Skeleton 1 Flashcards
Fontanels
The gaps between bones
Types of Fontanels
- frontal
- occipital
- sphenoid
- mastoid
Types of sutures
- coronal
- lamboidal
- squamousal
- sagital
Skull cavities
- cranial
- orbital
- nasal
- oral
- middle/inner ear
Sinuses
Empty space inside a single bone
Type of sinuses
- frontal
- ethmoid
- sphenoid
- maxillary
Function of hyoid bone
Serves as attachment point for tongue and several muscles
Parts of skeletal system
- bones
- joints
- cartilage
- ligaments
- tendons
Functions of skeletal system
- support
- protection
- movement
- blood cell formation
- storage of salts
- detoxification
of bones in the human body
206
Axial skeleton
Head, neck and trunk
Appendicular skeleton
Limbs and bones connecting them to axial
Osteoprogenitor
Stem cells that make osteoblasts
Osteoblasts
Generate new bone matrix
Osteocyte
Non-dividing osteoblasts than maintain matrix
Osteoclasts
Erodes bone minerals by secreting acids and enzymes
Types of tissue found in bone
- bone
- cartilage
- connective tissue
- blood
- nervous tissue
How bones are classified
- shape
- tissue organization
- bone markings
Types of bone shapes
- long
- short
- flat
- irregular
- sutural
- sesamoid
Central canal
Opening in center of osteon that carries blood vessels and nerves
Perforating canal
Canal perpendicular to the central canal
Lacunae
Cavities containing bone cells
Lamella
Rings around central canal
Canalicuti
Transport system of tiny canals
Marrow is found in
Medullary cavitiy