Fossa temporalis, fossa infratemporalis, fossa pterygopalatina



Fossa temporalis
•Borders:
•linea temporalis sup.,
•arcus zygomaticus

Fossa temporalis - content
•skin
•M. temporalis
•m. temporoparietalis (n.VII.)
•n. auricularis magnus
•a., v. temporalis spf. (v. retromandibularis)
•n. auriculotemporalis
•fascia temporalis (two laminae)
•a.,v., n. temporalis prof.

Fossa infratemporalis
Borders:
Upper: crista infratemporalis alae majoris osis sphenoidalis
Ventral: facies infratemporalis corporis maxillae
Lateral: ramus mandibulae
Medial: lamina lat. proc. Pterygoidei
Dorsal: missing, styloid septum

Fossa infratemporalis - content
Mm. pterygoidei
A. maxillaris
N. mandibularis
Plexus pterygoideus

Fossa infratemporalis
•v.ophthalmica inf. (fissura orbitalis inf.)
•
•n.mandibularis (foramen ovale)
•
•a.meningea media (foramen spinosum)
•
•n.alveolaris inf. (canalis mandibulae)
•
•n.mylohyoideus (sulcus mylohyoideus)

A.maxillaris in fossa infratemporalis
•
Pars pterygoidea
arteria masseterica
arteriae temporales prof.
rr. pterygoidei
arteria buccalis

Branches of the mandibular nerve in the infratemporal fossa
•N. mandibularis
•N. buccalis
•N. lingualis
•N. alveolaris inf.
•n. mentalis
•R. mylohyoideus
•N. auriculotemporalis
•

Fossa pterygopalatina
•Upper wall
•Facies maxillaris alae majoris ossis sphenoidalis
•Foramen rotundum (fossa cranii media)
•Fissura orbitalis inferior (orbita)
•Medial wall
•lamina perpendicularis ossis palatini
•Foramen sphenopalatinum (cavum nasi osseum)
•Ventral wall
•tuber maxillae (foramina alveolaria)
•Dorsal wall
•Processus pterygoideus ossis sphenoidalis
•canalis pterygoideus (basis cranii externa)
•Caudally:
•Canalis palatinus major (cavum oris)

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Branches of a. maxillaris –
pars pterygopalatina
•
Pars pterygopalatina
a. infraorbitalis
•
a. alveolaris sup. post.

a. palatina descendens
a. canalis pterygoidei
•
a. sphenopalatina

Side view of fossa pterygopalatina (passages of nerves)
(lacrimal gland)


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•References:
•
•Čihák, R.: Anatomie 1,2,3, Praha, Grada, 2001
•Netter, F.: Atlas of HumanAnatomy, 4th ed., Elseviesr, USA, 2006
•Naňka, Elišková: Přehled anatomie. Galén, Praha 2009
•Seidl et al.: Radiologie pro studium i praxi, Grada publishing, 2013
•Mrázková, Doskočil: Klinická anatomie pro stomatology, Alberta, Praha, 1994
•Brand, Isselhard: Anatomy of orofacial structures, 8th edition, Elsevier, USA, 2019
•Fehrenbach, Herring: Illustrated anatomy of the head and neck, 5th edition, Elsevier, USA, 2017
•Moore, Dalley: Clinically oriented anatomy, 5th edition, USA, 2006
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