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the axial skeleton

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Question
Answer
show forms a longitudinal axis of the body.  
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show supports the limbs.  
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show protects the brain and guard the entrances to the digestive and respiratory systems.  
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show brain case  
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8 cranial bones   show
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show fluid filled chamber that cushions and supports the brain.  
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show protect and support the entrances to the digestive and respiratory tracts.  
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show subdivides the nasal cavity.  
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show several bones of the skull that contain air-filed chambers  
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suture   show
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show arches across the posterior surface of the skull and separates the occipital bone frm the two parietal bones.  
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show attaches the frontal bone to the parietal bones of either side  
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show formed by occipital, parietal, and frontal bones.  
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sagittal suture   show
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show on each side of the skull forms the boundary between the temporal bone and the parietal bone of that side.  
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show forms much of the posterior and inferior surfaces of the cranium.  
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external occipital proturberance   show
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show begins at the external occipital proturberance, marks the attachment of a ligament that helps stabilize the vertebrae of the neck.  
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show site of articulation between the skull and the first verebra of the neck.  
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foramen magnum   show
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jugular foramen   show
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show passes through ths foramen, carrying venous blood from the brain.  
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hypoglossal canals   show
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show cranial nerves that control the tongue muscles, pass through these canals.  
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parietal bones   show
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Frontal bone   show
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show or forehead, forms the anterior, superior portion of the cranium and provides surface area for the attachment of facial muscles.  
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show is a continuous with the superior temporal line of the parietal bone.  
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supraorbital margin   show
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lacrimal fossa   show
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show extremely variable in size and time of appearance.  
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supraorbital foramen   show
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temporal bones   show
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squamous part or squama of the temporal bone   show
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zygomatic process   show
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zygomatic arch   show
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show attachment site for muscles that rotate or extend the head.  
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show small interconnected cavities withn the masteoid process, that are connected to the middle ear cavity.  
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show near the base of the mastoid process, is attached to ligaments that support the hyoid bone and to the tendons of several muscles associated with the hyoid bone, the tongue, and the pharynx.  
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show located on its internal surface, encloses the structures of the inner ear- sense organs that provide information about hearing and balance.  
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auditory ossicles   show
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show provides passage for the internal carotid artery, a major artery to the brain.  
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show jagged slit extending between the sphenoid and the petrous portion of the tempora bone and containing hyaline cartilage and small arteries that supply inner surface of the cranium.  
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auditory tube   show
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external acoustic canal or external acoustic meatus   show
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show lies porsterior to the base of the styloid process.  
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facial nerve   show
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internal acoustic canal or internal acoustic meatus   show
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sphenoid, or sphenoidal bone   show
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body   show
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sella turcica   show
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Hypophyseal fossa   show
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show occupies this fossa  
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show are on either side of the body, inferior to the sella turcica.  
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lesser wings   show
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show extend laterally from the body and form part of the cranial floor.  
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sphenoidal spine   show
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pterygoid processes   show
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optic canals   show
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superior orbital fissure, foramen rotundum, foramen ovale, and foramen spinosum.   show
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show forms anteromedial floor of the cranium, the roof of the nasal cavity, and part of the sanal septum and medial orbit wall.  
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cribriform plate   show
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show bony ridge that projects superior to the cribiform plate.  
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Falx cerebri   show
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lateral masses   show
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ethmoidal labyrith   show
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show open into nasal cavity on each side  
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show delicate projections of lateral masses.  
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show forms part of the nasal septum, along with the vomer and a piece of hyaline cartilage.  
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show cribiform plate permit passage of the olfactory nerves, which provide the sense of smell.  
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olfactory foramina   show
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show Maxillae, support the teeth and form the inferior orbital rim, the lateral margins of the external nares, upper jaw, and most of the hard palate.  
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show Protects eye and other structures in the orbit.  
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Anterior nasal spine   show
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Alveolar process   show
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Palatine processes   show
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Maxillary sinuses   show
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show Formed by the maxillary and lacrimal bones, protects the lacrimal sac and the nasolacrimal duct, which carries tears from the orbit of the nasal cavity.  
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show marks the path of the major sensory nerve that reaches the brain via the foramen rotundum of the sphenoid.  
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show lies between the maxillary bone and the sphenoid, permits passage of cranial nerves and blood vessels.  
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palatine bones   show
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horizontal plate   show
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show extends from horizontal plate to the orbital process.  
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show forms part of the floor of the orbit.  
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show support the superior portion of the bridge of the nose.  
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show the entrances to the nasal cavity  
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show createthe nasal turbulence in air passng through the nasal cavity, and increase the epithelial surface area to promote warming and humidification of inhaled air.  
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zygomatic bones   show
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show curves posteriorly to meet the zygomatic process of the temporal bones.  
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show on the anterior surface of each zygomatic bone carries a sensory nerve that innervates the cheek.  
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lacrimal bones   show
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lacrimal sulfocrus   show
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show forms the lower jaw  
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show is the horizontal portion of the bone.  
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show supports the lower teeth.  
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show is the attachment site for several facial muscles.  
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submandibular salivary gland   show
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mylohyoid line   show
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ramus of the mandible   show
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show articulates with the temporal bone at the temporomandibular joint.  
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show insertion point for the temporalis muscle, a powerful muscle that closes the jaws.  
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show is the depression that separates the condylar and coronoid processes.  
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show are openings for nerves that carry sensory information from the lips and chin to the brain.  
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mandibular foramen   show
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hyoid bone   show
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show connect the lesser horns to the styloid processes of the temporal bones.  
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show attachment site for muscles of the larynx, tongue, pharynx.  
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greater horns   show
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show lesser cornua, are attached to the stylohyoid ligaments; from these ligaments;  
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show the mandible is pulled slightly out of alignment, generally by spasms in one of the jaw muscles.  
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orbits   show
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orbital complex   show
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show includes the bones that enclose the nasal cavities and the paranasal sinuses  
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paranasal sinuses   show
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fontanels   show
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vertebral column   show
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vertebra   show
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sacrum   show
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show tailbone  
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cervical vertebrae   show
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show 12, form superior portion of the back  
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show 5, form inferior portion of the back.  
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primary curves   show
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accomodation curves   show
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secondary curves   show
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compensation curves   show
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vertebral body   show
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show pads of fibrocartilage.  
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vertebral arch   show
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pedicles   show
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show flat layers  
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show encloses the spinal cord  
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spinous process   show
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transverse processes   show
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show arise at the junction between the pedicles and the laminae.  
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superior and inferior articular process   show
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articular facet   show
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intervertebral foramina   show
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show originate near the ventrolateral portion of the vertebral body.  
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bifid   show
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show surrounded by costal and transverse processes encircle prominent. These passageways to protect the vertebral arteries and vertabral veins.  
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show used to describe such an injury, because the movement of the head resembles the cracking of a whip.  
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show cervical vertebra C1, holds up the head, articulating with the occipital condyles of the skull.  
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anterior and posterior arches   show
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show fuse with atlas C2  
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dens   show
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show seventh cervical vertebra  
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ligamentum nuchae   show
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show on the vertebral bodies articulate with the heads of the ribs.  
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transverse costal facets   show
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sacral canal   show
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median sacral crest   show
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show Laminae of the fifth sacral vertebra fail to contact one another at the midline  
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show the opening at the inferior end of the sacral canal.  
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show four pairs crest that open on either side of the median sacral crest.  
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lateral sacral crest   show
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show thickened, flattened area lateral and anterior to the superior portion of the lateral sacral crest.  
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show roughened area between the lateral sacral crest and the auricular surface.  
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apex   show
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base   show
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show promineny buldge at the anterior tip of the base; important landmark for females during pelvic examinations and during labor and delivery.  
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ala or wing   show
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show first coccygeal vertebrae.  
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thoracic cage   show
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true ribs   show
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costal cartilages   show
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false ribs   show
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head   show
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tubercle   show
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show shaft  
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sternum   show
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show articulated with thw clavicles (collarbone) and the cartilages of the first pair of ribs.  
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show located between the clavicular articulations, is a shallow indentation on the superior aurface of the manubrium.  
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show attaches to the inferior surface of the manubrium and extends inferiorly along the midline.  
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show the smallest part of the sternum, is attached to the inferior surface of the body. The muscular diaphragm and rectus abdominis muscles attach to the xiphoid process.  
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