What does Venarum mean?
What does Venarum mean?
1. a recess, cavity, or channel, such as one in bone or a dilated channel for venous blood. 2. an abnormal channel or fistula, permitting escape of pus.
What is meaning of sinus venosus?
The sinus venosus is a cardiac chamber upstream of the right atrium that harbours the dominant cardiac pacemaker. During human heart development, the sinus venosus becomes incorporated into the right atrium.
What is the sinus horn?
Internally, the sinoatrial oriface is flanked by two valves, the right and left venous valves. Superiorly these two valves meet to form the septum spurium. Note that the left horn opens up underneath the oriface of the right horn (sinoatrial oriface). This is the orifice of the coronary sinus.
What does the bulbus cordis become?
The bulbus cordis leads into the truncus arteriosus, which continues a short distance anteriorly before bifurcating into right and left branches, each of which extends anterolaterally and gives rise to three large arteries (Figures 6.15 and 6.17).
What is the crista terminalis?
The crista terminalis is a variation of normal anatomical structure within the right atrium which may be misdiagnosed with an abnormal atrial mass normally visualized in the standard views on the transthoracic echocardiogram.
What is the difference between atria and atrium?
It is divided into four chambers that are connected by heart valves. The upper two heart chambers are called atria. Atria are separated by an interatrial septum into the left atrium and the right atrium. The lower two chambers of the heart are called ventricles.
What does Conotruncal mean?
Definition. A congenital malformation of the outflow tract of the heart.
What is Artreum?
Atrium refers to the each of the two upper cavities of the heart, which supplies blood to the ventricles. The two atria are separated by the interatrial septum. Thereby, the two atria are the left atrium and the right atrium. The major function of the atrium is to receive blood and carry it to the ventricles.
What’s the largest vein in human body?
inferior vena cava
Your inferior vena cava, your body’s largest vein, carries oxygen-depleted blood back to your heart from the lower part of your body (below your diaphragm).