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Stack #114097

anat ch. 7 skull

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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