DOH 255– Head and Neck Anatomy
Practical 2: Osteology 2
Frontal bone – Superciliary arches, Glabella, Supraorbital margin, Supraorbital
foramen/notch, Zygomatic process, Lateral rim of orbit, Medial rim of the orbit,
Frontonasal suture, Nasion, Orbital plate, Lacrimal fossa, Trochlear fossa, Frontal
sinus
Zygomatic bone - Temporal process (as anterior part of zygomatic arch), Frontal
process, Maxillary process, Zygomaticofrontal suture, Zygomaticomaxillary suture,
Zygomaticotemporal suture, Zygomaticofacial foramen.
Temporal bone – Zygomatic process, Squamous part, Tympanic part, Petrous part,
Mastoid part, External acoustic meatus, Styloid process, Mastoid process,
Parietomastoid suture, Occipitomastoid suture, Stylomastoid foramen, Jugular fossa,
Carotid canal, Mastoid notch/digastric notch/groove, Articular eminence, Mandibular
(glenoid) fossa, Postglenoid tubercle, Tympanomastoid fissure, Superior temporal line,
Inferior temporal line, Temporal fossa
Maxillary bone – Body, Frontal process, Zygomatic process, Palatine process,
Alveolar process, Orbital face, Infraorbital foramen, Anterior Nasal spine,
Intermaxillary suture, Canine eminence, Canine fossa, Frontomaxillary suture,
Zygomaticomaxillary suture, Nasomaxillary suture, Maxillary tuberosity, Incisive
fossa (opening of incisive foramina), Incisive canal, Median palatine suture,
Palatomaxillary (transverse palatine) suture, Maxillary sinus.
Palatine bone – Interpalatine suture, Horizontal plate, Perpendicular plate, Pyramidal
process, Orbital process, Lesser palatine foramen, Greater palatine foramen, Posterior
nasal spine.
Sphenoid bone – Body, Greater wing, Lesser wing, Anterior clinoid process,
Chiasmatic groove, Sella turcica (Tuberculum sellae, Hypophysial/Pituitary fossa,
Dorsum sellae, Posterior clinoid processes), Pterygoid process (Medial pterygoid plate,
Lateral pterygoid plate, Pterygoid hamulus and Pterygoid fossa), Sphenoid sinus
Occipital bone – Basilar part, Condylar part, Squamous part, Clivus, Pharyngeal
tubercle, Occipital condyle, Foramen magnum, Hypoglossal canal, Jugular tubercle,
Superior nuchal line, Inferior nuchal line, External occipital protuberance (Inion),
Occipitomastoid suture
Ethmoid bone – Perpendicular plate, Orbital plate, Cribiform plat, Crista galli,
Cribriform plate, Superior nasal concha, Middle nasal concha
Nasal bone and Lacrimal bone – Posterior lacrimal crest
, DOH 255– Head and Neck Anatomy
Question: Which bones does the frontal bone form articulations with? Find those
bones in the skull.
Anterior cranial fossa – Crista galli, Frontal crest, Cribriform plate of ethmoid
Foramen cecum, Orbital plates of frontal bone, Anterior clinoid process, Body of
sphenoid, Lesser wing of sphenoid, Optical canal.
Middle cranial fossa – Greater wing of Sphenoid, Temporal bone, Parietal bone,
Pituitary (Hypoglossal) fossa, Posterior clinoid process, Superior orbital fissure,
Foramen rotundum, Foramen ovale, Foramen spinosum, Foramen lacerum, Carotid
canal (internal end), Grooves for middle meningeal artery.
Posterior cranial fossa – Petrous and squamous parts of temporal bone, Occipital
bone, Parietal bone, Foramen magnum, Internal auditory/acoustic meatus, Jugular
foramen, Jugular tubercle, Hypoglossal canal, Condylar canal, Grooves for:
Transverse, Sigmoid, Superior sagittal, Inferior petrosal venous sinuses; Internal
occipital protuberance
Bony orbit – Maxilla, Zygomatic, Frontal, Ethmoid, Lacrimal, Sphenoid, Palatine,
Optical canal, Superior and inferior orbital fissures, Infraorbital groove, canal, and
foramen, Lacrimal sac fossa, Nasolacrimal canal, Lacrimal fossa, Trochlear fossa.
Nasal cavity - Piriform aperture, Maxilla, Nasal bone, Bony nasal septum
(Perpendicular plate of ethmoid bone,Vomer), Anterior nasal spine, Middle and
inferior nasal conchae, Nasal crest (maxilla part and palatine part).
Activity: Identify the features of Cranial base, and List these features from anterior to
posterior direction as the homework.
Mandible – Body, Angle, Ramus, Symphysis, Condyloid process, Coronoid process,
Condylar head, Condylar neck, Pterygoid fovea, Mandibular (Sigmoid) notch,
External oblique ridge, Internal oblique ridge, Alveolar process, Alveoli (tooth
sockets), Temporal crest, Anterior margin of the ramus, Retromolar triangle, Buccal
shelf, Mental protuberance, Mental tubercles, Mental foramen, Mandibular foramen,
Mandibular canal, Lingula, Mylohyoid groove, Mylohyoid line, Submandibular fossa,
Sublingual fossa, Superior and inferior mental spines (genial tubercles), Digastric
fossa.
Practical 2: Osteology 2
Frontal bone – Superciliary arches, Glabella, Supraorbital margin, Supraorbital
foramen/notch, Zygomatic process, Lateral rim of orbit, Medial rim of the orbit,
Frontonasal suture, Nasion, Orbital plate, Lacrimal fossa, Trochlear fossa, Frontal
sinus
Zygomatic bone - Temporal process (as anterior part of zygomatic arch), Frontal
process, Maxillary process, Zygomaticofrontal suture, Zygomaticomaxillary suture,
Zygomaticotemporal suture, Zygomaticofacial foramen.
Temporal bone – Zygomatic process, Squamous part, Tympanic part, Petrous part,
Mastoid part, External acoustic meatus, Styloid process, Mastoid process,
Parietomastoid suture, Occipitomastoid suture, Stylomastoid foramen, Jugular fossa,
Carotid canal, Mastoid notch/digastric notch/groove, Articular eminence, Mandibular
(glenoid) fossa, Postglenoid tubercle, Tympanomastoid fissure, Superior temporal line,
Inferior temporal line, Temporal fossa
Maxillary bone – Body, Frontal process, Zygomatic process, Palatine process,
Alveolar process, Orbital face, Infraorbital foramen, Anterior Nasal spine,
Intermaxillary suture, Canine eminence, Canine fossa, Frontomaxillary suture,
Zygomaticomaxillary suture, Nasomaxillary suture, Maxillary tuberosity, Incisive
fossa (opening of incisive foramina), Incisive canal, Median palatine suture,
Palatomaxillary (transverse palatine) suture, Maxillary sinus.
Palatine bone – Interpalatine suture, Horizontal plate, Perpendicular plate, Pyramidal
process, Orbital process, Lesser palatine foramen, Greater palatine foramen, Posterior
nasal spine.
Sphenoid bone – Body, Greater wing, Lesser wing, Anterior clinoid process,
Chiasmatic groove, Sella turcica (Tuberculum sellae, Hypophysial/Pituitary fossa,
Dorsum sellae, Posterior clinoid processes), Pterygoid process (Medial pterygoid plate,
Lateral pterygoid plate, Pterygoid hamulus and Pterygoid fossa), Sphenoid sinus
Occipital bone – Basilar part, Condylar part, Squamous part, Clivus, Pharyngeal
tubercle, Occipital condyle, Foramen magnum, Hypoglossal canal, Jugular tubercle,
Superior nuchal line, Inferior nuchal line, External occipital protuberance (Inion),
Occipitomastoid suture
Ethmoid bone – Perpendicular plate, Orbital plate, Cribiform plat, Crista galli,
Cribriform plate, Superior nasal concha, Middle nasal concha
Nasal bone and Lacrimal bone – Posterior lacrimal crest
, DOH 255– Head and Neck Anatomy
Question: Which bones does the frontal bone form articulations with? Find those
bones in the skull.
Anterior cranial fossa – Crista galli, Frontal crest, Cribriform plate of ethmoid
Foramen cecum, Orbital plates of frontal bone, Anterior clinoid process, Body of
sphenoid, Lesser wing of sphenoid, Optical canal.
Middle cranial fossa – Greater wing of Sphenoid, Temporal bone, Parietal bone,
Pituitary (Hypoglossal) fossa, Posterior clinoid process, Superior orbital fissure,
Foramen rotundum, Foramen ovale, Foramen spinosum, Foramen lacerum, Carotid
canal (internal end), Grooves for middle meningeal artery.
Posterior cranial fossa – Petrous and squamous parts of temporal bone, Occipital
bone, Parietal bone, Foramen magnum, Internal auditory/acoustic meatus, Jugular
foramen, Jugular tubercle, Hypoglossal canal, Condylar canal, Grooves for:
Transverse, Sigmoid, Superior sagittal, Inferior petrosal venous sinuses; Internal
occipital protuberance
Bony orbit – Maxilla, Zygomatic, Frontal, Ethmoid, Lacrimal, Sphenoid, Palatine,
Optical canal, Superior and inferior orbital fissures, Infraorbital groove, canal, and
foramen, Lacrimal sac fossa, Nasolacrimal canal, Lacrimal fossa, Trochlear fossa.
Nasal cavity - Piriform aperture, Maxilla, Nasal bone, Bony nasal septum
(Perpendicular plate of ethmoid bone,Vomer), Anterior nasal spine, Middle and
inferior nasal conchae, Nasal crest (maxilla part and palatine part).
Activity: Identify the features of Cranial base, and List these features from anterior to
posterior direction as the homework.
Mandible – Body, Angle, Ramus, Symphysis, Condyloid process, Coronoid process,
Condylar head, Condylar neck, Pterygoid fovea, Mandibular (Sigmoid) notch,
External oblique ridge, Internal oblique ridge, Alveolar process, Alveoli (tooth
sockets), Temporal crest, Anterior margin of the ramus, Retromolar triangle, Buccal
shelf, Mental protuberance, Mental tubercles, Mental foramen, Mandibular foramen,
Mandibular canal, Lingula, Mylohyoid groove, Mylohyoid line, Submandibular fossa,
Sublingual fossa, Superior and inferior mental spines (genial tubercles), Digastric
fossa.
