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Oral science B > arteries > Flashcards

arteries Flashcards

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1
Q

blood vessels are

A

less numerous than lymphatic vessels

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2
Q

Blood vessels can spread

A

infection and cancerous cells from a tumor to distant sites more rapidly than lymph vessels

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3
Q

arteries

A

carry blood away from heart

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4
Q

arterioles

A

artery branches off into smaller diameter arterioles

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5
Q

capillaries

A

arterioles branch off into even smaller diameter capillaries

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6
Q

capillary networks throughout the body are used to

A

exchange oxygen, metabolic waste, & carbon dioxide between blood and tissue

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7
Q

venules

A

smaller diameter veins drain the capillaries

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8
Q

vein

A

larger diameter, drains blood from the venules/capillaries in an area and takes it TOWARDS the heart

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9
Q

anastomosis

A

the process when the vessels connect/communicate with each other

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10
Q

plexus

A

Large network of blood vessels
*Pterygoid plexus

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11
Q

venous sinus

A

Blood filled space between the two layers of tissue
*Cavernous Venous Sinus

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12
Q

largest artery

A

aorta

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13
Q

3 large arteries branch directly off of the aorta

A

1) Brachiocephalic 2) Left common carotid 3) Left subclavian

Brachiocephalic artery is ONLY on the RIGHT side

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14
Q

Brachiocephalic

A

Right side of head, neck, shoulder, & upper arm

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15
Q

Left Common Carotid

A

Left side of head & neck

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16
Q

Left Subclavian

A

Left shoulder & upper arm

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17
Q

common carotid R & L

A

Travels in a sheath beneath the Sternocleidomastoid muscle

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18
Q

common carotid sheath contains

A

Common Carotid
Internal Jugular Vein
10th cranial/Vagus nerve

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19
Q

internal carotid

A

Common carotid divides just superior to the carotid sinus

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20
Q

internal carotid enters the cranium through

A

carotid canal

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21
Q

what does the internal carotid supply

A

intracranial structures

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22
Q

what is the source of ophthalmic artery which supplies the eye, orbit and lacrimal gland

A

internal carotid

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23
Q

what is used by medical professionals to take pulse

A

internal carotid

24
Q

external carotid

A

Arising or branching from the common carotid

25
Q

what does the external carotid supply

A

extracranial tissues of head & neck including oral cavity

26
Q

external carotid four branches

A

Anterior (3)
Posterior (1)
Medial (1)
Terminal (2)

27
Q

External Carotid-Anterior Branches

A

Superior Thyroid
Lingual
Facial

28
Q

External Carotid-Anterior Branches
Superior thyroid

A

Superior Thyroid - supplies tissue inferior to the hyoid bone
Infrahyoid muscles
Sternocleidomastoid
Muscles of larynx
Thyroid gland

29
Q

External Carotid-Anterior Branches
lingual

A

Arises at level of hyoid bone
Travels to apex of tongue
Supplies tissues superior to the hyoid bone

30
Q

External Carotid-Anterior lingual branches

A

1.)Sublingual
Mylohyoid muscles, sublingual salivary gland & floor of mouth
2.)Dorsal lingual
3.)Deep lingual
tongue
4.)Suprahyoid

31
Q

External Carotid-Anterior Branches
facial (5) branches

A

ascending palatine
submental
inferior labial
superior labial
angular

32
Q

facial- ascending palatine

A

soft palate, palatine muscles and tonsils

33
Q

facial- submental

A

glandular branches, lymph nodes, salivary gland, mylohyoid, digastric muscles

34
Q

facial- inferior labial

A

lower lips tissue & muscles of facial expression

35
Q

facial- angular

A

tissues along side of nose

36
Q

medial branch of external carotid- ascending pharyngeal artery

A

Rises close to origin of external carotid
Has many small branches
Pharyngeal & Meningeal Branches
Walls of pharynx
Anastomose with ascending palatine artery
Soft palate
Meninges of the brain

37
Q

External carotid- posterior branches

A

occipital
posterior auricular

38
Q

External carotid- posterior branches
occipital

A

Posterior scalp, meningeal tissues in area, SCM muscle & suprahyoid muscle

39
Q

External carotid- posterior branches
posterior auricular

A

Internal ear & mastoid air cells

40
Q

External Carotid-Terminal Branches

A

Superficial Temporal (4)
Maxillary (10)

41
Q

External Carotid-Terminal Branches
superficial temporal

A

Arises within parotid gland
Sometimes visible under skin of temporal region

42
Q

External Carotid-Terminal Branches
superficial temporal (4 branches)

A

transverse facial
middle temporal
frontal
parietal

43
Q

External Carotid-Terminal Branches
superficial temporal- transverse facial

A

parotid gland duct

44
Q

External Carotid-Terminal Branches
superficial temporal- middle temporal

A

temporalis muscle

45
Q

External Carotid-Terminal Branches
superficial temporal- frontal

A

scalp in frontal region

46
Q

External Carotid-Terminal Branches
superficial temporal- parietal

A

scalp in parietal region

47
Q

External Carotid-Terminal Branches
Maxillary

A

Begins at neck of condyle within parotid gland
Runs between mandible & sphenomandibular ligament into infra-temporal fossa
Enters the pterygopalatine fossa
Gives off many branches in fossa

48
Q

External Carotid-Terminal Branches
Maxillary (10 divisions)

A

1.Middle Meningeal
2. Inferior Alveolar (IA)
3. Deep Temporal(s)
4. Pterygoid(s)
5. Masseteric
6. Buccal
7. Posterior Superior Alveolar (PSA)
8. Infraorbital
9. Greater Palatine (GP)
10. Sphenopalatine

49
Q

External Carotid-Terminal Branches
Maxillary (middle meningeal)

A

Supplies meninges of brain via foramen spinosum; -Skull bones

50
Q

External Carotid-Terminal Branches
Maxillary (Inferior alveolar)

A

Enters Mandibular canal
-Gives off dental/alveolar branches to lower posterior teeth

51
Q

External Carotid-Terminal Branches
Maxillary (Inferior alveolar)
MYLOHYOID

A

Floor of mouth & mylohyoid muscle

52
Q

External Carotid-Terminal Branches
Maxillary (Inferior alveolar)
MENTAL

A

Exits mental foramen & supplies tissues of chin & anastomizes with the inferior labial artery

53
Q

External Carotid-Terminal Branches
Maxillary (Inferior alveolar)
INCISIVE

A

Supplies mandibular anterior teeth
*Remains in mandibular canal & divides into:
Dental branches = Pulp tissues
Alveolar branches = Periodontium including gingiva

54
Q

External Carotid-Terminal Branches
Maxillary
POSTEIOR SUPERIOR ALVEOLAR

A

Gives off dental & alveolar branches to maxillary posterior teeth & sinus
*Enters PSA foramina on the max. tuberosity

55
Q

External Carotid-Terminal Branches
Maxillary
INFRAORBITAL

A

*Enters orbit through inferior orbital fissure *Supplies orbital branches
*ASA branches off IO & continues on to have dental/alveolar branches of maxillary anterior teeth

56
Q

External Carotid-Terminal Branches
Maxillary
DESCENDING PALATINE

A

*Branches off in the pterygopalatine canal to give rise to -Greater Palatine (GP) artery (exits GP foramina)
-Lesser Palatine (LP) artery (exits LP foramina)
*Supply hard & soft palate. LP supplies throat. *Travel on to end by becoming the sphenopalatine

57
Q

External Carotid-Terminal Branches
Maxillary
SPHENOPALATINE

A

*Supplies nasal cavity
*Travels through incisive foramen on maxilla

Oral science B (4 decks)

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