"I'm a big believer in punctuality, though it makes me very lonely." 11/10/2018 Title: Anat & Phys 9/22/06 Objectives: To assess knowledge of histology and learn about skeletal anatomy Class Topics Review Histology lab practical Skeletal system Anatomy Notes – Skull anatomy "I'm a big believer in punctuality, though it makes me very lonely." E. Verral Lucas Saturday, November 10, 2018 12:50 AM

Class Assignments Skeletal Anatomy Quiz 9/26/06 Due this class period 11/10/2018 Class Assignments What By When Skeletal Anatomy Quiz 9/26/06 Due this class period Due next class period Due in the future

Axial Skeleton Cranium - 8 Facial - 14 Ear Ossicles - 6 Hyoid 1 11/10/2018 Axial Skeleton Cranium - 8 1 Frontal 2 Parietal 1 Occipital 2 Temporal 1 Ethmoid 1 Sphenoid Ear Ossicles - 6 2 Malleus 2 Incus 2 Stapes Facial - 14 2 Zygomatic 2 Maxilla 2 Nasal 2 Nasal Conchae 2 Palatine 2 Lacrimal 1 Vomer 1 Mandible Hyoid 1 1 Hyoid bone

Axial Skeleton Ribs - 25 Vertebrae - 26 24 ribs (12 on each side) 11/10/2018 Axial Skeleton Ribs - 25 24 ribs (12 on each side) 1 Sternum Vertebrae - 26 7 Cervical 12 Thoracic 5 Lumbar 1 Sacrum 1 Coccyx

Appendicular Skeleton 11/10/2018 Appendicular Skeleton Pectoral Girdle (4) 2 scapula 2 clavicle Upper limbs (60) 2 humerus 2 radius 2 ulna 16 carpals 10 metacarpals 28 phalanges Pelvic Girdle (2) 2 os coxa Lower limbs (60) 2 femur 2 tibia 2 fibula 2 patella 14 tarsals 10 metatarsals 28 phalanges

All the Bones Axial Skeleton Appendicular Skeleton Total Bones 11/10/2018 All the Bones Axial Skeleton Appendicular Skeleton Total Bones

Terminology Condyle Facet Fissure Foramen Fossa Process Spine 11/10/2018 Terminology Condyle Facet Fissure Foramen Fossa Process Spine Trochanter Tubercle Tuberosity Suture Head Neck Diaphysis Epiphysis

Frontal Bone Superior, anterior bone of skull (Forehead) 11/10/2018 Frontal Bone Superior, anterior bone of skull (Forehead) Contains supraorbital foramen blood and nerves for forehead Connects to parietal bones at coronal suture Frontal sinus Superior section of orbits of eyes

Parietal Bone Meet at superior margin (top) with saggital suture 11/10/2018 Parietal Bone Meet at superior margin (top) with saggital suture Joins with frontal at coronal suture No foramen

11/10/2018 Occipital bone Posterior and inferior region (back and floor) of cranium Meets with parietal at lambdoidal suture Contains foramen magnum exit for spinal cord guarded by occipital condyles articulates with the atlas (1st cervical vertebrae) External occipital protuberance

Temporal Bone Meets with parietal at squamosal suture 11/10/2018 Temporal Bone Meets with parietal at squamosal suture contains external auditory meatus ear canal mandibular fossa articulation with mandible Zygomatic process Posterior region (back part) of zygomatic arch Cheek bone

Temporal Bone (cont.) Mastoid process Styloid process 11/10/2018 Temporal Bone (cont.) Mastoid process Anchor for neck muscles sternocleidomastoid Styloid process anchors for muscles of tongue and pharnyx

11/10/2018 Sphenoid bone Posterior region of orbits, inferior region of cranium (lower walls and floor) Contains optic foramen opening for optic nerve Superior and inferior orbital fissures nerves and blood to eyes Sella turcica (Turkish saddle) houses the anterior pituitary gland Sphenoid sinus

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11/10/2018 Ethmoid bone Makes up nasal septum and divides cranial cavity from nasal cavity splits into some of nasal conchae Cribriform plate for passage of olfactory nerves Crista Galli (Rooster’s comb) Projection in the middle of the cribriform plate Ethmoid sinus

11/10/2018 Ethmoid bone

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