TOPIC 3B. The right half of the heart

Question 1

what is attached to the right atrium and by what

Answer 1

right auricle by mm pectinati

Question 2

what does the right atrium receive

Answer 2

deoxygenated blood from systemic veins and heart

Question 3

what does the greater part of the right atrium form

Answer 3

sinus venarum cavarum

Question 4

how many openings does sinus venarum cavarum have

Answer 4

4

Question 5

list the 4 openings of sinus venarum cavarum

Answer 5

ostium venae cava cran
ostium venae cava caud
sinus coronarius
ostium atrioventricular dexter

Question 6

name the ridge bw the 2 caval openings

Answer 6

tuberculum intervenosum

Question 7

what is the role of tubersulum intervenosum

Answer 7

directs the blood into ostium atrioventricular dextra

Question 8

name the remnant of foetal life found in sinus venarum cavarum

Answer 8

fossa ovalis

Question 9

what is sulcus terminalis

Answer 9

external groove below cranial vena cava

Question 10

what is the internal groove called at entrance of right auricle

Answer 10

crista terminalis

Question 11

what is sinus coronarius

Answer 11

vena coronarius enters by v cava caud

Question 12

where does the RV send its blood

Answer 12

to pulmonary trunk

Question 13

where is the pumonary trunk situated

Answer 13

in front of the aorta from the left side

Question 14

what trabeculae are present

Answer 14

carnae and septomarginalis

Question 15

name the papillary muscles present

Answer 15

m papillaris subarteriosus
m papillaris parvi
m papillaris magnus

Question 16

Where is m papillaris subarteriosus

Answer 16

on the septum at base of supraventricular crest

Question 17

where is papillaris parvi

Answer 17

on the septum, next to sulcus interventricular subsinosus

Question 18

where is papillaris magnus

Answer 18

on the parietal wall (largest one)

Question 19

what connects the pap muscles to the tricuspid valves

Answer 19

chordae tendinae

Question 20

what kind of valves are found at ostium AV dextra

Answer 20

tricuspid

Question 21

name the valves at ostium AV dextra

Answer 21

cuspis parietalis
cuspis septalis
cuspis angularis

Question 22

what is conus arteriosus

Answer 22

the funnerl shaped part of RV

Question 23

what is conus arteriosus separated from the main chamber by

Answer 23

supraventricular crest

Question 24

the pulmonary trunk has what kind of vlaves

Answer 24

3 semilunars

Question 25

name the valves of the pulm trunk

Answer 25

valva semilunaris sinistra
valva semilunaris dextra
and
valva semilunaris intermedia

Question 26

which one of the tr pulmonalis valves faces towards sulcis interventriuclaris paraconalis

Answer 26

valva semilunaris sinistra