Heart

Question 1

what is the peri-cardium

Answer 1

a structure that surrounds the whole heart

there is a fibrous outer layer= a sac which encapsulates the heart

there are 2 serous layers= attach the heart to adjacent structures

Question 2

what is the pericardial fluid and where is it found

Answer 2

a fluid found between the 2 serous layers of the pericardium

Question 3

you should be able to identify key structures of the right atrium. which are these…

Answer 3

the crista terminalis= separates the smooth and rough portions of the right atrial wall

musculi pectinate= elevations on the rough surface

opening of superior vena cava and opening of the coronary sinus= on the smooth walled portion

fossa ovalis= a smooth depression, a remanent of the foramen ovale

tri-cupsid valve

Question 4

you should be able to identify key structures of the left atrium. what are they

Answer 4

the opening of the pulmonary veins

musculi pectinate on the rough wall