Osteology, Spaces and Cavities Anatomy Flashcards
what is another name for the skull?
the cranium
what are the two regions of the cranium?
neurocranium
viscerocranium
what part of the cranium surrounds the brain?
the neurocranium
what part of the cranium makes up the facial skeleton?
the viscerocranium
what are the three parts that the cranial vault can be divided into called?
anterior, middle and posterior cranial fossae
what is another name for the cranial vault?
the neurocranial cavity
what are the three chambers that are in communication with the nasal cavities?
paranasal sinuses
lacrimal sac
nasopharynx
what are the two functions of the mucosa located in the nasal cavities?
respiration
olfaction
what does olfaction mean?
smelling
what are nasal conchae covered in mucosa called?
turbinate’s
what are the three projecting nasal conchae of the lateral nasal wall called?
superior nasal concha
middle nasal concha
inferior nasal concha
which two nasal conchae are part of the ethmoid bone?
superior and middle
what is found above the superior nasal concha?
the sphenoethmoidal recess
what is found between the superior and middle nasal concha?
the superior meatus
what is found between the middle and inferior nasal conchae?
the middle meatus
what is found below the inferior nasal concha?
the inferior meatus
how many pairs of paranasal sinuses are there?
four
what lines the paranasal sinuses?
respiratory epithelium
what are the four paranasal sinuses?
frontal sinus
ethmoidal air cells
sphenoid sinus
maxillary sinus
what are the two roles of the paranasal sinuses?
reduce weight of the skull
increase vocal resonance
what is it called when the mucosa of the paranasal sinuses becomes inflammed?
sinusitis
what are the additional features found underneath the middle nasal concha?
ethmoid bulla
semilunar hiatus
where does the sphenoidal sinus drain?
sphenoethmoidal recess
where does the posterior ethmoidal air cells drain?
superior meatus
what three things drain into the semi-lunar hiatus of the middle meatus?
frontal sinus
maxillary sinus
anterior ethmoidal air cells
where does the middle ethmoidal air cells drain?
ethmoidal bulla of the middle meatus
where does the nasolacrimal duct drain?
the inferior meatus
how many cartilages create the laryngeal skeleton?
9
what is the majority of the laryngeal skeleton made of and what is the exception?
hyaline cartilage
epiglottis = elastic cartilage
what lines the internal larynx?
respiratory mucosa
what are the three regions of the internal larynx?
laryngeal vestibule
laryngeal ventricles
infraglottic region
what are the laryngeal vestibule and ventricles collectively referred to as?
the supraglottis
what are the two parts of the oral cavity?
oral vestibule
oral cavity proper
where is the oral vestibule found?
between the internal surface of the lips and the external surface of the teeth
where is the oral cavity proper found?
between the internal surface of the teeth and the oropharynx
where should the tip of a laryngoscope blade be placed?
the vallecula
where is the vallecula?
between the base of the tongue and the anterior epiglottis
