Tissues; Intro to Skeletal System Flashcards
Axial Skeleton
Skull
Hyoid bone
Vertebral column
Ribs
Sternum
Auditory ossicles
Appendicular skeleton
Pectoral girdle
Clavicle
Scapula
Upper limb
Humerus
Radius
Ulna
Carpals
Metacarpals
Phalanges
Pelvic girdle
Hip bone
Lower limb
Femur
Patella
Tibia
Fibula
Tarsals
Metatarsals
Phalanges (2)
Projections
Articulations/Attachment pts for Muscles/Ligaments
locate; arise from surface of Bones
Process
general term for projection from the surface of Bone
Tubercle
Small bump on Bone
Tuberosity
Big Rough area on Bone
Spine
Short Sharp projection
Condyle
Smooth surface that articulates w/another bone
Epicondyle
projection ABOVE a Condyle
Head
Terminal projection that articulates w/another bone
Neck
constriction BELOW the Head
Crest
Elevated ridge of Bone
Line
smaller elevation than a crest
Facet
smooth flat Face
Trochanter
big bump (on FEMUR)
Ramus
branch
Depressions
occur on surface of Bone
Passageways
Cavities
ENCLOSED spaces in bones
Foramen
a HOLE
Sinus
a CAVITY
Meatus/ Canal
a HOLE
Fossa
DEPRESSION in Bone
Notch
DEEP Cut-out
Groove/ Sulcus
Elongated Depression
Fissure
Long Deep CLEFT
Organic material
cells and collagenous fibers (1/3)
Inorganic material
hydroxyapatite (calcium phosphate) and calcium carbonate (2/3)
Hydroxyatapatite
Epiphyses
proximal and distal ends of Bones
Diaphysis
SHAFT
Articular cartilage
Epiphyseal plate
hyaline cartilage between
epiphyses and diaphysis serving as a growth zone
Epiphyseal line
remnants of the plate
Compact (DENSE) bone
Spongy (CANCELLOUS) bone
Trabeculae
thin rods or plates of bone that run in the direction of stress
Marrow (MEDULLARY) Cavity
INNERMOST Hollow section of Bone
Red marrow
forms BLOOD
Yellow Marrow
consist; ADIPOSE Tissue
Diploe
SPONGY Bone found in CRANIAL Bones
Nutrient Foramina
HOLES that allow for Blood vessel passage
Perforating (VOLKMANN) canals
func; Pass through COMPACT bone
Periosteum
DENSE C.T. sheath COVERS surface of Bone
Tendons
Perforating fibers
Ligaments
Endosteum
C.T. lines MEDULLARY Cavities of Bone
Ground bone
Osteon
Central (HAVERSIAN) canal
HOLE in Center of OSTEON
func; HOUSES Blood vessels/Nerves
Perforating canals
func; CARRY Nutrients horizontally
Lamellae
Rings of Bone Tissue around Central canal
Lacunae
DARK spaces, hold OSTEOCYTES
Canaliculi
Small canals
func; acts as PASSAGEWAYS
Concentric lamellae
locate; surrounds Central canal
Osteoblasts
BONE forming cells
func; SECRETE Collagen fibers & Calcium salts
Osteocytes
MATURE bone cells
Osteoclasts
Bone dissolving macrophages formed by FUSION of Stem cells
func; REMOVE Collagen & Minerals
Osteogenic cells
locate: Stem cells in Periosteum, Endosteum & Central canals