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anatomy > heart > Flashcards

heart Flashcards

1
Q

location of the heart

A
  • Middle mediastinum
  • Posterior to the body of the
    sternum and the 2nd to the
    6
    th costal cartilages
  • anterior to T5-T8
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2
Q

pericardium is amde of

A

Fibrous: tough, dense irregular
connective tissue
* Attachments:
* Below: central tendon of
the diaphragm.
* Front: sternum by the
sternopericardial
ligaments
* Serous: thinner, more delicate

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3
Q

apex of the heart

A

lt at teh level of the fifth intercostal space

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4
Q

base of the heart

A

la and four pulmonary veins

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5
Q

anteriro surface of the heart

A

ra and rt

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6
Q

right pulmonary surface

A

ra

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7
Q

left pulmonary syurface

A

lt and a portion of la

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8
Q

inferior surface of the heart

A

lt rt

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9
Q

right border of the heart

A

ra and rt

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10
Q

superiro border of the heart

A

foot of great vessels

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11
Q

inferior border of the heart

A

right ventricle to teh paical part of theleft ventricle

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12
Q

left border of the heart

A

the base to the apex

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13
Q

what are wrinkled puches outisde tehatria that give extra space

A

auricles

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14
Q

sulci description

A

grooves that mark external boundaries on the heart and contain blood vessels and some amoubt of fat

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15
Q

sulci on the heart

A

coronary sulcus deep contaisn coronary blood vessels and externall marks the sepertaion between the superior atria and the inferiro ventricles
anterior and posterior interventricular sulci

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16
Q

ra description

A

2 -3 mm in thickness
sulcus and crista terminalis
anterior wall is rough because of the pectinate muscles
posterior wall is smooth
interatrial septum contains oval depression called fossa ovalis rememnant of foramen ovale

17
Q

right atrium recieves deoxygenate dblood from the

A

superiro and inferiro vena cava and the coronary sinus

18
Q

the valve between the ra and rt

A

tricsupid valve made up of dense connective tissue
anteriro septal and inferior cusps

19
Q

right ventricle description

A

4-5 mm in thickness
forms mostof the anterior surface of the heart
trabulcae carnae and papillary cone shaped muscles that connnect to the chordae tendonae
moderate band runs from the septal to the anterior wall

20
Q

left atrium description

A

recieves oxygentaed blood from four pulmonary veins
smooth anetriro and posteriro walls becuase no pectinate muscles are present
mitral bicuspid left atrioventricular fvalve between the la and lt

21
Q

crista termnalis is located

A

outside

22
Q

crista and sulcus terminalis job

A

seperate teh anteriro from the posterior wall -of the heart

23
Q

left ventrciel description

A

10-15 mm inthickness for,s teh apex of the heart
aortic valve ( 2 anterior 1 posteriro ) cusps passes blood from thelt to the ascending aorta

24
Q

left coronary arteyr passes

A

forward between teh left auricle and the pulmonary trunk

25
Q

branches oof the left coronary artery

A
  • The anterior
    interventricular
    branch or left anterior
    descending (LAD)
    artery is in the anterior
    interventricular sulcus
    and supplies
    oxygenated blood to
    the walls of both
    ventricles.
    ⚫ The circumflex branch lies in the coronary sulcus
    and distributes oxygenated blood to the walls of
    the left ventricle and left atrium
26
Q

right coronary artery description

A

The right coronary artery:
arises from ascending
aorta and runs forward
between the pulmonary
trunk and the right
auricle:

27
Q

branches of right coronary artery

A

Atrial branches: to
the right atrium.
* Posterior
interventricular:
follows the posterior
interventricular
sulcus and supplies
the walls of the two
ventricles with
oxygenated blood
⚫ Marginal branch: transports oxygenated to
the right ventricle

28
Q

the rigjt coronary arteyr runs

A

posteriorly

29
Q

branch of circumflix

A

left marginal

30
Q

branch of LAD

A

diagonal

31
Q

coronary sinus

A

in teh posteriro surface of the heart empties into the ra in the coronary sulcus

32
Q

great cardiac vein

A

in the anteriro interventricuklar sulcus draisn from the l and r ventricles along with thela

33
Q

middle cardiac vein

A

emptoes from the l and r ventricles and runs in the posteior interventrciular sulcus

34
Q

small cardiac vein

A

runs in the coronary sulcus and draisn dfrom the right a and v

35
Q

anterior cardiac vein

A

draisn from the right v directly into the right atrium

anatomy (36 decks)

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