G3 The Heart Flashcards
Rough wall of the atria is made of _____ mm.
Pectinate
Ridge that separates the rough wall (pectinate mm) from smooth wall
Crista Terminalis
The three cusps of the tricuspid valve are:
This valve is anchored via ____ to the papillary mm.
- Anterior Cusp
- Septal Cusp
- Posterior Cusp
Chordae Tendineae
Outflow area that leads to Pulmonary Semilunar valve
Conus Arteriosus
Muscle lining the ventricle wall
Trabeculae Carneae
3 Cusps of Pulmonary SL Valve:
- Anterior SL cusp (unique to Pulmonary)
- Right SL cusp
- Left SL cusp
3 cusps of Aortic SL Valve:
- Right SL Cusp
- Left SL Cusp
- Posterior SL Cusp (unique to Aortic)
2 cusps of Bicuspid Valve:
Anchored via chordae tendineae to _____ mm.
- Anterior Cusp
- Posterior Cusp
Papillary
Arterial Dominance (Right vs. Left) is determined by which coronary artery the _____ artery branches off of
Posterior Interventricular
Right Coronary Artery Branches:
- Ant. Right Atrial a. - Sinu-Atrial Nodal a.
- Right Marginal a.
- Posterior Interventricular a. (Usually)
Left Coronary Artery Branches:
- Ant. Interventricular a. (Left Ant. Descending a.)
2. Circumflex a. - Left Marginal a.
The ____ coronary artery supplies the Interventricular septum (AV bundle and branches), and the atrium and ventricle on the same side.
The ____ coronary artery supplies the sinu-atrial node, AV nodes, and interatrial septum, and the atrium/ventricle on the same side.
Left
Right
Cardiac veins that to not drain into the coronary sinus (drain directly into R atrium instead)
Anterior Cardiac Veins
The ____ Nervous System affects the rate of heartbeat because the heart receives sympathetic innervation from ___ and parasympathetic from ____ that both contribute to superificial and deep cardiac plexuses.
Autonomic
T1-T5
Vagus n (CN X)
