painful joint
Progress Signs
Spontaneous fracture, compression fracture, curvature of the long bone, poor tooth development
Clinical signs
History (particulary diet history)
Blood work (Note : Ca & P concentrations are not necessarily altered)
Radiographs (often see wide cartilageous epiphyseal plate)
Do not use supplement
→ Balanced commercial food
Supportive care
bone structure of men is larger, on average, than that of women.
___ (b) Men's and women's bodies develop in different ways.
(2) ___ (a) The wood of the acacia tree is so hard it can be used to manufacture products.
___ (b) Acacia wood is used to make furniture.
(3) ___ (a) The effects of heat include body sweat and muscle pain.
___ (b) Hot weather causes a variety of problems.
(4) ___
remove the nucleus from the egg
cell fusion
cultivate fertilized egg in the lab for a week.
extract stem cells from the embryo
develop them into specialized body cells
- blood, nerve, spinal cords
Potential for discovering treatments and cures.
Improving the quality and lengthen human lives.
- Cornerstone of medical technology development.
Stem cell research allowed only
bone : 모든 뼈의 표층은 밀집된 골세포로 구성되어 이는 단단하고 불투명하다. 밀집된 compact bone 은 중앙에 있는 다공질의 뼈 cancellous bone을 감싸고 있다. 다공질의 뼈 속에 있는 공간은 적색골수로 채워져 있다. 그러나 장골은 황색 골수로 채워져 있다.
1. 뼈의 역할
1) 지탱 support - 가동할 수 있는 범위