Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Veterinary Anatomy III > THRA.2 > Flashcards

THRA.2 Flashcards

1
Q

Give the main components of the topic: “Bones of the Lateral and Dorsal Side of the Neurocranium”

A
  1. Os temporale
  2. Os frontale
  3. Os parietale
  4. Os interparietale
  5. Os ethmoidale
  6. Os occipitale
  7. Os zygomaticum
  8. Os pterygoideum
  9. Os palatinum
  10. Os lacrimalis

(FITZ POPPLE)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Give the main constituents of os temporale​

A
  1. Pars squamosa
  2. Pars petrosa
  3. Pars tympanica
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Give the components of os temporale pars squamosa

A
  1. Crista temporalis
  2. Linea temporalis
  3. Sinus frontalis caudalis
  4. Processus nuchalis (Su)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sinus frontalis caudalis

A

Excavates os temporale in Ru/Su

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Processus nuchalis

A

Su Only

Attachment point of the the stylohyoid bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Give the components of os temporale pars petrosa

A
  1. Crista partis petrosae (Eq/Ca)
  2. Fissura petrooccipitalis
  3. Foramen Stylomastoideum
  4. Processus styloideus (ØCa)
  5. Porus acusticus internus
  6. Meatus acusticus internus
  7. Apertura externa aqueductus vestibuli
  8. Apertura externa canaliculi cochleae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  • Crista partis petrosae*
  • Fissura petrooccipitalis*
A

Junction of the petrous and occipital bones

Conducts greater petrosal nerve and the chorda tympani

(Both ex CN-VII)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Foramen stylomastoideum

A

Between processus styloideus and processus mastoideus

Conducts the facial nerve (CN-VII) through canalis facialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Processus styloideus

A

Rostroventral to the porus acusticus externus

Attachment of the stylohyoid bone in Eq/Ru

(Attachment in Ca is the processus mastoideus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Porus acusticus internus et meatus acusticus internus

A
  • Area nervi facialis* (CN-VII) (RostDors)
  • Area cochleae* (ex CN-VIII) (RostVent)
  • Foramen vestibulare dorsale* (ex CN-VIII) (CaudDors)
  • Foramen vestibular ventrale* (exCN-VIII (Caud Vent)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Incisura semilunaris

A

Aka fovea ganglii nervi trigemini

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Apertura externa aqueductis vestibuli

A

Dorsal slit on pars petrosa

Communication of the vestibular apparatus with the middle ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Apertura externa canaliculi cochleae

A

Caudoventral slit on pars petrosa

Communication of the cochlea with the middle ear

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Give the components of os temporale pars tympanica

A
  1. Porus acusticus externus
  2. Meatus acusticus externus
  3. Bulla tympanica
  4. Processus muscularis
  5. Fissura petrotympanica
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which structure(s) seperate pars tympanica from pars petrosa?

A
  1. Bulla tympanica
  2. Processus muscularis
  3. Fissura petrotympanica
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Give the components of Os frontale

A
  1. Crista sagittalis externa
  2. Processus tentoricus
  3. Processus cornualis (Bo Only)
  4. Foramen supraorbitale (ØCa)
  5. Sinus frontalis
  6. Foramen ethmoidale
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Foramen supraorbitale

A

ØCa

Becomes canalis supraorbitalis (Ru/Su)

Frontal artery, vein and nerve (ex CN-V1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Sinus frontalis

A

Seperated by septum sagittalis into left and right sinuses

Single in Eq

Divided in Ca/Ru/Su

19
Q

Foramen ethmoidale

A

Foramina in Ru

In equine, also includes the ethmoid bone

External ethmoidal artery

Ethmoidal vein and nerve (ex CN-V1)

20
Q

Give the component(s) of os parietale et os interparietale

A

Crista sagittalis externa et processus tentoricus

21
Q

Which species is os parietale et os interparietale not fused?

A

Fe

22
Q

Give the component(s) of os ethmoidale

A
  • Crista sagittalis interna*
  • Lamina perpendicularis*
23
Q

Give the main component(s) of os occipitale

A
  1. Pars squamosa et Partes laterales
  2. Facies nuchalis
24
Q

Give the component(s) of os occipitale pars squamosa et partes laterales

A
  1. Protuberentia occipitalis interna
  2. Sinus frontalis caudalis
  3. Impressiones vermales
  4. Sulci sinus transversi
25
Q

Sinus frontalis caudalis

A

Excavates the occipital bone in Ru/Su

26
Q

Give the component(s) of facies nuchalis ossis ocipitalis

A
  1. Protuberentia occipitalis externa​
  2. Crista nuchae
  3. Foramen mastoideum (ØSu)
27
Q

Protuberentia occipitalis externa

A

Attachment of ligamentum nuchae

Crista occipitalis externa runs ventrally from here to foramen magnum

28
Q

Crista nuchae

A

Becomes the linea nuchae (Ru only)

29
Q

Foramen mastoideum

A

ØSu

Mastoid emissary vein

Small meningeal branch of the occipital artery

30
Q

Give the main component(s) of os lacrimale

A

Bulla lacrimalis (Ru)

31
Q

Bulla lacrimalis

A

Ru Only

Ventral to the orbit, Connects to sinus maxillaris

32
Q

Give the key structure(s) of the topic: “Bones of the Lateral and Dorsal Side of the Neurocranium”

A
  1. Calvaria
  2. Arcus zygomaticus
  3. Orbita
  4. Meatus temporalis
  5. Fossa pterygopalatina
  6. Fossa temporalis
33
Q

Calvaria

A

Composed of Occipital, parietal, interparietal and frontal bones

Posesses impressiones digitatae

Ca/Eq:​ Tentorium cerebelli osseum

34
Q

Tentorium cerebelli osseum

A

Eq/Ca

Seperates cerebrum from cerebellum dorsally

Composed of processi tentorici of the parietal, interparietal and occipital bones

35
Q

Arcus Zygomaticus

A

Composition:

  • Os temporale pars squamosa: Processus zygomaticus*
  • Os frontale: Processus zygomaticus*
  • Os zygomaticum: Processus temporale:*
  • (+Processus frontale* in Ru/Ca/Su)

Orbital ligament attachment in Ca/Su

36
Q

In equine, the os temporalis processus zygomaticus directly joins the…

A

Os temporale pars squamosa processus zygomaticus

37
Q

Give the structure(s) found on orbita

A
  1. Fossa sacci lacrimalis
  2. Fossa glandulae lacrimalis (Eq/Ru)
  3. Fossa musculi obliqui ventralis
  4. Fovea throchlearis
38
Q

Meatus temporalis

A

Between pars petrosa and pars squamosa of os temporale

Travels from foramen retroarticulare → External jugular vein

39
Q

Fossa pterygopalatina

A

Caudoventral to the Orbit

Contains:

  • Foramen palatinum caudale
  • Foramen maxillaris
  • Foramen sphenopalatinum

(Vent → Dors)

40
Q

Foramen palatinum caudale

A

A./v. palatina major →

Palatine Plexus + nervi palatina major (ex CN-V2)

41
Q

Foramen maxillaris

A

A./V. maxillaris

via canalis infraorbitalis

nervi infraorbitalis (ex CN-V2)

42
Q

Foramen sphenopalatinum

A

Located medially in Eq/Ru

A./V. sphenopalatina + nervi nasalis caudalis (ex CN-V2) → Nasal Cavity

43
Q

Fossa temporalis

A

Section of lamina externa, bordered by:

  • linea temporalis* (Rostrally)
  • Crista temporalis* (Ventrolaterally)
  • Crista sagittalis externa* (Median Plane)
  • Crista nuchae* (Caudally)

Veterinary Anatomy III (124 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions