Shared Flashcard Set

Details

Anatomy
Blood and Heart
16
Anatomy
Undergraduate 4
12/01/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Fibrous Pericardium
Definition
  • fibrous connective tissue
  • prevents over-distension
  • anchors heart
Term
Serous Pericardium
Definition
  • double layer
    • parietal pericardium (lines fibrous pericardium)
    • visceral pericardium (surface of heart muscle)
Term
Pericardial Fluid
Definition
  • serous fluid
  • w/in pericardial cavity
  • reduces friction

 

Term
Epicardium
Definition

serous membrane

covers heart

epicarditis

Term
Myocardium
Definition

cardiac muscle tissue

involuntary

myocarditis

Term
Endocardium
Definition

lines chambers, valves, and tendons

simple squamous epithelium

endocarditis

Term
Atria
Definition

superior chambers

right and left

interatrial septum

fossa ovalis

Term
Ventricles
Definition

inferior chambers

right and left

interventricular septum

left wall thicker

Term
valves
Definition

separates [chambers] and [chambers and arteries]

direct blood flow

prevent backflow

Term
tricuspid valve
Definition

3 flaps

 

separates right atrium and right ventricle

Term
bicuspid (mitral) valve
Definition

2 flaps

 

separates left atrium and left ventricle

Term
Pulmonary semi-lunar valve
Definition

3 valves

 

separates right ventricle and pulmonary artery

Term
aortic semi-lunar valve
Definition

3 flaps

 

separates left ventricle and aorta

Term
papillary muscles
Definition

control valves

relax: open

contact: closed

Term
Conduction System
Definition

specialized muscle tissue that:

generates & distributes electrical impulses

stimulates cardiac  muscles to contract

 

can be recorded on ECG(EKG)

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