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Stack #114097
anat ch. 7 skull
| Question | Answer |
|---|---|
| What are the air filled cavities in the bones? | sinuses |
| What bones are sinuses found in? | Frontal, sphenoid, ethmoid, and maxillary. |
| What cavity are sinuses connected to? | The nasal cavity. |
| What type of joint is found between skull bones? | A suture. |
| What are the four large sutures of the skull? | Coronal, saggital, lambdoidal, squamosal |
| Where is the coronal suture? | brtween the frontal and parietal bones. |
| Where is the saggital suture? | Between the two parietal bones. |
| Where is the lambdoidal suture? | Between occipital and parietal bones. |
| Where is the squamosal suture? | Between the parietal and the temporal bones. |
| What is the soft spot also called? | fontanel. |
| What is the purpose of the fontanels? | makes birth process easier, and allows for rapid brain growth. |
| At approx. what age do the fontanels close? | about 2 years. |
| What two regions is the skull divided into? | cranium and facial bones. |
| Where are the parietal bones (2)? | Top of skull. |
| Where is the occipital bone? | Single bone in the back of skull. |
| What is the hole called that the spinal cord leaves the brain through, and in what bone is it located? | The foramen magnum is located in the occipital bone. |
| What is the knuckle-like structure on each side of the foramen magnum, the site where the vertebrae attach? | The occipital condyle. |
| what protuberance is found dorsal from the foramen magnum and is for muscle attachment? | the external occipital protuberance |
| What bones are located at the temples? | The temporal bones. |
| What process forms most of the cheek arch? | The zygomatic process. |
| What is the depression where the mandible fits into the temporal bone? | The mandibular fossa. |
| What is the small hole for the carotid artery in the temporal bone known as? | The carotid canal. |
| What is the hole, larger and posterior of the carotid canal, that is for the jugular vein called? | The jugular foramen. |
| What process is located posterior of the external acoustic canal? | The mastoid process. |
| What is the small "fang" process that extend inferiorly from the temporal bones? | The styloid process. |
| What is the opening to the ear called? | The external acoustic canal. |
| What bone contains the frontal sinuses, supraorbital margin, and the supraorbital foramen? | The frontal bone. |
| Where is the supraorbital margin/notch/foramen? | Upper part of eye socket. |
| What is the butterfly shaped bone?e | The sphenoid bone. |
| What canal does the nerve extending from the back of the eye pass through that is part of the sphenoid bone? | The optic canal. |
| What is the name of the turkish saddle and what gland is found here? | The stella turcica holds and protects the pituitary gland. |
| What is the upper, smaller wing called, and what is the larger wing called? | lesser wing and greater wing. |
| What is the big split in the bone in the back of the orbital called? | the superior orbital fissure. |
| What are the three foramen found on the spenoid bone and what are their relative locations? | rotundum is anterior, ovale is medial, and spinosum is posterior. |
| Where is the ethmoid bone? | Within skull, behind nose. |
| What part of the ethmoid bone forms most of the septum? | The perpendicular plate. |
| What is the plate that is full of holes? | The cribiform plate. |
| what are the holes in the cribiform plate called and what are they for? | The olfactory foramina are for the olfactory "smell" nerves. |
| What sticks off superior of the cribiform plate? (The cock's comb)? | The christa galli. |
| What is the "wall" that divides the nose? | The bony nasal septum. |
| What is the bone at the base of the nose that forms the inferior part of the nasal septum? | The vomer. |
| What bones form the bridge of the nose? | The nasal bones. |
| Which bones contain the grooves for the tear ducts? | The lacrimal bones. |
| What bones make up the upper jaw and most of the cheek? | The maxillary bones. |
| What are the sinuses within the maxillary bones called? | The maxillary sinuses. |
| What are the alveolar processes? | The tooth sockets. |
| What is the fairly large foramen below the eye socket? | The infraorbital foramen. |
| Where are the inferior nasal conchae? | Inside the nasal cavity (they increase surface area.) |
| Where are the zygomatic bones? | The cheek area. |
| Which bone sticks out with the zygomatic process and forms the zygomatic arch? | The temporal process. |
| Which bones form the posterior part of the palate? | The palatine bones. |
| What is the name of the lower jaw? | The mandible. |
| What is the center part of the mandible called? | The body. |
| What are the vertical, side parts of the mandible called? | The ramus. |
| Which is anterior and which is posterior, the coronid process and the condylar process? | The coronid process is posterior, and the condylar process is anterior. |
| What is the foramen in the chin known as? | The mental foramen. |
| What is the bump in the center of the chin called? | The mental protuberance. |
| what is the framen located on the inner part of the ramus? | The mandibular foramen. |
| What is the raised ridge for muscle attachment that is found on the inner part of the mandible? | The mylohyoid line. |
| What are the tiny bones in the ear? | The auditory ossicles. |
| What is the only bone in the body that has no articulations to any other bone? | The hyoid bone. |
Created by:
justinjune28
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