Shape of odontoblasts in:
Cuboidal or pyramidal;
Junctions between odontoblasts? (3)
- Gap junctions
- Tight junction
Allows passage of water and small molecules?
Forms an impermeable barrier to fluids, ions, and molecules?
Binds odontoblasts together?
Other terms for cell free zone?
Zone of Weil or subodontoblastic nucleus poor zone
True or false. Cell free zone is more prominent in radicular pulp?
False. Prominent in coronal pulp
Describe the apperance of cell free zone.
Fibrous without cells
Area for mobilization of replacement of odontoblasts?
Cell free zone
Myelinated fibers of pulp?
Plexus of Raschkow
Unmyelinated fibers of pulp?
Another term for cell rich zone?
Cell rich zone contains what type of cells? (2)
- Undifferentiated mesenchymal cells
Components of pulp core? (4)
- Principall cells
- Immunocompetent cells
- Blood vessels
Principal cells of the pulp? (5)
- Undifferentiated ectomesenchymal cells
Undifferentiated mesenchymal cells
Serves as contractile cells capable of vascular constriction?
Another term for pericytes?
Immunocompetent cells. (3)
It presents antigen to lymphocytes?
Located peripherally and functions to presents antigen to T cells?
Only non phagocytic immunocompetent cells?
Involved in specific immune response?
Vessels of the pulp?
Superior and inferior alveolar arteries and veins
Innervation of the pulp? (2)
- Trigeminal nerve
- Superior cervical ganglion
True or false. Plexus of raschkow is absent in radicular pulp.
Embryonic origin of pulp?
Apical boundary of dental papilla?
Epithelial diaphragm is formed when HERS bends at what angle?
Progressive narrowing of the pulp?