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Oral science B > arteries > Flashcards

arteries Flashcards

(57 cards)

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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

Study These Flashcards
A

internal carotid

24
Q

external carotid

Study These Flashcards
A

Arising or branching from the common carotid

25
what does the external carotid supply
extracranial tissues of head & neck including oral cavity
26
external carotid four branches
Anterior (3) Posterior (1) Medial (1) Terminal (2)
27
External Carotid-Anterior Branches
Superior Thyroid Lingual Facial
28
External Carotid-Anterior Branches Superior thyroid
Superior Thyroid - supplies tissue inferior to the hyoid bone Infrahyoid muscles Sternocleidomastoid Muscles of larynx Thyroid gland
29
External Carotid-Anterior Branches lingual
Arises at level of hyoid bone Travels to apex of tongue Supplies tissues superior to the hyoid bone
30
External Carotid-Anterior lingual branches
1.)Sublingual Mylohyoid muscles, sublingual salivary gland & floor of mouth 2.)Dorsal lingual 3.)Deep lingual tongue 4.)Suprahyoid
31
External Carotid-Anterior Branches facial (5) branches
ascending palatine submental inferior labial superior labial angular
32
facial- ascending palatine
soft palate, palatine muscles and tonsils
33
facial- submental
glandular branches, lymph nodes, salivary gland, mylohyoid, digastric muscles
34
facial- inferior labial
lower lips tissue & muscles of facial expression
35
facial- angular
tissues along side of nose
36
medial branch of external carotid- ascending pharyngeal artery
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
External carotid- posterior branches
occipital posterior auricular
38
External carotid- posterior branches occipital
Posterior scalp, meningeal tissues in area, SCM muscle & suprahyoid muscle
39
External carotid- posterior branches posterior auricular
Internal ear & mastoid air cells
40
External Carotid-Terminal Branches
Superficial Temporal (4) Maxillary (10)
41
External Carotid-Terminal Branches superficial temporal
Arises within parotid gland Sometimes visible under skin of temporal region
42
External Carotid-Terminal Branches superficial temporal (4 branches)
transverse facial middle temporal frontal parietal
43
External Carotid-Terminal Branches superficial temporal- transverse facial
parotid gland duct
44
External Carotid-Terminal Branches superficial temporal- middle temporal
temporalis muscle
45
External Carotid-Terminal Branches superficial temporal- frontal
scalp in frontal region
46
External Carotid-Terminal Branches superficial temporal- parietal
scalp in parietal region
47
External Carotid-Terminal Branches Maxillary
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
External Carotid-Terminal Branches Maxillary (10 divisions)
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
External Carotid-Terminal Branches Maxillary (middle meningeal)
Supplies meninges of brain via foramen spinosum; -Skull bones
50
External Carotid-Terminal Branches Maxillary (Inferior alveolar)
Enters Mandibular canal -Gives off dental/alveolar branches to lower posterior teeth
51
External Carotid-Terminal Branches Maxillary (Inferior alveolar) *MYLOHYOID*
Floor of mouth & mylohyoid muscle
52
External Carotid-Terminal Branches Maxillary (Inferior alveolar) *MENTAL*
Exits mental foramen & supplies tissues of chin & anastomizes with the inferior labial artery
53
External Carotid-Terminal Branches Maxillary (Inferior alveolar) *INCISIVE*
Supplies mandibular anterior teeth *Remains in mandibular canal & divides into: Dental branches = Pulp tissues Alveolar branches = Periodontium including gingiva
54
External Carotid-Terminal Branches Maxillary *POSTEIOR SUPERIOR ALVEOLAR*
Gives off dental & alveolar branches to maxillary posterior teeth & sinus *Enters PSA foramina on the max. tuberosity
55
External Carotid-Terminal Branches Maxillary *INFRAORBITAL*
*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
External Carotid-Terminal Branches Maxillary *DESCENDING PALATINE*
*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
External Carotid-Terminal Branches Maxillary *SPHENOPALATINE*
*Supplies nasal cavity *Travels through incisive foramen on maxilla

Oral science B (4 decks)

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