The Cardiovascular System - Cardiovascular Anatomy Flashcards
Heart tissue is composed of ____
Layers
Endocardium
The smooth, delicate inner lining of the atria and ventricles
ENDO-
Means inside
Myocardium
The muscular wall that makes up the bulk of the heart
MYO-
Means muscle
The myocardium of the left ventricle is especially thick because?
It has to be very strong to force blood through the arteries leading to every part of the body
Pericardium
The thin but sturdy outer membrane
Name the three layers of the heart
- Endocardium
- Myocardium
- Pericardium
The pericardium has two layers of its it’s own.
What are they called?
- Visceral Pericardium
* Parietal Pericardium
Visceral Pericardium
The layer that adheres to the myocardium
Parietal Pericardium
Contains the whole heart like a sac
Between the visceral and parietal layers is the ____
Pericardial Cavity
Pericardial Cavity
A fluid-filled space
Atrium
An entryway of a building
Can be seen as where the blood goes to the heart
Ventricle
Meaning stomach or body
Can be seen as blood going through the entry, and then pumped down the “belly” of the heart to go back to circulation