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52 Cards in this Set
- Front
- Back
ID these bones of the horse skull
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A - Incisive
B - Nasal C - Lacrimal D - Frontal E - Parietal |
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ID these ox skull bones
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A - Incisive
B - Nasal C - Lacrimal D - Frontal E - Parietal |
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ID these horse skull parts
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A - Maxillary
B - Zygomatic C - Palatine D - Temporal (squameous part) |
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ID these horse skull parts
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A - Maxillary
B - Zygomatic C - Palatine D - Temporal (squameous part) |
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ID these ox skull parts
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A - Maxillary
B - Zygomatic C - Palatine D - Temporal (squameous part) |
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ID these horse skull parts
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A - Sphenoid
B - Temporal (petrous part) C - Occipital D - Mandible |
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ID these ox bones
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A - Sphenoid
B - Temporal (petrous part) C - Occipital D - Mandible |
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ID these bumps, holes, and ridges
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A - Nuchal crest (horse); Nuchal line (ruminant)
B - External occipital protuberance C - Foramen magnum D - Paracondylar (Jugular) Process |
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Which animal is this skull from? ID the structures.
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Horse
A - Occipital condyle B - Hypoglossal foramen C - Paracondylar (Jugular) process D - Jugular foramen E - Muscular process |
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What is this animal?
ID the rest... |
Horse (dead)
A - Frontal bone B - Zygomatic process of the frontal bone C - Temporal line D - Temporal fossa of temporal bone E - Supraorbital foramen |
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Which animal? ID the rest...
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Horse!
A - Ethmoid foramen B - Small alar foramen C - Orbital fissure D - Optic canal E - Foramen rotundum and rostral alar foramen |
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What animal?
ID the parts... |
Ox
A - Temporal line B - Intercornual protuberance C - Cornual process D - Supraorbital groove (sulcus) E - Supraorbital foramen (foramina) |
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Which animal? ID the rest..
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OX
A - Zygomatic process of the frontal bone B - Retroarticular process C - Oval foramen D - Pterygoid process E - Pterygoid hamulus |
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Match the following regions with the correct part of the temporal bone (squamous, tympanic, or petrosal):
Mandibular fossa Tympanic bulla External acoustic meatus Zygomatic process of the temporal bone |
Mandibular fossa - squamous
Tympanic bulla - tympanic External acoustic meatus - tympanic Zygomatic process of the temporal bone - squamous |
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Match the following regions with the correct part of the temporal bone (squamous, tympanic, or petrosal):
Retroarticular process Styloid process Mastoid process |
Retroarticular process - Squamous
Styloid process - Petrosal Mastoid process - Petrosal |
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Match the following regions with the correct part of the temporal bone (squamous, tympanic, or petrosal):
Retroarticular foramen Muscular process Stylomastoid foramen |
Retroarticular foramen - Squamous
Muscular process - Tympanic Stylomastoid foramen - Petrosal |
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Which animal? ID the parts...
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Ox
A - Temporal fossa B - Parietal bone C - Temporal crest D - Squamous part of temporal bone |
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ID these.
To which bone(s) does each structure attach? |
A - Mandibular fossa
B - Retroarticular process C - Retroarticular foramen D - Zygomatic process of temporal bone All from squamous part of temporal bone |
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ID these structures. Which bone(s) are they located upon?
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All upon the tympanic temporal bone
A - External acoustic meatus B - Tympanic bulla C - Muscular process |
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ID these structures. To which bone(s) does each attach?
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Petrosal temporal bone
A - Styloid process B - Mastoid process C - Stylomastoid foramen |
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ID this structure.
What comes into/out of this? |
Foramen lacerum
CN IX, X, and XI Sympathetic trunk Internal carotid a. |
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What bone are A and B part of? What is A a continuation of?
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A - Christa galli (continuation of perpendicular bone)
B - Cribiform plate (w/foramina) A + B = Ethmoid bone C - Foramen lacerum |
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ID
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A - Infraorbital foramen
B - Facial crest C - Nasal bone D - Lacrimal bone E - Diastema |
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Which animal? ID the structures...
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Sheep
A - Nasal process of nasal bone B - Nasoincisive notch C - Facial tuberosity D - External lacrimal fossa |
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ID these thingys
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A - Hard palate
B - Horizontal process of palatine bone C - Palatine process of maxillary bone D - Palatine process of nasal bone |
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ID these holes
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A - Fossa for lacrimal sac
B - Maxillary foramen C - Sphenopalatine foramen D - Caudal palatine foramen |
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Which animal? ID the parts...
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Goat!
A - Tympano-occipital fissure B - Sphenopalatine foramen C - Lacrimal bulla D - Major palatine foramen E - Facial tubercle F - |
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What are the parts of the palatine bone?
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Perpendicular and horizontal parts
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What are the parts of the sphenoid bone?
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Basisphenoid
Presphenoid |
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T or F:
The ethmoid foramen is the only foramina of the pterygopalatine fossa not located in the sphenoid bone. |
True!
It is actually in the frontal bone. |
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ID these holes
Which are unique to the horse? |
A - Sphenopalatine foramen
B - Ethmoid foramen C - Caudal alar foramen (horse) D - Oval notch (horse) E - Foramen lacerum (horse) |
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ID these
Which are unique to the ruminants (vs. horse)? |
A - Oval foramen (ruminants)
B - Vomer C - Major palatine foramen D - Palatine fissure E - Dental pad (ruminants) |
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All of these are pointing to holes (except for C):
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A - Ethmoid foramen
B - Optic canal C - Pterygoid crest D - Oval foramen E - Foramen orbitorotundum |
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What exits the foramen orbitorotundum?
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Oculomotor, trochlear, and abducens nn.
Opthalmic and maxillary divisions of trigeminal n. |
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Which has a frontal process of the zygomatic bone? Horse, cow, or both?
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Cow
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Which has a zygomatic process of the frontal bone? Horse, cow, or both?
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Both
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ID
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A - Mandibular foramen
B - Coronoid process C - Condylar process D - Mandibular notch E - Masseteric fossa (Ramus of the mandible) |
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ID
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A - Mandibular incisors (in mandibular alveoli)
B - Mental foramen C - Mandibular symphysis |
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What ligaments reinforce the TMJ capsule in the horse? In ruminants?
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Lateral and caudal ligaments in horse
Only lateral in ruminants |
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Where does the hyoid apparatus articulate in large animals? Which has a smaller epihyoid bone (horese or cow)?
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Articulates at the styloid process (via tympanohyoid cartilage)
Horse has the smaller epihyoid |
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What do large animals have on their basihyoid that dogs don't?
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Lingual process
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How does the equid hyoid articulate with the thyroid cartilage?
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Thyrohyoid articulates w/rostral cornu
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Which has more thoracic vertebrae, the horse or the ox?
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Horse! T18 vs. T13
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How many sacral segments in the horse? In the ox?
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5 in each
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Which has the longer tail, the horse or the ox?
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Horse Ca 15-21
Ox Ca 18 - 20 Might be either... |
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ID the holes.
Which vertebrae are these and from which animals? |
Atlas. Horse on L and ox on R.
A - Alar foramen B - Transverse foramen C - Lateral vertebral foramen |
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How are the atlas wings oriented in the horse and ox?
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Project ventrolaterally and caudally
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Which vertebrae are these? Which is horse and which is ox?
ID the parts |
Axis
Horse on the right; ox on left A - spinous process B - Transverse foramen |
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How do the vertebrae from C3 - C6 in the horse differ from those in the ox?
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Ox has larger spinous processes.
Ox has more prominent ventral crest. |
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How many joint capsules in the equid atlanto-occipital joint? Do they communicate?
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2
Usually don't communicate unless old animal |
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T or F:
The atlanto-axial joint does not communicate with the atlanto-occipital joint. |
True!
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What are the landmarks for equid cerebromedullary cistern?
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Wings of atlas
Spinous process of atlas External occipital protuberance |
