Quiz 2 Flashcards
Sagittal Suture
between Parietal Bones of the skull
Coronal Suture
between Frontal & parietal bones of skull
Lambdoid Suture
between occipital & Parietal bones of skull
Foramen magnum
hole in the base of skull where spinal cord protrudes
Cervical Curve
7 Vertebrae
+ Atlas - Transverse foramen, posterior arch
+ Axis - Transverse forman, Dens, Blind spinous process
Thoracic Curve
12 vertebrae
Sacral Curve
5 vertebrae
Lumbar Curve
5 vertebrae
coccyx
1 vertebree
Ribs
12 total
+ 7 “True” ribs
+ 5 “False” ribs (last 2 floating)
Foramen
opening/hole in bone
Spinous process
projects from the junction of the laminate attachment for muscles
Scapula
+ Acromion
+ Coracoid process
+ Glenoid cavity
Appendicular Skeleton
limbs and hips
Axis Skeleton
Organ protection
Lower Limbs
Largest –> smallest
1) Femur
2) Tibia
3) Fibia
Upper Limbs
Largest –> smallest
1) Humerus
2) Radius
3) Ulna
Bone Cells
1) Osteoblast - bone building
2) osteocytes - mature, main bone cells, maintain daily metabolism, exchange nutrients and waste
3) Osteoclast - release lysomal enzymes, digest protein & minerals of bome, repair of bone
Endochondral Ossification
replacement of cartilage by bone
Intramembranous ossification
bone forms directly with mesenchyme arrangement in sheet like layers that resemble membranes
