5th-Bones and Articulations of the Skull (2)

Bones and Articulations of the Skull

Xu Jin

Department of AnatomyChongqing Medical University

Overview Functions

protecting and supporting the organs of brain and other sense organs ； dealing with sight, hearing, balance and upper parts of digestive system & respiratory system.

we will spend 1 week, two times to finish this content we don’t study the separated bones respectively. We will study the skull as a whole

FormationBones: 23 in number Articulations: synarthrosis / diarthrosis

Cranial bones (8 bones) Unpaired bones (on the middle line) Frontal bone the cap of the skull Ethmoid bone Occipital boneSphenoid boneParied bones ( on the symmetrical position)Parietal boneTemporal bone

Articulations

Sutures

Synchondrosis

synosteosis

Facial bones (15 bones)Unpaired bones:MandibleVomerHyoid

Paired bonesNasal boneLacrimal boneInferior nasal chochaZygomatic bonePalatine boneMaxilla

OrbitsBony nasal cavityBony oral cavity

Articutlations

Temperomandibular Joint

The cap of the skull

The internal aspect of the base of skull

Ant.cranial fossa

Mid.cranial fossa

Post.cranial fossa

The external aspect of the base of skull

The anterior aspect of the skull

Bony nasal cavity

The lateral aspect of the skull

Paranasal sinuses

Temperomandibular Joint

Summary

cribriform foramina olfactory filaments ( I N)

optic canal optic n. (II N) / ophthalmic arter

superior orbital fissure oculomotor n. (III N.) / trochlear n. (IV N) / ophthalmic V.

foramen rotundum V2 (maxillary n. )

foramen ovale V3 (mandibular n.)

foramen spinosum middle meningeal vessles

internal acoustic meatus facial n. (VII. N) / vestibulocochlear n. (VIII N)

jugular foramen glossopharyngeal n. (IX N) / vagus n. (X N) / accessory n. (XI N.)

hypoglossal canal hypoglossal n. (XII N. )

The transmition of the structures through the cranial foramina

Name of paranasal sinus location

Sphenoidal sinus Sphenoethoidal recess

Ethmoidal sinus Posterior portion

Superior meatus

Middle portion Middle meatus

Anterior portion Middle meatus

Frontal sinus Middle meatus

Maxillary sinus Middle meatus

The location of the opennings of paranasal sinuses

anterior fontanelles: closed after birth for 18 monthsposterior fontanelles: closed after birth for 6 months

Fontanelles

sutures: closed after birth for 3 months

5th-Bones and Articulations of the Skull (2)

Documents

Rad 270 Skull Lecture. Skull Anatomy Comprised of 22 separate bones divided into two groups: –Cranial bones – 8 –Facial bones – 14 Cranial bones further

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SKULL & BONES SOCIETY

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SKULL SESSION- bones rigidly connected by sutures to ... · I. CALVARIUM = SKULL CAP-Consists of bones linked by sutures SKULL SESSION-bones rigidly connected by sutures to protect

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Axial Skeleton Bones of the Skull. The Skull: Two Sets of Bones The Cranium: Facial:

ARTICULATIONS Joints in the Human Body. WHAT ARE ARTICULATIONS? Articulations are joints Places where two or more bones meet

Cat Skull Bones Ppt

Injuries to: The Head, Neck and Face. Anatomy Review Skull The skull has 8 cranial bones & 14 facial bones. Cranial bones have articulations called suture

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BONES , ARTICULATIONS AND MUSCLES OF THE …nikolai.lazarov.pro/lectures/2014/pharmacy/05_Locomotor_Apparatus.pdf · Bones, articulations and muscles of the vertebral column ... Bones,

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2006 Skull-bones Member List

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Skull and Bones Portraits

Hand 19 Bones 19 Articulations 29 Muscles. Bones of the Hands

Bones of the skull & face...Parietal bones= base of skull Articulations: 1. anteriorly with frontal bones at the coronal suture 2. Posteriorly with occipital bone at lambdoid suture

The skull (cranium) - Masaryk University · The skull (cranium) I. Neurocranial skull bones (protection of the brain) II. Splanchnocranial skull bones (form the underlay of the face)