The Skull its landmarks DTH23 Part B .pdf

The Skull and its Landmarks Part B Part 1 of 4 Julie Watson GDC Learning Outcomes 1.1 Overall Aim 1.1.1 The aim of todays session is to 1.1.5 cover the Facial Skeleton and try to tie in other lectures you 9.1 will have/had...

The Skull and its Landmarks Part B Part 1 of 4 Julie Watson GDC Learning Outcomes 1.1 Overall Aim 1.1.1 The aim of todays session is to 1.1.5 cover the Facial Skeleton and try to tie in other lectures you 9.1 will have/had on the Mandible, 9.2 Muscles of Mastication and Facial Expression To give you an understanding of the features of the skull, and how they can impact us as clinicians 2  The Skull is made of 2 sections Neurocranium – These are the Viscerocranium – These are the Cranial Bones Facial Bones To Re- Loading… Cap En.wikipedia.org 3 Courses.lumenlearning.com Learning Outcomes By the end of the next sessions, Parts 1-4 you should be able to: Name the 14 bones of the Facial Skeleton Describe in detail the Palatine Bones & The Orbit Bones Label various diagrams of the skull Describe the location & anatomical features of the 3 Intracranial Fossae Discuss the Hyoid bone 4 The Viscerocranium – Facial Skeleton Loading… Function of the Facial Skeleton the brain · Protects argas and Protects the sense · Houses which soft tissues of frame · provides can act to Facilitate the face of and expressions breathing eating , facie , Speech - of your face form The · 6 There are 14 Facial Bones Vomer x 1 Palatine Bones x 2 Conchae x 2 (Turbinate Zygomatic Bones x 2 Bones) Lacrimal Bones x 2 Nasal Bones x 2 Maxilla x 2 Mandible x1 Vomer can not make my pet zebra laugh 7 front of face 8 Webcampu.med.drexel.edu  of face midline (2) Nasal Bones 2 x slender oblong bones Vary in size from person to person and form the bridge of the nose Articulate with: Other nasal bone Frontal bone Maxilla Ethmoid corches Inferior 9  of sidecavity each nasal Inferior Nasal Concha(2) Located within the nasal cavity cried Spasyande They increase the amount of inspired air that comes into contact with cavity walls, by increasing surface area. the air warm. Articulate with: Ethmoid Maxilla Lacrimal Palatine bone 10  · In the Nasal Cavity Vomer Bone (i) · forms the septum A thin, singular bone that runs vertically within the nasal cavity Separates the nasal cavities Loading… into left and right sides Articulates with: Maxilla Ethmoid Sphenoid bones Palatine 11  socket side of · eye rear ,. nose -. Lacrimal Bones (2) Smallest bones of the face - finger nais Site-Pinkey , Forms part of the medial wall of the orbit and provides support for the eyes Involved in crying. It is part of the tear duct, where tears drain from the eye. · Fragile Bank. Articulate with: Frontal Ethmoid Maxilla Inferior nasal concha. 12  Barl Irregular together with fused Maxilla Bones (2) Bares. other · Frontal G Located at the front section of the & face Forms the upper jaw which hold the teeth, sides of the nasal cavity dubal vari and sections of the eye socket maxillos raint Articulates with: Zygomatic on fams D · erie · Frontal ferome Palatine · contains incosal 13  Irregular shaped Zygomatic Bones 127 Form the cheek bones and are diamond shaped. Important contributors to mastication, providing an attachment point for the masseter muscle Articulates with: Sphenoid bone Maxilla Frontal bone Temporal bone 14  Lilla ma O + Mandible Bone Cl interior Forms the lower part of the jaw, and houses the lower set of teeth. Largest bone in the human skull and composed of mandible body and ramus. Hads teeth in Place Articulates with: Temporal bone to form the temporomandibular joint (TMJ) 15  ↳ shoped Bone Palatine Bones (2) Situated at the back of the nasal cavity Helps form the nasal cavity, eye socket, and hard palate. Articulates with six bones: Sphenoid Ethmoid Maxilla Inferior nasal concha Vomer Opposite Palatine. and Houses greater Lesser Politine nerves LE 16  Palativeare Two important foramina that transmit nerves and blood vessels: The greater and lesser palatine. Each palatine bone forms an L- shape, which consists of a horizontal plate and a perpendicular plate. 17 Torus Palatinus Darrel Exdontia.inf o 18 Sciencedirect You Tube Clip for Palatine Bones https://www.youtube.com/watch?v=eZMdVEJFa4g 19  Time For A Break! 20 Economic times.com The Skull and its Landmarks Part 2 of 4 Julie Watson The Skull and its Landmarks Part 3 of 4 Julie Watson The Viscerocranium – Facial Skeleton Intracranial Fossae prese * Introduction The floor of the Cranial cavity is divided into three distinct depressions known as; Loading… The Anterior Cranial Fossa The Middle Cranial Fossa The Posterior Cranial Fossa Each fossa accommodates a different part of the brain. 3 Surroundeorious bl pores 4  Anterior Cranial Fossa - The anterior cranial fossa is the most shallow and superior of the three cranial fossae Loading… It lies superiorly over the nasal and orbital cavities Accommodates part of the frontal lobe of the brain pol Boundedcal D 5  Lots of important structures. Middle Cranial Fossa Located centrally in the cranial floor Butterfly shaped - Middle part accommodates the pituitary glands Two lateral parts accommodate the temporal lobes of the brain 6 Cureus.com Posterior Cranial Fossa The posterior cranial fossa is the deepest and most posterior of the three cranial fossae It accommodates the brain stem and the cerebellum # 7 Getbodysmart.com  a foss votalpic = middlestains to nores => provides ese fer - Exit Point nerves trigeminal cartilage filled > - Arters covering the 5 brau - passage for Sensory nerwe mandibula a brall T trigenes here. 8 Medchrome.com You Tube Clips For Intracranial Fossae https://www.youtube.com/watch?v=4KcRRqgG21s (anterior cranial fossa) https://www.youtube.com/watch?v=kAOrHWa8qNc (middle cranial fossa) https://www.youtube.com/watch?v=yRYS--2jviM (posterior cranial fossa) 9  I expect you have this! www.outsetmedia.com The Viscerocranium – Facial Skeleton The Orbit  ↳ are fadal bores 3 are crontal pares The Orbit The orbits are symmetrical The following seven bones form paired structures separated by the orbit: the nasal cavity croical Sphenoid. Loading… - Frontal. -cranial They enclose the eyeballs and & their associated structures Zygomatic. Fadal- crovial Ethmoid. T Lacrimal. - facial Maxilla. - faciel Palatine- facial 3  Eye sot/nasal & never supplied muscles surrounded by You Tube Clip for The Orbit https://www.youtube.com/watch?v=s6j50KNzATE Loading… 5 Have a quick walk about – blow away those cobwebs! www.isrgrajan.com The Skull and its Landmarks Part 4 of 4 Julie Watson Hyoid Bone =  to attached Bones Bone other Slender. not. any muscles only Level with Hyoid Bone layna. up Last molar. · Holds founse a The Hyoid bone is a u – shaped bone Situated in the anterior part ofLoading… the upper neck It lies at the base of the mandible It aids in tongue movement and swallowing 3 Teach meanatomy.info You Tube Clip for the Hyoid Bone https://www.youtube.com/watch?v=KsT6zy9Anj8 4  To Summarise Done it! In Part B we have covered; the 14 Bones of the Facial Skeleton, the Orbit, the Intracranial Fossae & the Hyoid Bone We have looked into the implications Loading… to us as clinicians, and we have referred back to the last lecture to try and join it all together You have been given YouTube clips to watch and further reading to peruse Well done! 5 Further Reading https://www.verywellhealth.com/palatine-bone- anatomy-location-and-function-4707217 https://www.kenhub.com/en/library/anatomy/bones-of- the-orbit https://www.kenhub.com/en/library/anatomy/the- viscerocranium https://teachmeanatomy.info/head/areas/cranial-fossa/ https://www.ncbi.nlm.nih.gov/books/NBK545298/ (middle cranial fossa) 6  https://courses.lumenlearning.com/austincc- ap1/chapter/the-skull/ https://commons.wikimedia.org/wiki/File:Middle_cranial _fossa_-_animation.gif https://teachmeanatomy.info/head/areas/cranial- fossa/middle/ https://commons.wikimedia.org/wiki/File:Posterior_cran ial_fossa_-_animation.gif https://geekymedics.com/cranial-foramina/ https://www.kenhub.com/en/library/anatomy/the-12- cranial-nerves  https://teachmeanatomy.info/neck/bones/hyoid-bone/ https://www.youtube.com/watch?v=tgxb9-jyPkQ (nose bones) https://www.youtube.com/watch?v=YMBXJRbWG74 (nasal septum) https://www.youtube.com/watch?v=ExtmDq-zkdQ (facial skeleton) https://www.kenhub.com/en/library/anatomy/the- zygomatic-bone https://www.youtube.com/watch?v=gfTwZqPdhCM (Zygomatic bone) 8  https://radiopaedia.org/articles/palatine-bone?lang=gb https://www.kenhub.com/en/library/anatomy/the- palatine-bone Anatomy, Head and Neck, Middle Cranial Fossa Vijay Letchuman; Bruno Bordoni; Natasha Acosta.  https://radiopaedia.org/articles/palatine-bone?lang=gb https://www.kenhub.com/en/library/anatomy/the- palatine-bone Anatomy, Head and Neck, Middle Cranial Fossa Vijay Letchuman; Bruno Bordoni; Natasha Acosta.  https://radiopaedia.org/articles/palatine-bone?lang=gb https://www.kenhub.com/en/library/anatomy/the- palatine-bone Anatomy, Head and Neck, Middle Cranial Fossa Vijay Letchuman; Bruno Bordoni; Natasha Acosta.  https://radiopaedia.org/articles/palatine-bone?lang=gb https://www.kenhub.com/en/library/anatomy/the- palatine-bone Anatomy, Head and Neck, Middle Cranial Fossa Vijay Letchuman; Bruno Bordoni; Natasha Acosta.  https://radiopaedia.org/articles/palatine-bone?lang=gb https://www.kenhub.com/en/library/anatomy/the- palatine-bone Anatomy, Head and Neck, Middle Cranial Fossa Vijay Letchuman; Bruno Bordoni; Natasha Acosta.