Skeleton
![card image](http://www.kidport.com/reflib/science/humanbody/skeletalsystem/images/SkeletonAnterior.jpg)
-the body's framework, composed of cartilage & bone
-in embryos the skeleton is predominantly made up of hyaline cartilage, replaced by more rigid bone.
Functions of the skeleton.
![card image](http://o.quizlet.com/i/BZBCNftonvzRHKKxGtUCTQ_m.jpg)
-supports and protects the body
-responsible for body movement
-bones store lipid and minerals
-site of hematopoiesis
Axial Skeleton
![card image](http://www.tooloop.com/wp-content/uploads/2013/11/human-axial-skeleton-pictures-580x656.jpg)
-bones that lie around the body's center of gravity
Appendicular Skeleton
![card image](http://www.tooloop.com/wp-content/uploads/2013/11/human-axial-skeleton-pictures-580x656.jpg)
-bones of the limbs or appendages
Articular cartilage
![card image](http://frontlinegraphics1.com/pt/images/knee.jpg)
-covers bone ends at movable joints
Costal cartilage
![card image](http://homepage.smc.edu/wissmann_paul/physnet/anatomynet/anatomy/costalcartilages.jpg)
-connects ribs to sternum
Laryngeal Cartilage
![card image](http://faculty.stcc.edu/AandP/AP/imagesAP2/respiration/larynx.jpg)
-constructs the larynx (voice box)
Tracheal & Bronchial Cartilage
![card image](http://www.highlands.edu/academics/divisions/scipe/biology/faculty/harnden/2122/images/trachea.jpg)
-reinforce passageways of the respiratory system
Nasal Cartilage
![card image](http://www.riversideonline.com/source/images/image_popup/sn7_noseanatomy.jpg)
-supports the external nose
Invertebral Discs
![card image](http://www.spineuniverse.com/sites/default/files/legacy-images/dp_latcutaway-BB.jpg)
-separates and cushions bones of the spine
Perichondrium
![card image](http://fce-study.netdna-ssl.com/images/upload-flashcards/front/3/0/57503751_m.jpg)
-dense connective tissue that surrounds cartilage
Hyaline Cartilage
![card image](http://www.seymourchiropractic.ca/images/glucopic.jpg)
-provides sturdy support with some resilience
-most skeletal cartilage is hyaline cartilage
Elastic Cartilage
-more flexible than hyaline cartilage
-located in the external ear and epiglottis
Fibrocartilage
-consists of rows of chondrocytes alternating with rows of thick collagen fibers
-great tensile strength, can withstand heavy compression
Compact Bone
-smooth and homogenous
Spongy Bone
-composed of small bars of bones and lots of open space
Long Bones
![card image](http://facinatingamazinganimals.files.wordpress.com/2012/05/bone_anatomy.gif?w=640)
-much longer than they are wide
-generally consists of a shaft with heads at either end
-predominantly composed of compact bone
-examples: femur & phalanges
Short Bones
![card image](http://www.nlm.nih.gov/medlineplus/ency/images/ency/fullsize/9889.jpg)
-typically cube shaped
-contains more spongy bone than compact bone
-example: tarsal and carpals
Flat Bones
![card image](http://o.quizlet.com/i/b07x6mWSiZnv6FOw-SzZnQ_m.jpg)
-generally thin with 2 wafer-like layers of compact bone sandwiching a layer of spongy bone between them
-many flat bones are curved
Irregular Bones
![card image](http://o.quizlet.com/i/pJyvsUg9AQ-c74PqM5j94w_m.jpg)
-bones that do not fall into any of the categories
-ex: vertebrae
Sesamoid Bones
![card image](http://o.quizlet.com/fOEKryvowae71tK65-woqA_m.jpg)
-special types of short bones formed in tendons
-Example: patellas
Sutural Bones
![card image](http://www.rci.rutgers.edu/~uzwiak/AnatPhys/APFallLect9_files/image002.jpg)
-tiny bones between cranial bones
Tuberosity
![card image](http://painandspinerehab.com/services_clip_image010.jpg)
-large rounded projection
Crest
![card image](http://www.primehealthchannel.com/wp-content/uploads/2011/05/Iliac-Crest-Pictures.jpg)
-narrow ridge of bone
Trochanter
![card image](http://classconnection.s3.amazonaws.com/295/flashcards/717295/jpg/posterior_-_greater_trochanter1318433753240.jpg)
-very large, blunt, irregulary shaped process
Line
![card image](http://classconnection.s3.amazonaws.com/449/flashcards/3149449/jpg/intertrochanteric_crest_of_femur1315536499360-13F64615A8F1C56F39B.jpg)
-narrow ridge of bone; less prominent than a crest
Tubercle
![card image](http://bodterms.weebly.com/uploads/5/4/1/9/5419033/2177790_orig.jpg)
- small rounded projection or process
Epicondyle
![card image](http://www.pt.ntu.edu.tw/hmchai/SurfaceAnatomy/SFAlower/KneeThigh.files/DistalFemurLandmark.png)
-raised area on or above a condyle
Spine
![card image](http://o.quizlet.com/i/4b1X3K5ZaQ8a5WtBMNZnLQ_m.jpg)
-sharp, slender, often pointed projection
Process
-any bony prominence
Head
![card image](http://o.quizlet.com/i/ylDJdAkC7W8tNba_WWLlAA_m.jpg)
-bony expansion carried on a narrow neck
Facet
![card image](http://o.quizlet.com/i/iU4uodwDCYOgRlyB8JoosA_m.jpg)
-smooth, nearly flat articular surface
Condyle
![card image](https://home.comcast.net/~wnor/poplitealfossabones.jpg)
-rounded articular projection
Ramus
![card image](http://www.proprofs.com/flashcards/upload/a179976.jpg)
-armlike bar of bone
Groove
-furrow
Fissure
-narrow, slitlike opening
Foramen
![card image](http://teleanatomy.com/General%20Anatomy/Introduction%20to%20Anatomy%203rd%20Edition/Skeletal%20system_files/image080.jpg)
-round or oval opening through a bone
Notch
![card image](http://classconnection.s3.amazonaws.com/507/flashcards/1998507/gif/fibulo1354832560292.gif)
-indentation at the edge of a structure
Meatus
-canal like passageway
Sinus
-bone cavity, filled with air and lined with mucous membrane
Fossa
-shallow basin-like depression in a bone
Diaphysis
![card image](http://facinatingamazinganimals.files.wordpress.com/2012/05/bone_anatomy.gif?w=640)
-the shaft of a bone
-composed of compact bone
-has a smooth surface
Periosteum
![card image](http://www.paradoja7.com/wp-content/uploads/2013/12/periosteum-anatomy.jpg)
-fibrous membrane covering the bone
Perforating Fibers
![card image](http://classconnection.s3.amazonaws.com/719/flashcards/1294719/jpg/image0081348348486315.jpg)
-fibers of the periosteum that penetrates into the bone
Osteoblasts and osteoclasts are found on the inner, or osteogenic layer of the _____________.
Periosteum
Epiphysis
![card image](http://img.tfd.com/mk/E/X2604-E-41.png)
-end of the long bong
-composed of a thin layer of compact bone that encloses spongy bone
Epiphyseal Plate
![card image](http://img.tfd.com/mk/E/X2604-E-41.png)
-thin area of hyaline cartilage that provides for longitudinal growth of the bone during youth
Medullary Cavity
![card image](http://faculty.weber.edu/nokazaki/Human_Biology/Chp%205%20The%20Skeletal%20System_files/image004.jpg)
-storage region for adipose tissue, or yellow bone marrow
Epiphyseal Lines
barely, discernible remnants
Central (Haversian) Canal
![card image](http://classconnection.s3.amazonaws.com/523/flashcards/1182523/png/bone_21330997318738.png)
-runs parallel to the long axis of the bone
-carries blood vessels, nerves, and lymphatic vessels through the bony matrix
Osteons
![card image](http://classconnection.s3.amazonaws.com/523/flashcards/1182523/png/bone_21330997318738.png)
the central canal and all the concentric lamellae surrounding it
Canaliculi
![card image](http://classconnection.s3.amazonaws.com/523/flashcards/1182523/png/bone_21330997318738.png)
-tiny canals radiating outward from a central canal to the lacunae of the first lamella and then lamella to lamella
-forms dense transportation networks through the hard bone matrix, connecting all the living cells of the osteon to the nutrient supply