2.1 ANATOMY - Intro Flashcards
(44 cards)
Most impt function of the skeletal system
Support of the body
Number of bones in the skeleton
206
2 basic types of bone tissue
Compact and spongy bone
Other name for spongy bone
Cancellous bone
Examples of long bones
Humerus
Femur
Example of irregular bones
Vertebra
Hip
Example of short bones
Carpals
Tarsals
Examples of flat bones
Skull
Ribs
Sternum
The epiphysis is composed mainly of ____ bone
Spongy
The external surface of the epiphyses of long bones are usually covered by
Articular cartilage
Articular cartilage is usually made of
Hyaline cartilage
The medullary cavity of long bones contains what? (Adults and infants)
Adults - yellow marrow
Infants - red marrow
3 types of cartilage
Hyaline
Elastic
Fibrous
3 types of fibers
Collagen
Elastic
Reticular
The axial skeleton is divided into three parts
Skull
Vertebral column
Bony thorax
The appendicular skeleton is divided into
Limbs
Pectoral girdle
Pelvic girdle
All supporting tissues come from which germ layer
Mesoderm
4 types of cells present in bone tissue
Osteogenic cells
Osteoblasts
Osteocytes
Osteoclasts
What is the germ layer of origin if the humerus?
Somatic mesoderm
In which zone of osteogenesis would accumulate glycogen?
Zone of hypertrophy
Zones of osteogenesis
Resting zone Zone of proliferation Zone of hypertrophy Zone of calcification Zone of ossification
Immovable joints are also known as
Synarthroses
Site at which chondrocytes divide
Resting zone
Zone of osteogenesis
Contains vacuoles and accumulate glycogen
Zone of hypertrophy