Enamel
√ Hard and white substance covering the teeth
√ The hardest and most highly mineralized
√ Protects the fragile underlying parts of the teeth
√ Covers the crown and supported by dentin
Component of enamel
√ 96% of enamel : mineral, water, organic material
√ contain two unique classes of proteins amelogenins and enamelins
√ The basic unit of enamel is called
Protect underlying tissues from injury: mechanical, heat, cold, biological
Prevent excess water loss
Act as a temperature regulator
Serve as a reservoir for food and water: adipose tissue
Serve as a sense organ for cutaneous senses: pain, heat, cold, pressure, touch
Prevent entrance of foreign bodies: microorganisms.
Epidermis
Keratinocytes, melanocytes
About 0.2mm thickness
Provide v
경골(bone) 형성을 위한 주형으로 작용한다. 즉 endochondral bone formation 과정에서 분화된 연골세포는 비대연골세포(hypertrophic chondrocytes)로 성숙되고 이어 세포고사(apoptosis)에 의해 빈공간을 남기게 되면 이 공간을 따라 혈관이 형성되어 조골세포(osteoblast)가 유입됨으로서 경골을 형성 하게 된다
Endothelial Cell Coculture Within Tissue-Engineered
Cardiomyocyte Sheets Enhances Neovascularization
and Improves Cardiac Function of Ischemic Hearts
Department of Cardiovascular MedicineInstitute of Health BiosciencesThe University of Tokushima Graduate School
Limitation
Lack of organ donors
Complications associated with immune
suppressive treatments
A. EMERGENCY TREATMENT
1. keep airway
- foreign body에 의해 airway obstruction이 발생하였을 때는 즉시 손가락이나
흡인기를 이용하여 기도내 이물을 제거해야 한다
- 다발성 외상이나 안면골 골절 시는 심한 부종으로 airway obstruction이 발생할
수 있으며 이 때는 nasotracheal intubation을 하고 이것이