Anatomy Chapter 12

Card Set Information

Author:
LaizyDaizy79
ID:
64555
Filename:
Anatomy Chapter 12
Updated:
2011-04-11 22:43:52
Tags:
Human Anatomy
Folders:

Description:
Skull
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user LaizyDaizy79 on FreezingBlue Flashcards. What would you like to do?


  1. Approximately how many bones occur in the adult skeleton?
    206
  2. What are the two main divisions of the skeleton?
    axial & appendicular
  3. What are the three main components of the axial skeleton?
    skull, vertebral column, & rib cage
  4. What are the two main divisions of the skull?
    cranium & face
  5. What is the bone of the forehead?
    frontal bone
  6. What cavities hold the eyeballs?
    orbits
  7. What two large openings lie within these cavities?
    superior & inferior orbital fissures
  8. What is a synonym for the brow ridges?
    superciliary ridge
  9. What bones form the bridge of the nose?
    nasal bones
  10. What bones form the upper jaw, the lateral walls of the nasal cavity, and teh floor of the orbits?
    maxillae
  11. What cavities lie within the maxillary bones inferior to the orbits?
    maxillary sinuses
  12. What bone forms the lower jaw?
    mandible
  13. What prominence on it forms the chin?
    mental protuberance
  14. What is the cavity of the nose?
    nasal cavity
  15. What prominence marks this cavity's anterior, inferior border?
    anterior nasal spine
  16. What structure divides the nasal cavity into right and left halves?
    nasal septum
  17. What scroll-shaped bones are visible on the inferior lateral walls of this cavity?
    turbinate bones
  18. What four bones can be seen in a superior view of the skull?
    frontal bone, both parietal bones, & occiptal bones
  19. What articulation between three of the four bones visible from a superior view of the skull occurs anteriorly in a frontal plane?
    coronal suture
  20. What articulation can be seen running along the midline in a superior view of the skull?
    saggital suture
  21. What openings can be seen along the posterior one-third of the sagittal suture?
    parietal foramina
  22. What articulation can be seen posteriorly in a frontal plane between three of the four bones visible from a superior view of the skull?
    lambdoidal suture
  23. What five bones can be seen in a posterior view of the skull?
    occipital, parietal, & temporal
  24. What is the bump on the midline on the posterior side of the skull?
    external occipital protuberance
  25. What are variable bones that commonly occur in the lambdoidal suture and occasionally in other articulations within the skull?
    sutural bones
  26. What arch of bone can be seen in a lateral view of the skull?
    zygomatic arch
  27. What movable articulation can be palpated just anterior to the external auditory canal?
    temporomandibular joint
  28. What bump of bone occurs posterior to the ear?
    mastoid process
  29. What sinuses can be seen in a midsagittal view of the skull?
    frontal & sphenoidal sinuses
  30. What structures can be seen in a midsagittal view of the skull as they form the nasal septum?
    vomer & perpendicular plate of the ethmoid
  31. What bone separates the cranial cavity and the nasal cavity?
    ethmoid
  32. What two bones form the hard palate?
    maxilla & palatine bones
  33. In an inferior view of the skull what flat, wing-like structures of the sphenoid can be seen?
    pterygoid processes & internal nares
  34. What openings into the nasal cavity can be seen in an inferior view of the skull?
    choanae
  35. Through what opening of the skull does the mandibular division of the trigeminal nerve pass?
    foramen ovale
  36. At what opening of the skull does the internal jugular vein begin?
    jugular foramen
  37. Through what opening in the skull does the internal carotid artery pass?
    carotid canal
  38. Through what opening in the skull does the spinal cord pass?
    foramen magnum
  39. With what smooth, rounded structures of the skull does the atlas articulate?
    occipital condyles
  40. What bone forms the anterior floor of the cranial cavity?
    ethmoid bone
  41. Through what portion of the ethmoid does the olfactory nerve pass?
    cribriform foramina
  42. What portions of the sphenoid extend laterally from the body of the sphenoid?
    ethmoidal labrynths
  43. What bone of the skull encases the ear?
    external acoustic meatus
  44. Through what opening in the skull does the optic nerve pass?
    optic canal
  45. Through what opening in the skull does the vestibulococchlear nerve pass?
    internal acoustic meatus
  46. What suture extends across the superior surface of the skull along a coronal plane?
    coronal suture
  47. What suture extends like an arc across the posterior surface of the skull?
    lambdoidal suture
  48. What suture lies along the midline superiorly on the skull?
    sagittal sutures
  49. What suture lies laterally between the parietal bone and temporal bone on each side?
    squamosal suture
  50. What bones may be found within sutures?
    sutural bones
  51. What is a synonym for "skullcap"?
    calverium
  52. What bone forms part of the calvaria, the forehead, and the roof of the orbits?
    frontal bone
  53. What is a synonym for the brow ridges?
    superciliary arches
  54. What cavities lie within the frontal bone?
    frontal sinus
  55. What part of the skull do the parietal bones form?
    lateral walls & roof
  56. What part of the skull do the temporal bones form?
    inferior lateral walls & part of the floor of the cranium
  57. What part of the temporal bone holds the middle and inner ear?
    petrous region
  58. What opening occurs on the medial, posterior aspect of the temporal bone for blood vessels and nerves?
    internal acoustic meatus
  59. What is the posterior region of the temporal bone?
    mastoid region
  60. What prominence on the temporal bone lies posterior to the ear, serves as the insertion for the sternocleidomastoid, and contains air cells?
    mastoid process
  61. What region of the temporal bone surrounds the bony, external opening of the ear?
    tympanic region
  62. What thin point of bone on the temporal bone serves as an attachment for several hyoid and tongue muscles?
    styloid process
  63. What opening does the facial nerve pass through on the interior surface of the skull?
    stylomastoid foramen
  64. What opening does the internal carotid artery pass through here?
    carotid canal
  65. What region of the temporal bone forms the superior, laterl, flat area of the bone?
    squamous region
  66. What bony process projects anteriorly from the squamous region of the temporal bone?
    zygomatic process
  67. What part of squamous region of the temporal bone articulates with the mandible?
    mandibular fossa
  68. What is the opening for the ear?
    external auditory canal
  69. What is the flat, posterior region of the occipital bone?
    squamous region
  70. What region of the occipital bone forms the base of the cranium?
    basilar region
  71. What is the large, circular opening within the skull for the spinal cord to pass through?
    foramen magnum
  72. What are the smooth, rounded projections on the left and right sides of the foramen magnum?
    occipital condyles
  73. Within the skull what is the is the opening for cranial nerve XII?
    hypoglossal canal
  74. What superior, horizontal line projects laterally from the external occipital protuberance?
    superior nuchal line
  75. What is the thick, medial part of the sphenoid?
    body
  76. What cavities lie within the sphenoid?
    sphenoidal sinus
  77. What projections of the sphenoid lie superior to the superior orbital fissure?
    lesser wings
  78. What projections of the sphenoid lie inferior to the superiof orbital fissure and can be seen in a lateral view of the skull?
    greater wings
  79. Whithin the sphenoid what is the depression holding the pituitary gland?
    hypophyseal fossa
  80. What is the bony enclosure of the hypophyseal fossa?
    sella turcica
  81. Through what opening of the sphenoid does the optic nerve pass?
    optic foramen
  82. What three foramina penetrate the greater wings of the sphenoid?
    foramen rotundum, foramen ovale, & foramen spinosum
  83. What projections of the sphenoid provide attachment surfaces for some muscles that move the lower jaw and soft palate?
    medial & lateral pterygoid processes
  84. What is the superior, midsagittal elevation of the ethmoid?
    crista galli
  85. What horizontal structure of the ethmoid separates the cranial and nasal cavities?
    cribriform plate
  86. Through what openings do the olfactory nerves pass?
    cribriform foramina
  87. What parts of the ethmoid hold the ethmoidal sinuses?
    lateral masses
  88. What are the cavities within the ethmoid?
    ethmoidal sinuses
  89. What part of the ethmoid forms the medial wall of the orbits?
    orbital plate
  90. What scroll-like extensions of the ethmoid project medially into the nasal cavity?
    superior & middle nasal conchae
  91. List the three crainial fossae.
    anterior, middle, & posterior
  92. What is a synonym for the zygomatic bones?
    cheek bones
  93. What bony projections of the zygomatic bones contribute to the zygomatic arches?
    temporal process
  94. In addition to the temporal process, what other two processes articulate the zygomatic bone with surrounding bones?
    maxillary & frontal process
  95. Where are the lacrimal bones located?
    medial & anterior orbital wall
  96. Within the lacrimal bone what structure allows the passage of the nasolacrimal duct?
    lacrimal groove
  97. The nasal bones form what facial feature?
    bridge of the nose
  98. The vomer helps to form what structure within the nasal cavity?
    nasal septum
  99. List the three nasal conchae found on each side of the nasal cavity.
    superior, middle, & inferior
  100. What is a synonym for the nasal conchae?
    turbinate bones
  101. What is the overall shape of the palatines?
    L-shaped
  102. What portion of the palatines forms the posterior third of the hard palatte?
    horizontal plate
  103. What part of the palatine forms the posterior, lateral wall of the nasal cavity?
    perpendicular plate
  104. What part of the palatine forms a small part of the floor of the orbit?
    orbital process
  105. What part of the maxilla forms the floor of the orbit?
    orbital surface
  106. What opening within the maxilla do the infraorbital artery and nerve pass through?
    infraorbital foramen
  107. What part of the maxilla holds the upper teeth?
    alveolar process
  108. What part of the maxilla forms the anterior two-thrids of the hard palette?
    palatine process
  109. What large cavity lies within the maxilla?
    maxillary sinus
  110. What is the horizontal portion of the mandible?
    body
  111. What are the ascending, posterior regions of the mandible?
    rami
  112. What part of the mandible holds the lower teeth?
    alveolar process
  113. What are the two corners of the mandible?
    angle of the mandible
  114. What opening lies on the anterolateral surface of the body of the mandible?
    mental foramen
  115. What opening within the mandible lies on the posterior, medial side?
    mandibular foramen
  116. What process of the mandible articulates with the temporal bone?
    condyloid process
  117. What is the smooth, round portion of this process?
    mandibular condyle
  118. What is the joing between the mandible and the temporal bone?
    temporomandibular joint
  119. What process of the mandible does the temporalis insert on?
    coronoid process
  120. What is the U-shaped depression between the two mandibular processes?
    mandibular notch
  121. What bones make up the roof of the nasal cavity?
    ethmoid - cribriform palte, frontal bone, & sphenoid bone
  122. What bones make up the floor of the nasal cavity?
    maxilla & palatine
  123. List the groups of paranasal sinuses.
    ethmoid, frontal, maxillary, & sphenoidal
  124. What is the collective term for the tiny bones of the middle ear?
    ear ossicles
  125. List the ear ossicles from lateral to medial.
    malleus, incus, & stapes
  126. What small, U-shaped bone lies superior to the larynx?
    hyoid bone
  127. What is the anatomical term for the softspots in a baby's skull?
    fontanels
  128. What is the function of the fontanelles?
    birth & growth
  129. List the four fontanels.
    anterior, posterior, sphenoid, & mastoid

What would you like to do?

Home > Flashcards > Print Preview