Cardiovasc System
Help!
|
|
||||
|---|---|---|---|---|---|
| Small arteries | arterioles
🗑
|
||||
| Small veins | Venules
🗑
|
||||
| White blood cells typicall leave circulation to enter tissues at _____ | postcapillary venule
🗑
|
||||
| ______ are the smallest vessels. They consist of a single layer of _______ cells and their ________. | Capillaries, endothelial cells, basal lamina
🗑
|
||||
| Specialized ______ fibers synchronize the contraction of the heart to make contractions more efficient. | cardiac muscle
🗑
|
||||
| Electrical impulses are initiated at the ______ node, or the pacemaker | sinoatrial (SA)
🗑
|
||||
| Impulses spread through the atria to the _______ node | atrioventricular (AV)
🗑
|
||||
| The impulse is transmitted to the ventricles by the ______ | bundle of His
🗑
|
||||
| Bundle of His divides into ____ and ____ bundle branches | right, left
🗑
|
||||
| Further branching into subendothelial branches is known as ______ | Purkinje fibers
🗑
|
||||
| Composed of endothelial cells, basal lamina and subendothelium connective tissue layer. | Tunica intima
🗑
|
||||
| Composed of circumferentially arranged smooth muscle | Tunica media
🗑
|
||||
| Outermost connective tissue layer, composed mostly of collagenous tissue and a few elastic fibers | Tunica adventitia
🗑
|
||||
| Small blood vessels that nourish the tunica media are called ______. Is in this tunic layer in large vessels: _______ | vasa vasorum, tunica adventitia
🗑
|
||||
| A network of autonomic nerves found in tunica adventitia that controls the contraction of smooth muscle | nervi vascularis
🗑
|
||||
| Elastic arteries have multiple sheets of ____. They function primarily as _____. | elastic layers, conduction tubes
🗑
|
||||
| Largest elastic arteries: | Aorta, Pulmonary artery, Main branches of aorta (brachiocephalic, common carotid, subclavian, common iliac arteries)
🗑
|
||||
| In Tunica Intima layer, Weibel-Palade bodies contain _____ | von Willebrand factor (coagulating factor VII)
🗑
|
||||
| Most von Willebrand factor is synthesized by __________. | arterial endothelial cells.
🗑
|
||||
| Endothelial cells maintain nonthrombogenic barrier between platelets and sebendothelial tissue by producing ______ and ________ | anticoagulants (thrombomodulin), and antithrombogenic sustances (prostacyclin and tissue plasminogen activator)
🗑
|
||||
| Damage to endothelial cells causes them to releast prothombogenic agents such as ________ and _______ | von Willebrand factor, plasminogen activator inhibitor
🗑
|
||||
| Endothelial cells modulate blood flow and vascular resistance by secreting ______ and _____. | Vasoconstrictors (endothelin, angiotensin-converting enzyme, {ACE}), Vasodilators (endothelial-derived relaxation factor {EDRF/NO}, prostacyclin)
🗑
|
||||
| Foam cells are derived from _____ and _____ | macrophages and smooth muscle
🗑
|
||||
| Muscular arteries (also known as _____ arteries). It has more ____ and less ____ in the tunica media than elastic arteries. | medium artery, smooth muscle, elastin
🗑
|
||||
| In muscular artery, the tunica media is composed almost entirely of ______ | smooth muscle
🗑
|
||||
| Muscular arteries have a prominent ______ | internal elastic membrane
🗑
|
||||
| Continuous capillaries are found in: ____, ____, and ____ | muscle, lung, and CNS
🗑
|
||||
| ______ junctions, a type of tight junctions, seal continuous capillaries together | occluding
🗑
|
||||
| Relatively unspecialized cells derived from the same precursor cell that gives rise to endothelial cells | Pericytes
🗑
|
||||
| Fenestrated capillaries are found in: _____, _____, and ______ | endocrine glands, intestinal tract, and gallbladder
🗑
|
||||
| Discontinuous capillaries are found in: _____, _____, _____ | liver, spleen, and bone marrow
🗑
|
||||
| Discontinuous capillaries are also called ______ or _____ | sinusoidal capillaries or sinusoids
🗑
|
||||
| __________ of metarterioles control blood flow into the capillary bed | Precapillary sphincters
🗑
|
||||
| Large veins have a thick tunica ______, and a thin tunica _____ | adventitia, media
🗑
|
||||
| Venous channels in the cranial cavity are lined with _______ cells and are called ______ | endothelial, venous or dural sinuses
🗑
|
||||
| The two largest lymph vessels are the ____ and ____ | thoracic duct, right lymphatic duct
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
addimatteo
Popular Histology sets