap junctions (allow ions to pass between cells, transmit contractile signal between cells) |
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Term
As the heart ages, what happens to the cusps of the heart valves? |
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Definition
Hardening and thickening, particularly in those valves subjected to the highest blood pressures |
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Term
Cardiac reserve ____ with age: |
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Definition
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Term
Cardiac muscle becomes more fibrotic with age. What does this mean? |
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Definition
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Term
Which structures are found in the Tunica Media? |
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Definition
external elastic membrane smooth muscle |
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Term
Which structures are found in the Tunica externa? |
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Definition
Vasa vasorum Connective tissue(abundant collagen and elastic fibers? |
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Term
Which structures are found in the Tunica interna? |
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Definition
Endothelium Internal elastic membrane Subendothelial layer |
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Term
Continuous capillary:
Basement membrane; complete or incomplete? |
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Definition
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Term
Fenestrated capillary:
Basement membrane; complete or incomplete? |
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Definition
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Sinusoid capillary:
Basement membrane; complete or incomplete? |
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Definition
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Term
Continuous Capillary:
Intercellular clefts; large or small? |
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Definition
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Term
Fenestrated Capillary:
Intercellular clefts; large or small? |
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Definition
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Sinusoid Capillary:
Intercellular clefts; large or small? |
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Definition
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Continuous Capillary:
Fenestrations; present or absent? |
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Definition
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Term
Fenestrated Capillary:
Fenestrations; present or absent? |
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Definition
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Term
Sinusoid Capillary:
Fenestrations; present or absent? |
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Definition
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Term
Which capillary is found in the Kidneys? |
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Definition
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Term
Which capillary is found in the bone marrow? |
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Definition
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Term
Which capillary is found in the skeletal muscle? |
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Definition
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Term
Which capillary is found in the central nervous system? |
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Definition
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Term
Which capillary is found in the small intestine? |
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Definition
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Term
Which capillary is found in the spleen? |
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Definition
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Term
Which blood vessel has more elastin in their walls? |
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Definition
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Term
Which blood vessel has a thicker tunica externa than tunica media? |
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Definition
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Term
Which blood vessel contains valves? |
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Definition
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Term
Which blood vessel has the thickest wall? |
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Definition
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Term
Which blood vessel has a larger lumen? |
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Definition
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Term
Which blood vessel has a thicker tunica media than tunica externa? |
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Definition
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Term
These structures lie along intermediate filaments and anchor the thin filaments (they correspond to the Z-discs in striated muscle) |
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Definition
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Term
Tiny spherical infoldings of the sarcolemma that sequester calcium close to the surface of the fiber membrane? |
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Definition
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Term
The fibers in a single-unit or multi-unit smooth muscle linked by gap junctions? |
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Definition
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