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“A” represents the ___ of the heart.
Apex
“C” represents the ___ of the heart.
Aorta
“A” is most likely labeling the ____.
Right ventricle
“B” is most likely labeling the ___.
Left ventricle
“C” is most likely labeling the ___.
Right atrium
“D” is most likely labeling the ____.
left atrium
What are the blind pouches that extend the heart chambers labeled C & D?
Auricles
What is the primary purpose of the structures that are lying on the heart chambers labeled C & D?
Hold blood
Which structure surrounds the heart and provides protection, while reducing friction?
Pericardium
Which structure is located at “C?”
Interventricular septum
Which structure is located at “D,” which splits off into the E’s: ____?
Pulmonary trunk; pulmonary arteries
Which valve is located at A?
Right atrioventricular valve
Which valve is located at B?
Left atrioventricular valve
Which valve is located at C?
Pulmonary valve
Which valve is located where D meets the heart?
Aortic valve
The thin structures inside the heart, circled here, are called ____, and are held in place by ____ muscles.
Which vessels are circled?
Pulmonary veins
What is located at “A?”
Subsinuosal interventricular sulcus
What is located at “B?”
Circumflex artery
What is located at “A,” and is shown in green?
Trabeculae septomarginalis
What tissue separates the left and right atria?
Interatrial septum
Which artery is located at A?
Paraconal interventricular artery
Which arterial branch is located at A?
Subsinuosal interventricular artery
Which artery is located at “C?”
Right coronary
Which blood vessel is located at A?
Great cardiac vein
Which species possesses an os cordis, and what type of tissue is it?
Bovine; bone
Which arteries are located at the “A’s?”
Common carotid
Where is the foramen ovale located in a fetus?
Passageway between right and left atria
Post-birth, the foramen ovale scars shut. What is this new depression called?
Fossa ovalis
PDA ocurs when the ductus arteriosus (a ____) fails to fully form the ligamentum arteriosus after birth.
Passageway between the pulmonary artery and aorta
Which bone is labeled “A?”
Incisive
Which bone is labeled “H?”
Parietal
Which bone is labeled “E?”
Temporal
Which bone is labeled “G?”
Occipital
Which bone is labeled “B?”
Maxillary
Which bone is labeled “C?”
Nasal
Which bone is labeled “I?”
Frontal
J is pointing to the ____ (the space between bone I and bone D).
Orbit
Which bone is labeled “D?”
Zygomatic arch
Which opening is labeled “F?”
External acoustic meatus
The “bony bulbs” next to structure F are called ____.
Tympanic bullae
Structure A is known as the ____.
External sagittal crest
The peach color represents the ____ sinus, while the teal color represents the ____ sinus.
Frontal; maxillary
The feature at B is called the ____ in this particular species.
Facial crest
The opening at A is called the ____.
Supraorbital foramen
List the muscles shown below in order (A-E).
A- Masseter
B- Temporalis
C- Buccinator
D- Levator Nasolabialis
E- Digastricus
What is muscle D responsible for?
Snarling
What structures are located at 1, 6, and 7 (in order)?
Dorsal buccal branch; parotid salivary duct; ventral buccal branch