Term
| Which animals have a clavicle? |
|
Definition
animals whose forelimbs are only for locomotion do not (e.g. horse, cow)
animals who use their forelimbs for clawing, prehension do have a clavicle (e.g. cat)
carnivores have a vestigeal clavicle that doesn't articulate with the sternum or scapula (e.g. wolfhounds) |
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Term
| Most external thoracic muscle |
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Definition
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Term
| ____ intercostal muscles assist with inspiration while _____ intercostals help with expiration |
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Definition
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Term
| What does the transversus thoracis do? |
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Definition
| pulls costal cartilages in & helps with expiration |
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|
Term
| What are the ILS muscles? |
|
Definition
iliocostalis thoracis
longissimus
spinalis thoracis |
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Term
| Nervous supply to the skin of the thoracic wall is provided by... |
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Definition
| dorsal & lateral cutaneous nerves |
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|
Term
| Deeper structures (e.g. muscles) of the thorax are innervated by... |
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Definition
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Term
| The brachiocephalicus runs from... |
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Definition
|
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Term
| What are the levator costae muscles? |
|
Definition
| run from trip of transverse processes of vertebra to the upper aspect of the associated rib |
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|
Term
| What are the pectoral muscles? |
|
Definition
transverse pectoral
descending pectoral
ascending pectoral |
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|
Term
| The costal parietal pleura is lined internally by the.. |
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Definition
|
|
Term
| The diaphragm is covered by the... |
|
Definition
| diaphragmatic parietal pleura |
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Term
|
Definition
cranial, middle, caudal & accessory
*in the cow the right lobe has cranial & caudal parts |
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|
Term
| Blood from the thoracic cavity is returned to the heart through the.. |
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Definition
|
|
Term
True or False
Ruminants have a pair of azygous veins |
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Definition
|
|
Term
| What is the line of pleural reflection? |
|
Definition
| the point where the pleura turn back on itself and extends beyond the surface of the lungs |
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|
Term
| What is the costodiaphraghmatic recess? |
|
Definition
region within the thoracic cavity 'beyond' the lungs, 7th & 8th intercostal space
-can safely do pleurocentesis here |
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Term
|
Definition
right crura
left crura
central tendon
sternal part
right costal part
left costal part |
|
|
Term
| What is the thoracic duct? |
|
Definition
| vessel bringing lymph from the abdominal cavity to thoracic cavity to the heart |
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Term
| The ______ nerve innervates the diapraghm |
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Definition
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Term
| What portion of the body is the vagosympathetic trunk found? |
|
Definition
in the neck
they separate and become the vagus & sypathetic trunk at the thoracic inlet |
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|
Term
| What muscle covers the 'gap' the the incomplete cartilagenous rings of the trachea? |
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Definition
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|
Term
| What are the lobes of the left lung? |
|
Definition
cranial lobe (with cranial & caudal parts)
caudal lobe
*in the horse the left cranial lobe does not have 'parts' |
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|
Term
| The vein running from the lungs to the left atrium is the... |
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Definition
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|
Term
| The vein running from the right ventricle to the lungs is the... |
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Definition
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|
Term
| Nutritional blood supply to the lungs is the... |
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Definition
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|
Term
| The most cranial region of the trachea attaches to the.... |
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Definition
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|
Term
| How does the branching off the aortic arch differ between horses & dogs? |
|
Definition
in horses the left subclavian branches off of the brachiocephalic trunk
in dogs the left subclavian comes off of the aortic arch, after the brachiocephalic trunk |
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|
Term
| What are the 3 layers of the pericardium? |
|
Definition
fibrous pericardium
parietal pericardium
visceral pericardium |
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|
Term
| Between the pericardial layers you will find _______ which keeps the heart moist and reduces friction |
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Definition
|
|
Term
| What ligaments keep the heart in place? |
|
Definition
sternopericardiac ligament
-between pericardium & sternum
phrenopericardial ligament
-between heart & diaphragm |
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|
Term
| What do auricles of the heart do? |
|
Definition
| -reduce turbulence of blood flow, the pectinate muscles of the auricles absorb the 'shock' |
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|
Term
| Where is the moderator band found? Why don't both sides of the heart have moderator bands? |
|
Definition
between septum & outer wall of right ventricle
left ventricle has a thick muscular wall, well protected whereas the right ventricular wall is thin and can't tolerate too much distension |
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|
Term
| What type of valves regulate flow of blood into the aorta & pulmonary trunk? |
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Definition
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Term
| What type of valves regulate flow of blood from the right atrium to the right ventricle? |
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Definition
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|
Term
| What type of valves regulate flow of blood from the left atrium to the left ventricle? |
|
Definition
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|
Term
| The ______ sinus is found in the right atrium |
|
Definition
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