Large Animal - Attachmnts/Contacts/Artiulations on the Skull Flashcards
Temporal fossa
Temporalis M. -The other attachment of the temporalis M. is the coronoid process of the ramus of the mandible
Zygomatic arch
Masseter M., Zygomaticoscutularis M., Zygomaticoauricularis M. -The zygomatic arch consists of the zygomatic process of the squamous part of the temporal bone and the temporal part of the zygomatic bon
Occipital condyle
Articulates with the cranial articular fovea of the atlas -The atlantooccipital joint is a synovial joint
Paracondylar (jugular) process
- Caudal belly of digastricus M., including occiptomandibular part (eq) 2. Rectus capitis lateralis M. 3. Occipithyoideus M. 4. Obliquus capitis cranialis M.
Where is the other attachment of the occipitomandibular part of the caudal belly of the digastricus M. besides the paracondylar process?
Caudal border of the ramus of the mandible
Where does the rostral belly of the digastricus M. attach?
to the medial edge of the ventral border of the body of the mandible
Muscular tubercle
- Rectus capitis ventralis M. 2. Longus capitis M. 3. Cleidomastoideus M. (bo) 4. Sternomastoideus M. (bo) **muscular tubercles are located on the ventral surface of the skull at the junction of the occipital and basisphenoid bones**
External occipital protuberance
Funiculus nuchae of the nuchal ligament **the word “occipital” refers to occiput (= the back of the head)**
Hypophyseal fossa
Hypophysis (= pituatary gland)
The sella turcica consists of what two things?
The hypophyseal fossa and the slight ridge of bone which forms the edge of the fossa.
Carotid sulcus (eq)
Internal carotid A. **in the horse the internal carotid A. enters the cranial cavity by passing through the carotid incisure (notch) of the foramen lacerum
Chiasmatic sulcus
Optic chiasm **the chiasmatic sulcus is located in the presphenoid bone
Hamulus of the pterygoid bone
The tendon of the tensor veli palatini M. **the tendon of the tensor veli palatini M. turns medially around the hamulus to enter the soft palate**
Mastoid process
Cleidomastoideus M. Sternomastoideus M. (bo)
The difference in the mastoid process between horses and ox?
Horse - mastoid process is distinct, rounded projection Ox - consists of an elongated ridge of bone
Both the mastoid process and the styoid process are parts of the _______.
petrous part of the temporal bone