Head and Neck 1 Flashcards
What is the most common type of joint between the bones of the skull?
Suture joint (fibrous)
What are the 3 parts that the skull can be divided into?
Neuro-cranium
Facial skull (viscera-cranium)
Mandible
What part of the skull is A?
Neuro-cranium
What part of the skull is B?
Facial skull (viscera-cranium)
What part of the skull is C?
Mandible
What is A?
Compact bone
What is B?
Spongy bone
What are the 3 layers of the skull bone?
Compact bone, spongy bone, compact bone
Which part of the skull bone houses red marrow?
Spongy bone
What is A?
Parietal bone
What is B?
Sagittal suture
What is C?
Coronal suture
What is D?
Frontal bone
What is E?
Orbital margin or Nasal bone
What is F?
Sphenoid bone
What is G?
Temporal bone
What is H?
Occipital bone
What is I?
Lambdoid suture
What does the sagittal suture connect?
Left and right parietal bone
What does the coronal suture connect?
Left/right parietal and frontal bone
What does the lambdoid suture connect?
Left/right parietal and occipital bone
What kind of bones are bones of the facial skeleton?
Irregular
What do the facial bones give attachment to?
Muscles of the tongue, mastication and pharynx
What is A?
Frontal bone
What is B?
Zygomatic bone
What is C?
Maxilla bone
Mandible
What is E?
Ethmoid bone
What is F?
Nasal bone
List some bony prominences of the skull?
Occipital protuberance
Mastoid process
Zygomatic arch
Styloid process
Occipital condyles
What bone is the occipital protuberance apart of?
Occipital bone
What bone is the mastoid process apart of?
Temporal bone
Which bone is the zygomatic arch apart of?
Temporal bone and zygomatic bone
Which bone is the styloid process apart of?
Temporal bone
Which bone is the occipital condyles apart of?
Occipital bone
What are the 3 fossae of the cranial cavity?
Anterior cranial fossa
Middle cranial fossa
Posterior cranial fossa
What is A?
Greater wing of sphenoid
What is B?
Lesser wing of sphenoid
What is C?
Floor of sphenoid
What is A?
Maxilla
What is B?
Vomer
What is C?
Zygomatic
What is D?
Frontal
What is E?
Sphenoid
What is F?
Temporal bone
What is G?
Parietal
What is H?
Occipital
What is the largest formina cranium?
Foramen magnum
What 2 structures pass through the foramen magnum?
Medulla and meninges
Right and left vertebral arteries
What are the sockets for eyeballs called?
Orbits
What is the function of air sinuses and sacs?
Decrease the weight of the skull
Where are the ear ossicles found?
Within the petrous part of the temporal bone
What are the borders of the scalp?
Anterior - eyebrows
Posterior - superior nochal lines
Lateral - superior temporal line
What bone forms the zygomatic arch anteriorly?
Zygomatic bone
What bone forms the zygomatic arch posteriorly?
Temporal bone
What type of joint is present between the two bones of the zygomatic arch?
Suture (fibrous joint)
What are the 5 layers of the scalp?
Skin
Connective tissue
Aponeurosis of the occipitofrontal muscle (epicranial aponeurosis)
Loose connective tissue
Pericranium
(remember SCALP)