B5 - Blood supply of the head Flashcards
1
Q
Draw the arterial blood supply (eq)
A
2
Q
Draw the arterial blood supply (ca)
A
3
Q
Arteries
Interspecies differences
A
-
A. carotis communis
- Arises from tr. bicaroticus (ø ca)
- A. carotis communis sinistra: runs along laterally to esophagus
- Dextra: crosses trachea
- Closely related to: cervical tr. vagosympatheticus, n. laryngeus recurens, tr. trachealis, v. jugularis
- Ru: → rr. sternocleidomastoidei
-
A. thyroidea caudalis
- Sus: thyrocervical trunk → w?? cervicalis superficialis
- Eq, ru: By gl. thyroidea
-
A. thyroidea cranialis
- Ca: → rr. sternocleidmastoideum (first branch)
- → r. pharyngeus
- → r. cricothyroideus
- → r. laryngeus caudalis
- Eq:
- → a. pharyngea ascendens
- → a. laryngea cranialis
-
A. laryngea cranialis
- Arises from:
- Ru, sus: a. carotis communis
- Eq: a. thyroidea cranialis
- Ca: a. carotis externa
- Arises from:
-
A. pharyngea ascendens
-
Arises from:
- Ru: a. carotis communis
- Eq: a. thyroidea cranialis
- Ca: a. carotis externa
- Sus: a. lingualis
-
Arises from:
4
Q
Draw a. occipitalis
A
5
Q
Draw a. lingualis
A
6
Q
Draw a. maxillaris
A
7
Q
Draw the veonus blood supply (dog)
A
8
Q
Draw v. linguofacialis
- Dog
- Horse
A
9
Q
Veins
Interspecies differences
A
- Arcus hyoideus (ø eq)
-
V. facialis
- V. submentalis (ø eq)
-
V. maxillaris
- Eq: r. sublingualis
- Sus: v. palatinia descendens
- Horse:
-
Sinus buccalis
- V. maxillaris → v. buccalis
-
Sinus venae transversus faciei
- V. transversus faciei → v. temporalis superficialis
-
Sinus venae profunca
- V. facialis → v. palatinus descendens
-
Sinus buccalis
10
Q
Plexus opthamicus
A
- Drains into sinus cavernosus and tributaries of the v. facialis
- Location: within the preorbita
-
Made up by:
- V. opthalmichi externa dorsalis
- V. opthalmichi externa ventralis
-
Made up by:
11
Q
Draw arcus hyoideus
A
Ø eq ??
