Anatomy 604
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220 questions
| 🇬🇧 | 🇬🇧 |
| Basisphenoid bone and Presphenoid bone | What two bones make up the sphenoid complex? |
| Mandibular symphysis | In some species, the mandible is an unpaired bone because it is fused at this location: |
| Occipital bone, temporal bone, parietal bone, and frontal bone | What are the four cranial PAIRED cranial bones? |
| Occipital bone, interparietal bone, basisphenoid bone, presphenoid bone, and ethmoid bone | What are the five UNPAIRED cranial bones? |
| Nasal bone, lacrimal bone, maxilla bone, incisive bone, palatine bone, zygomatic bone, and pterygoid bone | What are the 7 paired facial bones? |
| Vomer bone | Name the unpaired facial bone of the skull |
| Incisive bone | Name bone #1 |
| Nasal bone | Name bone #2 |
| Maxillary bone | Name bone #3 |
| Zygomatic bone (cut) | Name bone #4 |
| Lacrimal bone | Name bone #5 |
| Frontal bone | Name bone #6 |
| Parietal bone | Name bone #7 |
| Occipital bone | Name bone #8 |
| Temporal bone | Name bone #9 |
| Sphenoid complex | Name bone #10 |
| Pterygoid | Name bone #11 |
| Palatine bone | Name bone #12 |
| From rostral to caudal: Squamous part, tympanic bulla, and petrous part | Name the three parts that make up the temporal bone. |
| Nuchal crest | What is the name given to the most dorsal edge of the occipital bone? |
| Temporal process of zygomatic bone and the zygomatic process of the temporal bone | What two processes make up the zygomatic arch? |
| Ethmoid foramen, optic canal, orbital foramen, rostral alar foramen, round foramen, caudal alar foramen | The pterygopalatine fossa contains 6 foramen, name them from rostral to caudal. |
| Round foramen | Which foramina communicates to the alar canal from inside of the skull? |
| Oval foramen | Which foramen is caudal to the alar canal? |
| Fossa for the lacrimal sac | Name the foramina at the most rostral aspect of the pterygopalatine fossa. |
| Infraorbital foramen and maxillary foramen | Name the two foramen that demarcates the infraorbital canal. |
| True | True or False: the hypoglossal canal, jugular foramen, foramen lacerum, and oval notch communicate with one another in the horse skull. |
| Foramen orbitorotundum | In the bovine, the orbital foramen and round foramen fuse to form the: |
| Infraorbital nerve | Which nerve passes through the maxillary foramen? |
| Optic nerve | Which nerve passes through the optic canal? |
| Oculomotor nerve, trochlear nerve, ophthalmic nerve, abducent nerve | Name the four nerves that pass through the orbital fissure/foramen. |
| Maxillary nerve and maxillary artery | Name the artery and the nerve that pass through the rostral alar foramen. |
| Mandibular nerve | Name the nerve that passes through the oval foramen. |
| Facial nerve (cranial nerve VII) | Name the nerve that passes through stylomastoid foramen. |
| Hypsoglossal nerve | Which nerve passes through the hypsoglossal canal? |
| Mental nerve | Which nerve passes through the mental foramen? |
| Mandibular canal | The mental foramina and mandibular fossa form which canal? |
| 4- two one each side | How many mental foramina do dogs have? |
| Condylar processes of the mandible | Which process on the mandible articulates with the mandibular fossa? |
| Tympanohyoid cartilage | Name structure #1 of the hyoid apparatus. |
| Stylohyoid bone | Name bone #2 of the hyoid apparatus. |
| Epihyoid | Name bone #3 of the hyoid apparatus. |
| Ceratohyoid bone | Name bone #4 of the hyoid apparatus. |
| Basihyoid bone | Name the unpaired bone of the hyoid apparatus. |
| Thyrohyoid bone | Which bone of the hyoid apparatus is directed caudally in all species? |
| The lingual process of the basihyoid bone | The hyoid process of the large animals has an additional process coming off of the basihyoid bone. What is this process called? |
| The nasal cavity | The vomer bone is located inside of which cavity? |
| The orbital ligament | Carnivores do not have complete eye socket. What structure completes the orbital margin? |
| Temporomandibular joint | The mandible articulates with the temporal bone of the skull at which site? |
| Enamel | The crown of the brachydont tooth is covered by what? |
| Cementum | The root of the brachydont tooth is covered by what? |
| Brachydont | Which type of tooth, brachydont or hypsodont, has a neck? |
| Dentin | What part of the tooth makes up a majority of the brachydont tooth and surrounds the pulp cavity? |
| Cementum | What covers the entire hypsodont tooth? |
| Diastema | The gap between incisors and cheek teeth is known as the.. |
| Labial and buccal | The vestibular surface of the tooth can be known as ___ for front teeth, and ____ for cheek teeth. |
| Lingual and palatine | The inner surface of the teeth can be either ____ for bottom teeth, and ____ for top teeth. |
| The pig | Which domestic animal is the only mammal with a complete dental compliment? |
| False | True or False: molar teeth are present in the deciduous dental formula. |
| Upper P4 and Lower M1 | Which two teeth in the canine mouth are carnassial teeth? |
| Ruminants | Which group of animals is missing the first premolar? |
| Brachydont, hypsodont | The incisor and canine teeth of the cow are _____ while the cheek teeth are _____. |
| 1.5-2 years | At what age would you expect to see I1 in the ruminant? |
| 2-2.5 years | At what age would you expect to see I2 in the ruminant? |
| 3-3.5 years | At what age would you expect to see I3 in the ruminant? |
| Between 3.5 and 4 years old | A young ruminant has incisors 1,2,3, and erupted incisor 4. How would you age this cow? |
| 9 years | The incisors in a ruminant mouth should be level and worn by what age? |
| A wolf tooth | The presence of P1 in the horse is known as.. |
| A cap | The remnant of a deciduous tooth blocking the way of a permanent one is known as...? |
| Hypsodont | All of the permanent teeth of a horse are (brachydont or hypsodont) |
| 6 days | The first deciduous tooth in a horse erupts by what age? |
| 6 weeks | The second deciduous tooth erupts in a foal by what age? |
| 6 months | The third deciduous incisors are present in the foal at what age? |
| 2.5 years old | Permanent I1 in the foal erupts at what age? |
| Approx. 6 months | From the point of eruption to full size, how long does it take for a tooth to grow in the horse? |
| 3.5 years old | At what age might you expect a foal to have a permanent incisor 2? |
| 4.5 years of age | At what age might you expect a foal to have incisor 3 present? |
| 5 years old | At this age, all three incisors have erupted, are level, and have cups |
| 15 years old | A horse has Galvayne's groove present to midway down the length of the tooth. How old is this horse? |
| At least 15 years old | You are looking into a horses mouth and see a dental star. How old is this horse? |
| Older than 5 years but younger than 14. | The infundibulum of a horse's tooth has regressed to Cup is Gone. There is no evidence of a dental star. How old is this horse? |
| 7 years old | The upper corner incisor of a horse has a hook in it. How old is this horse? |
| Upper P4 | This tooth is a common place for abscess in cats and can cause various health issues. |
| Tympano-occipital fissure | Name the oblong opening between the occipital bone and tympanic part of the temporal bone. |
| Glossopharngeal (IX), vagus (X), and accessory nerve (XI) | Which 3 nerves pass from the jugular foramen through the tympano-occipital fissure? |
| True | True or False: Large animals do not have a tympano-occipital fissure. |
| False | True or False: Large animals do not have a jugular foramen. |
| Ruminants | Which group of animals does NOT have an interparietal bone? |
| Os rostrale | The nasal cavity of the pig contains an extra bone called the... |
| Nasal diverticulum or false nostril | The blind ended dorsal compartment of the nasal cavity in the horse is known as the... |
| Choanae | Name the caudal opening of the nasal cavity. |
| Ethmoid bone | This skull bone contributes to the osseus part of the nasal septum in the canine. |
| Vomer bone | This unpaired bone in the skull supports the nasal septum ventrally. |
| Nasal vestibule | When looking at the nostrils externally, the part this is visible is known as the...? |
| Conchae | These are scrolls of thin bones projecting from the wall of the nasal cavity and increase turbulance of air flow. |
| Dorsal nasal meatus | Name #1 in the canine nasal cavity. |
| Dorsal nasal concha | Name #2 in the canine nasal cavity. |
| Middle nasal meatus | Name #3 in the canine nasal cavity. |
| Common nasal meatus | Name #4 in the canine nasal cavity. |
| Ventral nasal meatus | Name #5 in the canine nasal cavity. |