
upkala jarh aavaran

heartwig epithelial root sheeth (hers) yaa epithelial root sheeth ack vikaasheel daant mein tamchini anga key grieva loop mein sthit epithelial koshikaon kaa prasaar haye. heartig epithelial root sheeth dunt pepila seey odontoblast key antar kaa kaaran bunn curr daant kii jarh mein dentin key gathan kii shuruat kartaa haye. jarh aavaran antatah periodontal ligament key saath vighatit hoe jaataa haye, lekin avashisht tukade joe poori tarah seey gayab naheen hotey hain, unhein malasses (arm) key upkala koshika key roop mein dekhaa jaataa haye. yeye vishram cystic bunn sakate hain, joe bhavishya mein periodontal sankraman prastut karate hain.
sanrachana.
heartig epithelial root sheeth tamchini anga key aantarik aur baahari tamchini epithelium seey praapt hotaa haye.
kaary.
aavaran kaee yaa sahayak jadon (madhya vriddhi) aur jarh mein paarshv yaa sahayak naharon (upkala mein tootana) key liye bhee jimmedaar haye. yeh vivadaspad haye, lekin uska cementgenon aur cementum key sraav mein shamil hoe sakata haye, yaa usake vyutpann utpaad tamchini seey sambandhit anuon seey sambandhit hoe sakate hain, aur yeye protein accellular cementum gathan shuru curr sakate hain.
anya janwar.
jabaki standhaariyon mein yeh ack kshanik sanrachana haye, ubhaycharon mein yeh kamobesh ack sthaayi sanrachana haye. yahaan jarh upkala standhaariyon kii tarah fenestrate naheen hoti haye. kasheruki jeevon key bheetar unake vikas key 3 alag-alag charanon koo dekhaa jaa sakata haye.
itihas.
kissy bhee standhari prajaati mein heartig epithelial root sheeth kii khoj naheen kii gaee thee. isake bajaay iss upkala sanrachana kii khoj 1874 mein auskar heartwig dwara ack ubhayachar mein kii gaee thee (anya jaanvaron mein aage kii charcha key liye neeche diye gaye notes dekhein).

