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Anatomy I: Lesson 7
Skull Part II - Viscerocranium Objective: Students will examine the visercocranium in order to differentiate between the structures amongst the various species
Entrance Name of Canal Exit
For. Infraorbitale Canalis Infraorbitalis For. Maxillare
For. Lacrimale Canalis Lacrimalis Cavuum Nasi
For. Palatinum Caudale Canalis Palatinus Majus For. Palatinum Majus and Minor
For. Opticum Canalis Opticum Sulcus Chiasmaticus
For. Alare Rostrale Canalis Alare For. Alare Parvum (Eq) &
For. Alare Caudale
For. Retroarticulare Meatus Temporalis Cavuum Cranii
For. Stylomastoideum Canalis Facialis Area n. facialis
For. Magnum Canalis Vertebrale Cavuum Cranii
For. Supraorbitalis Canalis Supraorbitalis Orbit
For. Incisivum Dorsale Canalis Interincisivus For. Incisivum Ventrale
For. Mandibulae Canalis Mandibulae For. Mentale
For. Ethmoidale N/A Lamina Cribrosa
For. Rotundum N/A Sulcus. N. Maxilaris
Fissura Orbitalis N/A Sulcus Opthalmici
For. Sphenopalatinum N/A Cavuum Nasi
II. Viscerocranium meatus nasi dors. lamina cribrosa ( olfactory bulb)
meatus nasi medius sinus paranasales (eq – 1 system)
meatus nasi ventr. pharynx ( larynx trachea)
meatus nasi communis (next to septum nasi)
Orbit fossa sacci lacrimalis (rostr. nasal cavity)
fossa glandulae lacrimalis (“lat.”, but within the orbit)
fossa musculi obliqui ventr. (medioventr.)
fovea trochlearis (mediodors., for m. obliquus dors.) Ca, Sus: ligamentum orbitale
Arcus zygomaticus
Os temporale, proc. zygomaticus
Os zygomaticum, proc. temporale
Os frontale, proc. zygomaticus
Ca, Sus: Lig. orbitale
fossa pterygopalatina
For. maxillare For. infraorbitale
For. sphenopalatinum Cavum nasi
For palatinum caud. For palatinum majus
caud. rostr.
palatum durum (hard palate)
os palatinum, lamina horizontalis maxilla, proc. palatinus os incisivum, proc. palatinus
◦ margo interalveolaris (= diastema)
◦ septa interaleveolaria ◦ septa intraalveolaria (= interradicularia)
rostr.: foramen interincisiva (Ca, Eq) fissura interincisiva (Ru, Sus)
Mandibula
lat.: fossa masseterica, rostr.: for. mentale med.: fossa pterygoidea, caud.: for.
mandibulae facies lingualis / fac. labialis + fac. buccalis interspec. diff.: margo ventr. – shape angulus mandibulae Eq: tuberositas musculi
sternomandibularis Ca: proc. angularis (caudovetr.)