| Question |
Answer |
| These make up the bilaminar disk |
Epiblast and hypoblast |
| These make up the trilaminar |
Ectoderm, mesoderm, and endoderm |
| Mesoderm arises from this embryonic layer |
Ectoderm |
| Process where hormones stimulate the cell that produced them |
Autocrine |
| No cell membrane receptors cause this cellular outcome |
Cell death |
| The common innervation for 1st branchial arch |
V3 |
| The common innervation for 2nd branchial arch |
VII |
| Posterior 1/3 mucosa of the tongue arises from this branchial arch |
Third arch (hyposomthin) |
| These attract water into the developing secondary plate |
Mucopolysaccharides |
| These direct the growth of the maxilla and mandible |
Secondary cartilage |
| Bone formation mechanisms that requires cartilage model |
Endochrondrial ossification |
| Bone formation that occurs between connective tissue layers |
Intramembraneous ossification |
| Osteoblasts synthesize these 2 components |
Collagen and proteoglycans |
| All blood cells arise from |
Hemocytoblasts |
| This cell gives rise to platelets |
Megakaryocyte |
| Active in the suppression of allergic reactions |
Eosinophils |
| This cells releases histamine and heparin |
Basophiles |
| This material increases nerve conduction rate |
Myelination |
| To continue work without adequate amounts of oxygen |
Oxygen debt |
| Gaps in a nerve cells myelination |
Nodes of ranveir |
| Skeletal muscle ability to use more fibers as work load increases |
Recruitment |
| The embryonic origin of enamel |
Ectoderm |
| The embryonic origin of Dentin and pulp |
Ectomesenchyme |
| Odontogenic stage characterized by proliferation |
Bud stage |
| Cells which give rise to preameloblasts |
Inner enamel epithelium |
| Function of the reduced enamel epithelium |
Protect the erupting tooth |
| The outer enamel epithelium cell shape |
Cuboidal |
| No present cells |
Cells die |
| Cell has couple receptors |
Cells survive |
| Cells have more receptors |
Cells proliferate |
| Cells still have more receptors |
Cells differentiate |
| Aptosis |
Programmed cell death |
| One group of cells starting the development of another |
induction |
| Proliferation |
More cells |
| Interstitial |
Occurs deep within a tissue |
| Appositional |
Addition "outer" layers cells |
| Implantation |
Til day 7 |
| Amniotic cavity |
Fluid filled, next to epiblast |
| Yolk sac |
Provides nourishment until placenta is established. Next to hypoblast |
| Formed from migration of epiblast |
Mesenchymal cells |
| Complete migration |
Trilaminar disc |
| Epiblast to |
Ectoderm |
| Messenchymal to |
Mesoderm |
| Hypoblast to |
Endoderm |
| Common innervation of third arch |
IX, forms parts of hyoid contributes to tongue |
| Common innervation for 4th and 6th arch |
IX and X, larynx pharynx muscles and laryngeal cartilage |
| Anterior sensory |
2/3 – V3 |
| Taste |
2/3, VII |
| Posterior 1/3 |
Glossopharyngeal |
| Arch 1 |
Mandibular, trigeminal V |
| Secondary palate formation starts at? |
7th to 8th week , create separation between nasal and oral cavities |
| When does the tongue form? When does the tongue withdraw? |
Starts at 4 weeks… After the 7th week |
| Treacher collins syndrome |
Failure of neural crest cells to migrate to the facial region |
| Does meckels cartilage make contribution to the mandible? |
No |
| Where does condensation of messenchyme and bone formation start? |
Where inferior alveolar never bifurcates |
| Meckels cartilage |
The fate of cartilage. -malleus of the middle ear -spenomandibular ligament -resr of cartilage is completely resorbed |
| Condylar cartilage is converted through what |
Endochrondrial ossification |
| Coronoid cartilage provides for? |
The anterior border and superior most aspects of the coronoid process |
| How many major cellular compartments are there |
7, nucleus, cytosol, endoplasmic reticulum, golgi complex, mitochondria, lysosomes, perioxisomes |
| Distribution center |
Golgi apparatus |
| Golgi apparatus functions |
Principle directors of macromolecules |
| Mitochondria function |
1 glucose= 36 ATP, without these oxidation reactions, glycosis produce only 2 atp for 1 glucose |
| Primary lysosome |
Contains hydrolytic enzymes |
| Secondary lysosome |
Combines with a vacuole of vesicle |
| Intermediate filaments |
Most stable protein filaments |
| Desmosome |
Disc shaped spot weld between 2 cells |
| Hemidesmosome |
A connective tissue attachment between cellular and non cellular structures |
| Tumor of enamel, dentin, pulp and cementum |
Odontoma |
| Hertwigs epithelial root sheath |
Will determine size, shape, and number of roots.Roots completed; will disintegrate and become epithelial rests of malassez |
| Formation of dental tissues |
1. Repolarization of preameloblasts 2.repolarization of odontoblast 3.odontoblast secrete collagenous matrix 4.ameloblasts secrete protein matrix |
| Stratified |
2 or more cell layers , transitional:bladder |
| Unstratisfied |
Single layer, columnar:inner enamel epithelium |
| Can cartilage renew |
No |
| Mature osteoblasts |
Osteocytes |
| Processes from osteocytes |
Canaliculi |
| What is is plasma |
Albumin, globulin, fibrinogen. More plasma then formed elements |
| What is the majority of formed elements |
Red blood cells |
| What does hemoglobin contain |
4 heme groups and 1 iron (Fe) |
| Mamelons |
Incisal edge evidence of fusion of adjacent lobes |
| Afferent? Efferent? |
Sensory. Motor |
| Solid rigid |
Bone |
| Fluid |
Blood and lymph |
| Solid |
Cartilage |
| Majority of lymphocytes |
T-lymphocytes . Cellular arm of the immune response |
| Granulomere |
Seratonin |
| Skeletal is.. smooth is.. cardiac is.. |
Voluntary, involuntary, involuntary |
| The daily process of the development of teeth |
Striae of retzius |
| Cementoblast, pdl, and bone forms what |
Cementum |
| What happens during apposition |
Cells put down matrix |
| What happens during maturation |
Mineralization of matrix |
| In the cap stage, what will become the future Dentin and pulp |
Dental papilla |
| Which stage occurs during the 9th and 10th week |
Cap, |
| Incisors and canines develop from |
4 lobes |
| Mand first molars develop from |
5 lobes |
| Max and mand second molars develop from |
4 lobes |
| Initiation involves interaction between |
Ectoderm and mesenchymal tissues |
| The dental sac is |
Mesenchymal |
| The inner cells of the dental Papilla give rise to |
Pulp |
| The outer cells of the dental Papilla give rise to |
Dentin |
| The cementum arises from the |
Dental sac |
| Development of the stellate reticulum is from |
Desmosomes and glyocsaminoglycans |