chapt08 v0105 Skeletal

chapt08 v0105 Skeletal - Chapter 8 The Skeletal System...

Info iconThis preview shows pages 1–20. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Chapter 8 The Skeletal System Skeletal system - the framework of bones and cartilage that protects organs and allows movement. Orthopedics - the preservation and restoration of the skeletal system.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 Overview of the Skeleton Regions of the skeleton 1. axial skeleton forms the central axis skull, vertebral column, ribs, sternum and sacrum 2. appendicular skeleton includes the limbs & girdles Number of bones 206 in typical adult skeleton
Background image of page 2
3 Surface Features of Bones 1. joint formation 2. muscle attachment 3. passage of nerves and blood vessels these are foramen .
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
4 Axial & Appendicular Skeleton Axial skeleton (yellow) skull, vertebrae, ribs, sacrum & hyoid even auditory ossicles Appendicular skeleton (blue) pectoral girdle upper extremity pelvic girdle lower extremity
Background image of page 4
5 Axial Skeleton
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 The Skull 22 bones joined together by sutures Cranial bones surround cranial cavity 8 bones in contact with meninges Frontal, Sphenoid, Occipital, Ethmoid, (2) Temporal, (2) Parietal Facial bones support teeth & form nasal cavity & orbit 14 bones with no direct contact with brain or meninges (2) Nasal bones, (2) Maxillae, (2) Zygomatic, (2) Lacrimal, (2)Palatine, (2) Inf. Nasal conchae, (1) Vomer, (1) Mandible
Background image of page 6
7 Sutures Sutures are movable joints* found only between skull bones: 1. coronal 2. sagittal 3. lambdoid 4. squamous *Bone of contention, clinically skull bones do move . The anatomists say they don’t. Why?
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
8 Cranial Fossa 3 basins that comprise the cranial floor or base anterior fossa holds the frontal lobe of the brain middle fossa holds the temporal lobes of the brain posterior fossa contains the cerebellum
Background image of page 8
9 Cranial Bones
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
10 Frontal Bone Parietal Bone A Paired Bone
Background image of page 10
11 Temporal Bone Boxed Ear Bone 3 parts: squamous part zygomatic process Petrous part Ear styloid process for muscle attachment mastoid process looks like a _______
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
12 Petrous Portion of Temporal Bone Houses the EAR Petrous means _______
Background image of page 12
13 Occipital Bone The Basic Bone Rear & much of base of skull Foramen magnum holds spinal cord Skull rests on atlas at occipital condyles
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
14 Sphenoid Bone THE Skull bone. Lesser wing Greater wing Medial and lateral pterygoid processes
Background image of page 14
15 Sphenoid Bone THE Keystone of the skull. Body of the sphenoid sella turcica (Turkish Saddle) houses pituitary gland Lesser wing Optic foramen Greater wing -- 3 foramen foramen rotundum & ovale for brs. trigeminal nerve foramen spinosum for meningeal artery
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
16 Ethmoid Bone The Stinky Bone Found between the orbital cavities Forms lateral walls and roof of nasal cavity Cribriform plate & crista galli Ethmoid air cells form ethmoid sinus Perpendicular plate forms part of nasal septum Concha or turbinates on lateral wall
Background image of page 16
17 Ethmoid Bone The Smelly Bone Superior & middle concha Perpendicular plate of nasal septum CN 1 goes to the nose
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
18 Facial Bones
Background image of page 18
19 2 Maxillary Bones Maxium Face Bone
Background image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 20
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/25/2011 for the course BSC 1085 taught by Professor Staff during the Fall '09 term at Broward College.

Page1 / 78

chapt08 v0105 Skeletal - Chapter 8 The Skeletal System...

This preview shows document pages 1 - 20. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online