Ch 7 Flashcards

Question

Answer 1

A

Protection
Food gathering or processing
Passage for respiratory flow

Answer 2

A

Chondrocranium- a braincase composed of cartilage rather than bone, as the skull of sharks and of the vertebrate embryo before ossification.
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 o Neurocranium
 o Endochondral ossification
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Splanchnocranium
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 o Visceral arches
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Dermatocranium

  o Dermal elements
  o Intramembranous ossification

Answer 3

A

Intramembranous

o Skull bones
o Mandible
o Dermatocranium

Endochondral

o Most bones
o Splanchnocranium

Answer 4

A

o Gathering of stem cells
o Differentiation
o Calcification
o Trabeculae formation
o Periosteum development

Answer 5

A

Cartilage model
Differentiation
Interstitial growth

o Cell Proliferation

o Length

Appositional growth

o Width

Hypertrophy
Calcification
Perioseteum develops
Osteoblasts deposit bone matrix
Medullary cavity forms
Ossification at epiphysis

Answer 6

A

o Cartilaginous
o Rostrum
o Nasal capsule
o Supraorbital Crest
o Postorbital process
o Antorbital process

Answer 7

A

o Epiphyseal Foramen
o Pineal Gland
o Endolymphatic Fossa
o Perilymphatic Foramina
o Auditory capsule
o Superficial opthalmic foramina

Answer 8

A

o Rostral Carina
o Rostral Fenestrae
o Nasal Capsule
o Nares
o Anterior Orbital Shelf
o Basitrabecular Process
o Entrance for internal carotid arteries
o Basal plates

Answer 9

A

o Otic capsule
o Notochord
o Foramen Magnum
o Foramen for CN X
o Foramen for CN IX
o Occipital Condyles

o Orbit
o Optic foramen
o Optic nerve
o Optic pedicel
o Trigeminofacial foramen

Answer 10

A

o Gill or Branchial Arches
o 1st Arch
o Mandibular Arch
o Upper and Lower Jaw
o Dorsal
* Palatoquadrates
o Ventral
* Meckel’s cartilages
* Labial Cartilage

o 2nd Arch
o Hyoid Arch
* Basihyal
* Ceratohyal

o Gill or Branchial Arches 3-7
o Pharyngobranchial
o Epibranchial
o Ceratobranchial
o Hypobranchial
o Basibranchial

Answer 11

A

o Chondrocranium is present
o Covered by Dermatocranium

Answer 12

A

o Upper Teeth
o Premaxilla
o Maxilla
o Nasal
o Antorbital
o Rostral

Answer 13

A

**Lateral view

o Lacrimal (22)
 o Jugal (21)
 o Postorbital (20)
 o Hyomandibula (17)
 o Quadrate (16)
 o Preopercular
 o Opercular (19)
 o Subopercular (18)

o Branchiostegal
o Gular
o Lower jaw
o Dentary (12)
o Angular (15)
o Surangular (14)

Answer 14

A

**Dorsal view

o (9)
o (10)
o (2)
o (3)

Answer 15

A

o Hyoid Arch
o Hypohyal
o Ceratohyal
o Gill Arches
o Ceratobranchial
o Basibranchial
o Epibranchial

Answer 16

A

prefrontal
frontal
postfrontal
parietal
squamosal
quadratojugal
zygomatic
lacrimal
maxilla
premaxilla
nasal

o Infratemporal fenestrae
o Supratemporal fenestrae
o External Nares
o Premaxilla (10)
o Maxilla (9)
o Nasal (11)
o Frontal (2)
o Parietal (4)
o Postorbital (3)
o Squamosal (5)

o Jugal (7)
o Postorbital Bar
o Lacrimal (8)
o Prefrontal (1)
o Quadrate
o Quadratojugal (6)

Answer 17

A

palatine
quadrate
pterygoid
internal nostril
ectopterygoid
basisphenoid

o Palatine Process of
Premaxilla(10)
o Palatine Process of
maxilla (9)
o Incisive Foramen
o Palatine Process of
Pterygoids (14)
o Post. Palatine Vacuities
o Ectopterygoid (16)
o Internal Nares

Answer 18

A

dentary
splenial
coronoid
surangular
articular
angular

o Dentary (1)
o External mandibular fenestrae
o Mandibular foramen
o Coronoid (3)
o Surangular (4)
o Angular (6)
o Ramus
o Splenial (2)

Answer 19

A

1.Supraoccipital 2. Opistotic 3. Quadrate 4. Prootic 5. Postorbital 6. Squamosal 7. Parietal 8. Postorbital 9.Frontal 10. Prefrontal

o Prefrontal (10)
 o Frontal (9)
 o Parietal (7)
 o Supraoccipital (1)
 o Postorbital (5&8)
 o Squamosal (6)