2.2 Introduction to Bones and Joints Flashcards
a bone
Os
plural and adjective of Os
Ossa, osseous
a little bone
Ossicle
to form bones
Ossify
a deposit of calcium, not the formation of bone
Calcification
a wing
Ala
rounder knoblike projection of knuckle
Condyle
a horn
Cornu
a narrow ridge of bone
Crest
plural of cornua
Cornu
plural of crest
crista
a bony projection on or above a condyle
Epicondyle
a small hammer, a rounded bony prominence;
Malleolus
plural of Malleolus
malleoli
any definite or marked bony prominence
Process
a sharp slender process
Spine or spinous process
a sharp slender process
Styloid process
a very large rounded process
Trochanter
a small rounder process
Tubercle
a large rounded process
Tuberosity
a small pit or depression
Fovea
smooth articular surface
Facet
an older term for smooth articular surface of vertebrae
Facet
FUNCTIONS OF BONES
- Protection
- Support and framework
- Levers
Types of bones
- Long bones
- Short bones
- Flat bones
- Irregular bones
- Sesamoid bones
Humerus, radius, ulna, femur, tibia, fibula
Long bones
metacarpals, metatarsals, phalanges of the limbs
Miniature long bones
Carpal and tarsal bones
Short bones
Skull, scapula, ribs, sternum
Flat bones
Vertebrae, bones at the base of the skull
Irregular bones
a membrane that covers all bones with the exception of the articular surfaces
Periosteum
dense closely knit bone resembling ivory, made up of compact Haversian system
Compact bone or Cortical bone
porous loosely-knit bone similar in appearance to a sponge, or honeycomb or latticework
Spongy or cancellous bone
is a central cavity extending longitudinally in the shafts of long bones
Medullary cavity or marrow cavity
membrane that lines the medullary cavities of a long bones
Endosteum
It contains bone marrow
Medullary cavity or marrow cavity
tissue occupying the medullary cavities of long bones and the spaces in spongy bone
Bone marrow
2 Types of Bone marrow
- Red bone marrow
- Yellow bone marrow
become mature to become red bone marrow
Yellow bone marrow
small opening in the periosteum and open into a nutrient canal
Nutrient foramen
It carries a nerve and artery into bone, and provides a passage for veins and lymphatics
Nutrient foramen
are consists of thin layers of compact bone lie adjacent to the periosteum covering the external and internal surfaces
Flat bones