Blood Supply 1 Flashcards
(94 cards)
1
Q
It enters the orbit through the optic canal with the optic nerve
A
Opthalmic artery
2
Q
Common carotipd artery divides into
A
External carotid artery
Internal carotid artery
3
Q
Carotid sheath wt vagus and internal jugular vein
A
Common carotid artery
4
Q
Supplies structures in the neck, face, scalp, tongue and maxilla
A
External carotid artery
5
Q
Terminates at the substance of parotid gland behind the neck of the mandible
A
External carotid artery
6
Q
Lies in the carotid triangle
A
External carotid artery
7
Q
Medial to the internal carotid artery then crosses the post belly of the digastric and stylohyoid
A
External carotid artery
8
Q
The external carotid artery is ——— to the internal carotid artery
A
Medial
9
Q
The external carotid artery crosses what structures?
A
The post belly of the digastric and the stylohyoid
10
Q
Branches
SALFOPSM
A
Superior thyroid artery Ascending pharyngeal artery Lingual artery Facial artery Occipital artery Post auricular artery Superficial temporal artery Maxillary artery
11
Q
Upper pole of the thyroid gland
A
Superior thyroid artery
12
Q
Branches of the superior thyroid artery
A
- To the sternocleidomastoid
2. Superior laryngeal artery
13
Q
Pharynx
A
Ascending pharyngeal artery
14
Q
Tongue
A
Lingual artery
15
Q
Face
A
Facial artery
16
Q
Found at the back of the scalp
A
Occipital artery
17
Q
The occipital artery is accompanied by
A
The greater occipital nerve
18
Q
Auris = ear
Behind the ear
A
Post auricular artery
19
Q
Supplies the skin over the temporal and frontal regions of the scalp
A
Superfical temporal artery
20
Q
The internal maxillary artery branches in the infratemporal fossa
A
- Inferior alveolar artery
- Middle meningeal artery
- External auditory meatus & tympanic membrane
- Small branches to mastication muscles
21
Q
Branches of the internal maxillary artery in the pterygopalatine fossa
A
Accompanies branches of maxillary nerve
- meningeal
- ganglionic
- post superior alveolar
- zygomatic
- middle sup alveolar
- ant superior alveolar
22
Q
Supplies the brain, eyes, forehead, and part of the nose
A
Internal carotid artery
23
Q
Lies in carotid sheath; no branches in the neck
A
Internal carotid artery
24
Q
Receives blood from the brain, face and neck
A
Internal jugular vein
25
Begins at the jugular foramen as a continuation of sigmoid sinus
Internal jugular vein
26
The internal jugular vein begins at the ------------- as a continuation of the -------------
Jugular foramen, sigmoid sinus
27
Unites with subclavian vein behind the medial border of clavicle
Internal jugular vein
28
Has a superior and inferior bulb
Internal jugular vein
29
A branch of the internal carotid artery after that vessel emerges from the cavernous sinus
Opthlamic artery
31
Tributaries of the IJV
```
Inferior petrosal sinus
Facial vein
Pharyngeal sinus
Sup thyroid vein
Middle thyroid vein
Occipital vein (post auricular/ vertebral vein)
```
32
Joins the IJV at the sup bulb; assists in draining the cavernous sinus
Inferior petrosal sinus
33
Joins the ant division of the retromandibular vein
Facial vein
34
Pharyngeal venous plexus
Pharyngeal veins
35
Tributaries of the Internal Jugular Vein
```
Inferior Petrosal Sinus
Facial Vein
Pharyngeal Vein
Superior Thyroid Vein
Middle Thyroid Vein
Occipital Vein
```
36
Tibutaries of the External Jugular Vein
```
Post Auricular
Post Division of Retromandibular
Post Ext Jug
Transverse Cervical
Suprascapular
Ant Jug
```
37
Branches of the subclavian artery (1st part)
```
Vertebral A.
Thyrocervical Trunk
- inf thyroid a.
- transverse cervical a.
- suprascapular
Internal Thoracic A.
```
38
The subclavian artery is divided into 3 parts by what muscle?
Scalene anterior
39
Branches of the subclavian artery (2nd part)
Costocervical trunk
- deep cervical a.
- supreme intercostal a.
40
Branches of the subclavian artery (3rd part)
Dorsal scapular
41
Upper margin of subclavian artery
Vertebral artery
42
Enters the foramen magnum
Vertebral artery
43
The vertebral artery enters the foramen of the transverse process of the ___________ vertebra.
Upper 6 vertebra
44
Joins together to form th basilar artery
Vertebral artery
45
Cranial branches of the Vertebral artery
Meningeal arteries
Ant & post spinal arteries
PICA
Medullary arteries
46
Branches of the thyrocervical trunk
Inf thyroid a.
Superficial cervial artery/ transverse cervical
Suprascapular a.
47
Located in front of the first part of the subclavian artery
Thyrocervical trunk
48
Located at the lower border of the first part of the subclavian artery; enters the thorax by descending the first costal cartilage
Internal thoracic a.
49
Branches of the Costocervical trunk
Sup ( & post) intercostal artery/ies
| Deep cervical artery (back and neck)
50
Venous drainage of the scalp wil be via the ___________
Vena comitantes
51
Arterial supply of the Scalp
Supratrochlear/orbital ( branches of the ophth a.)
Superficial temporal a.
Post auricular artery
Occipital artery
52
Veins of th scalp are connected to the _______________ of the skull & ______________________ via the ________________________.
Diploic veins of the skull
Intracranial venous sinuses
Valveless emissary veins
53
Venous drainage of the scalp
Supratrochlear/ orbital v.
Superficial temporal v.
Post auricular v.
Occipital v.
54
Unites at the medial margin of to form the facial vein
Supratrocholear & supraorbital veins
55
The superfical temporal vein unites with the maxillary vein to form ______?
The retromandibular vein
56
Unites with the post division of retromandibular to form the EJV
Post auricular vein
57
Drains in the suboccipital venous plexus
Occipital vein
58
Arterial supply of the face
Facial artery
- submental artery
- inf labial artery
- sup labial artery
- lateral nasal artery
59
Branches of the facial artery
Submental artery
Inf labial artery
Sup labial artery
Lateral nasal artery
60
Located in the skin of the chin and lower lip
Submental artery
61
Locatd in the superior lip and septum and ala of the nose
Sup labial artery
62
Located in the skin on the dorsum of the side of the nose
Lateral nasal artery
63
Arteries to the brain
Caroticotympanic artery
| Ophthalmic artery
64
Segments of the internal carotid artery
```
Cervical segment. C1
Petrous segment. C2
Lacerum segment. C3
Cavernous segment. C4
Clinoid segment. C5
Opthalmic/ supraclinoid segment. C6
Communicating/ terminal segment. C7
```
65
This segment comprises the cervical portion
C1
| Cervical segment
66
Comprises the petrous portion
C2 & C3
| Petrous, lacerum segment
67
Cavernous portion
C4
68
Segment not identified in some earlier classifications; lies bet the cavernous portion and th cerebral or supraclinoid portion
Clinoid segment
| C5
69
Comprise the cerebral/ supraclinoid portion
C6 & C7
Opthalmic/ supraclinoid segment
Communicating/ terminal segment
70
Usually the largest vein in the neck
IJV
71
The course of the IJV corresponds to a line drawn from a point immediately inf to the ________________ to the medial end of the _________.
External acoustic meatus
| Clavicle
72
Where does the IJV commence?
At the jugular foramen in the post cranial fossa, as the direct cont of th sigmoid sinus
73
The dilation at the origin of the IJV is called....
The superior bulb of the IJV
74
The its superioir bulb the IJV runs inferiorly in the neck in the ________.
Carotid sheath
75
The IJV leavs the ant triangle of the neck by passing deep to the _____________.
SCM muscle
76
Post to the sternal end of the clavicle, the IJV unites with the _____________ to form the ______________.
Subclavian vein
| Brachiocephalic vein
77
Carotid sheath
Common carotid
Vagus nerve
Deep cervical lymph nodes
78
Danger zone/ triangle
Internal carotid artery
79
Supplies the structures of the head and neck
Ext carotid artery
80
Supplies the brain
Internal carotid artery
81
Seen in hypertensives; transient blindness; nawawalan ng caliber yung arteries = low blood supply
Amaurosis fugax
82
Stab wounds in the neck might cause
Embolism
83
Decempression sickness
Caissons disease
84
Other arterial supply of the face
Superfical temporal artery - scalp
Transverse facial artery - branch of the superficial temp; cheeks
Supraorb/troch - in the skin of the forehead
85
Artery most commonly damaged in head injuries
Middle meningeal artery
86
Results from injuries to the meningeal arteries or veins
Extradural hemorrhage
87
Most common artery damaged in extradural hemorrhage
Ant division of the middle meningeal artery
88
Results from tearing of the superior cerebral veins at their point of entrance into the superior sagittal sinus
Subdural hemorrhage
89
Minor blow to the side of the head, resulting in fracture of the skull in the region of the anteroinf portion of the parietal bone
Extradural hge
90
Usu a blow on the front or back of the head, causing excessive anteropost disp of the brain in the skull
Subdural hge
91
Results from leakage or rupture of a congenital aneurysm on the circle of willis, or from an angioma
Subarachnoid hge
92
Diagnosis of subarachnoid hge
Wtdrawing heavily blood stained CSF thru a lumbar puncture
93
Generally caused by rupture of the thin walled lenticulostriate artery, a branch of the middle cerebral artery
Cerebral hemorrhage
98
The IJV unites with the _________ behind the ___________________.
Subclavian vein,
| Medial border of the clavicle
122
Enters the skull through the foramen spinosum
Middle meningeal artery
