Term
| How many separate bones are found in the skull? |
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Definition
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Term
| What connects the bones of the skull? Which bone is the exception to this? |
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Definition
Sutures
Mandible / Lower Jaw |
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Term
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Definition
| immovable interlocking joints; strips of fibrous tissue that outline & unite margins of bone |
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Term
| What are joints composed of? |
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Definition
| connective tissue & cartilage |
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Term
| What is the function of the openings in the skull? |
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Definition
| pathways for blood vessels, spinal cord & nerves |
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Term
| What are the two major divisions of the skull? |
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Definition
cranial (cranium/brain case)
facial |
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Term
| What are the functions of the skull? |
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Definition
house & protect the brain
sensory organs
forms passages for respiratory & digestive tracts |
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Term
| What are the external parts of the cranium? |
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Definition
occiptal
parietal
interparietal
temporal
frontal |
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Term
| What are the internal parts of the cranium? |
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Definition
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Term
| What is/are the function(s) of the occiptal bone? |
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Definition
-forms base of skull
-has a hole where spinal cord emerges
-forms joint with the atlas |
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Term
| What joint enables an animal to nod its head? |
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Definition
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Term
| What is the foramen magnum? |
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Definition
| hole in the occiptal bone through which the spinal cord emerges |
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Term
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Definition
| a rounded prominence of bone used for articulation with another bone |
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Term
| What bones are ventral to the parietal bones? |
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Definition
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Term
| What is/are the function(s) of the temporal bones? |
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Definition
-form lateral walls of the cranium
-contain most of the ear structures
-forms joint with the mandible |
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Term
| What joint is formed between the mandible & temporal bones? |
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Definition
| temporomandibular joint (TMJ) |
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Term
| What is the function of the lower temporomandibular joint? |
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Definition
| rotational movement (opening & closing) |
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Term
| What is the function of the upper temporomandibular joint? |
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Definition
| translational movement (sliding lower jaw forward or sideways) |
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Term
| Describe the location of the frontal bones relative to the parietal bones? |
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Definition
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Term
| What bones form the rostrolateral portion of the cranium, and a portion of the orbit? |
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Definition
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Term
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Definition
| bony socket that protects the eye |
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Term
| Where is the horn core found? |
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Definition
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Term
| What bone supports the brain & houses the pituitary? |
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Definition
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Term
| Describe the position of the sphenoid bone relative to the occipital bone |
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Definition
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Term
| Describe the position of the ethmoid bone relative to the sphenoid bone |
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Definition
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Term
| Through which bones do branches of the olfactory nerve pass? |
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Definition
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Term
| What are the most rostral bones of the face? |
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Definition
| incisive / premaxillary bones |
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Term
| Which bones form the bridge of the nose |
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Definition
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Term
| Which bones make up the majority of the upper jaw, and what is their function? |
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Definition
| maxillary bones -house canines & cheek teeth -form hard palate |
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Term
| What bones form the rostral portion of the roof of the mouth? |
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Definition
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Term
| What bones form the caudal portion of the roof of the mouth? |
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Definition
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Term
| What bones for the medial portion of the orbit? |
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Definition
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Term
| What bones join with the temporal bone to form the zygomatic arch? |
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Definition
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Term
| What muscle is found on the zygomatic arch, and is important for chewing? |
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Definition
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Term
| What is the function of the mandible? |
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Definition
| houses all the lower teeth |
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Term
| What is the only moving skull bone? |
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Definition
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Term
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Definition
| the caudal end of the mandible |
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Term
| Why do cattle & sheep have flat mandibular condyles? |
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Definition
| allows for extensive horizontal movement of the lower jaw, important for grinding food |
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Term
| What is the function of turbinates? |
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Definition
warms & humidifies air
traps small particles
role in olfactory senses |
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Term
| What portions of the skeleton make up the axial division? |
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Definition
bones of head & trunk
-skull, vertebral column, sternum, ribs |
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Term
| What portions of the skeleton make up the appendicular division? |
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Definition
| bones of the limbs/appendages |
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Term
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Definition
1. nasal bone
2. fronal bone
3. parietal bone
4. occipital bone
5. mandibular condyle
6. zygomatic arch
7. mandible
8. molar
9. premolars
10. canines
11. incisors
12. premaxilla
13. maxillar |
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Term
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Definition
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Term
| What are the two basic types of tooth in farm animals, and how can you tell them apart? |
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Definition
Selenodont - crescent shaped ridges
Bunodont - rounded enamel-covered tubercles |
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Term
| What are the 3 materials teeth are composed of? |
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Definition
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Term
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Definition
| softer tooth material filling the center of bunodont tooth |
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Term
| Is dentine found in selenodont or bunodont teeth? |
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Definition
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Term
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Definition
| the root of bunodont teeth, continues up selenodont |
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