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Details

mediastinum and heart II
into the heart and posterior mediatinum
38
Anatomy
Graduate
09/08/2009

Additional Anatomy Flashcards

 


 

Cards

Term

flow of blood-

start from VC

Definition

IVC and SVC drain into right atrium

right ventricle-> pulminary trunk

pulminary arteries-> left atrium

left ventricle-> aorta

 

Term
[image]
Definition

pink- interarterial septum

celeste- interventricular septum

Term
[image]
Definition

celeste-sinoartial nodal branch

pink- right marginal branch

yellow- posterior interventricular branch

green- circumflex branch

purple- anterior interventricular branch

orange- left marginal branch

Term
[image]
Definition

green-coronary sinus

pink-small cardiac vein

yellow- middle cardiac vein

blue-great cardiac vein

Term
what opens in to the right atrium?
Definition

IVC

SVC

coronary sinus

Term
[image]
Definition

green- right auricle

pink- pectinate muscle

yellow- crista terminalis

purple- fossa ovalis

blue- interarterial septum

Term
what is the valve right atria to right ventricle
Definition

tricuspid

right strioventricular valve

passive open during atrial contraction

Term
[image]
Definition

red- chordae tendineae

green- papilary muscles

purple- taberculae cerneae

blue- interventricular septum

yellow- moderator band- septomarginal trabecula

Term
what type of valve- pulminary valve- opens to pulmonary trunk
Definition
3 cups sinus- when sinus fill close the valve
Term
what is the mitral valve
Definition

left atrioventricular valve

2 cups, opens passivly during atrial contraction

Term
left ventricle- differences from right
Definition

walls twice as thick

2 cusps, with papillary muschel and chordae tendineae

Term
what is the aortic valve
Definition

3 cups, close valve when filled

 

Term
where do aortic arteries get blood
Definition
blood from the aortic sinuses- the cups in the aortic valve
Term
how does fetal blood get to the heart
Definition

umbilical vein

past liver via ductus venous

to IVC

Term
bypasses in fetal heart
Definition

forman ovale- lets blood from RA to LA

ductus anteriosus- bypass from pulmonary trunk to arch of aorta, after major branch points

Term
what causes the change in blood flow from prenatal to post natal
Definition
pressure change, in lungs allows the blood to flow to them
Term
remnants of fetal development in adults
Definition

round ligament in liver- fetal ubilical veins

ligamentum venosum- fetal ductus venousus

fossa ovalis- fetal foramen ovale

ligamentum arteriosum- fetal ducutus arteriosis

medial umbilical ligaments- fetal umbilical arteries

Term
what is the pacemaker of the heart
Definition

Sinoatrial node-

junction of SVC and rigth atrium

 

Term
what initiates impulse for contraction
Definition
SA node
Term
SA node stimulated by what?
Definition
sympathetic- increase heart rate
Term
SA node inhibited by what?
Definition
parasympathtic via vagus nerve- decrease  heart rate
Term
map the signaling in the heart
Definition

SA node

AV node- in interarterial spetum

AV bundle- interventricular septum

right and left bundle for each ventricle

Term
where does esophagus pass through diaphram?
Definition
T10
Term
where does the thoracic aorta cross the diaphram?
Definition
T12
Term
location of thoracic aorta?
Definition
left of midline
Term
[image]
Definition

white- posterior intercostal arteries

blue-bronchial arteries

green-esophogeal arteries

orange- subcostal arteries

Term
Where is the azygous system?
Definition
right of midline
Term
where does the blood in the azygous system come from?
Definition

mediastinal structures ( bronchial and esophogeal veins)

thoracic walls

posterior abdominal wall

Term
where does blood in the azygous system go?
Definition
to SVC
Term
does the azygous system have valves?
Definition
nope
Term
[image]
Definition

pink- acessory hemi azygos vein- 

green hemiazygos vein

blue- azygos vein

Term
what is the thoracic duct
Definition

major lymphatic vessel

lies between azygos and esophagus

drains to left venous angle

Term
what is the sympathetic trunk
Definition

conects paravertebral ganglia

cervical to sacral

white and grey rami comunicans connect to intercostal nerves

Term
[image]
Definition

azygos

esophogus

sympathetic trunk

thpracic aorta

maybe thoracic duct

Term
what kind of innervation to skin of body wall
Definition
sympathetic
Term
map rout of nerve to skin of body wall
Definition

preganglionic cell bodies in lateral horn-> preganglionic fiber  from ventral root-> spinal nerve-> ventral ramus-> white ramus comunicans-> sympathetic trunk

 

Post ganglionic cell bodies in paravertebral bodies-> fiber-> grey ramus communicans-> ventral/dorsal rami-> body wall

Term
[image]
Definition

green- greater splanchnic nerve

celeste- lesser splanchnic nerve

pink- least splanchnic nerve

Term
what innervates abdominal organs?
Definition

sympathetic innervation

splanchnic nerves

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