1 - 25 of 134
Number of results to display per page
TitleDescriptionSubjectCollection
1 Acellular cementum in the tooth (longitudinal segment of coronal half of root; high magnification; human, adult)Stain: Hematoxylin and eosin. From left to right: periodontal ligament with collagen fibers; flattened cementoblasts followed by a thin seam of pink cementoid; darker stained acellular cementum, the so-called acellular extrinsic fiber cementum as collagen fibers protrude from the periodontal ligamen...oral cavity; acellular cementum; Sharpey's fibers; incremental linesPoja Histology Collection - Oral Cavity Subset
2 Acellular cementum in the tooth (longitudinal segment of coronal half of root; human, adult)Stain: Hematoxylin and eosin. From left to right: periodontal ligament with blood vessels; flattened cementoblasts followed by a thin seam of pink cementoid; darker stained acellular cementum, the so-called acellular extrinsic fiber cementum as collagen fibres protrude from the periodontal ligament ...oral cavity; acellular cementum; Sharpey's fibers; incremental linesPoja Histology Collection - Oral Cavity Subset
3 Advanced bell stage with ameloblasts and odontoblasts in tooth development - human embryoStain: Azan. From top to bottom: Stellate reticulum consisting of a non-vascularized network of ectoderm-derived cells; Cell layers of the stratum intermedium; Columnar (presecretory) ameloblasts with their upper side (nuclear area) in close contact with the stratum intermedium, and at the distal si...oral cavity; predentinPoja Histology Collection - Oral Cavity Subset
4 Ameloblasts and odontoblasts in tooth development - advanced bell stage, human, embryoStain: Azan. From top to bottom: Stellate reticulum consisting of a loose network of ectoderm-derived cells; Cell layers of the stratum intermedium; Columnar presecretory ameloblasts with their nuclear area close to the stratum intermedium, and at the distal side (secretion area) oriented towards pr...oral cavity; predentinPoja Histology Collection - Oral Cavity Subset
5 Ameloblasts and odontoblasts in tooth development - advanced bell stage, human, embryoStain: Hematoxylin and eosin. From top to bottom: Stellate reticulum consisting of a loose network of ectoderm-derived cells; Cell layers of the stratum intermedium; Palisade-arranged columnar presecretory ameloblasts at the distal side oriented towards the basal lamina enforced by deposited collage...oral cavityPoja Histology Collection - Oral Cavity Subset
6 Ameloblasts and odontoblasts in tooth development - advanced bell stage, human, embryo; high magnificationStain: Azan. From top to bottom: A cell layer of the stratum intermedium; Columnar presecretory ameloblasts at the distal side (secretion area) oriented towards predentin (blue); Note a gradient from left to right in the amount of deposited collagen fibers; Tall columnar odontoblasts in an epithelio...oral cavityPoja Histology Collection - Oral Cavity Subset
7 Ameloblasts and odontoblasts in tooth development - advanced bell stage, human, embryo CR 80 mmScheme electronmicroscopy. From top to bottom: Stellate reticulum consisting of a non-vascularized network of ectoderm-derived cells continuous with the cell layers of the stratum intermedium; Columnar presecretory ameloblasts with their upper side (nuclear area) in close contact with the stratum in...oral cavity; predentinPoja Histology Collection - Oral Cavity Subset
8 Ameloblasts and odontoblasts in tooth development - bell stage, human, embryoStain: Azan. From top to bottom: Stellate reticulum consisting of a loose network of ectoderm-derived cells; Cell layers of the stratum intermedium; Palisade-arranged tall columnar secretory ameloblasts with their nuclear area close to the stratum intermedium. The distal side of the cell is oriented...oral cavity; predentinPoja Histology Collection - Oral Cavity Subset
9 Ameloblasts and odontoblasts in tooth development - early bell stage, human, embryo; high magnificationStain: Azan. From top to bottom: Presecretory ameloblasts with the distal side (secretion area) oriented towards the basal lamina intertwined with the tangential cut blue stained Korff's fibers (collagen) in predentin. Columnar odontoblasts in a epithelioid arrangement with their secretion area clos...oral cavity; predentin; Korff's fibersPoja Histology Collection - Oral Cavity Subset
10 Apex of the tooth in osseus socket - alveolus; longitudinal section; human, adultStain: Hematoxylin and eosin. From top to bottom: apex region with two tips of dentin covered with cement (darker stained rim; left and right side); note at right tip a dark calcified spot (free cementicle); centrally pulp canal between the tips filled with connective tissue containing blood vessels...oral cavity; alveolar bone; apical foramen; pulp canalPoja Histology Collection - Oral Cavity Subset
11 Attached denticulus (pulp stone) in the tooth - longitudinal section of root; human, adult.Stain: Hematoxylin and eosin. From left to right: dentin (purple stained) with dentin tubules; small lightly stained rim of predentin; layers of odontoblasts; irregular structured pulp stone attached to dentin; this false denticle consists of calcified layers with collagen fibers surrounding debris;...oral cavity; denticulus; pulp stonePoja Histology Collection - Oral Cavity Subset
12 Basal lamina between ameloblasts and odontoblasts in tooth development - advanced bell stage, rat embryoStain: Anti-collagen IV immunoperoxidase and hematoxylin counterstained. From top to bottom: Stellate reticulum; Stratum intermedium; Ameloblasts at the distal side oriented towards the basal lamina intermingled with the Korffs' fibers (collagen, brown-black); Odontoblasts; Brown-black stained struc...oral cavity; basal lamina; collagen IVPoja Histology Collection - Oral Cavity Subset
13 Bell stage of the tooth development - human, embryo; low magnificationStain: Azan. From top to bottom: Stratified ectoderm with a distinct basal layer (red line) of cuboid cells; Dental lamina giving rise to the bell stage (left) and to the primordium of permanent tooth (right); Odontogenic organ (future deciduous tooth) surrounded by fibrous tooth follicle; Out...oral cavity; dental lamina; predentinPoja Histology Collection - Oral Cavity Subset
14 Bud stage outgrowth in tooth development - tooth germ, human, embryoStain: hematoxylin. At the top stratified ectoderm continuous with the former epithelial tooth bud that abuts toward the underlying neural crest-derived mesenchymal cells. A basal lamina delimits the palisade-arranged epithelial cells from the surrounding dense aggregate of mesenchymal cells.oral cavity; tooth bud; tooth developmentPoja Histology Collection - Oral Cavity Subset
15 Cellular cementum of the tooth - longitudinal section of root; human, adult. Thin ground section.Stain: Hematoxylin and eosin. From left to right: remnants of fibers in periodontal ligament (dark band); cementum wih dark lacunae with projecting canaliculi, originally occupied by cementocytes and their processes (broad area); dentinocemental junction; and superficial dentin with S-shaped course ...oral cavity; cementocytesPoja Histology Collection - Oral Cavity Subset
16 Cervical loop in tooth development - late cap stage, human, embryoStain: Azan. From left to right: Dental papilla; Thin basement membrane; Columnar inner dental epithelium (presecretory ameloblasts); Stellate reticulum; Cuboidal outer dental epithelium; Fibrous tooth follicle; Note the transition from inner to outer dental epithelium (cervical loop).oral cavity; cervical loopPoja Histology Collection - Oral Cavity Subset
17 Cross section of tooth in alveolar bone - catStain: Picric acid and hematoxylin. From left to right: alveolar bone covered with a woven type bone (bundle bone) tissue (stained darkly purple); yellow stained periodontal ligament with heavy collagen fibers (horizontal fibers) and blood vessels; bone-related part with Sharpey's fibers followed by...oral cavity; alveolar bonePoja Histology Collection - Oral Cavity Subset
18 Cross section of tooth in alveolar bone - cat; low magnificationStain: Picric acid and hematoxylin. From left to right: alveolar bone tissue with osteons; periodontal ligament with blood vessels; acellular cementum (dark purple rim); dentin with (purple) radiair arrangement of dentinal tubules; fine incremental (imbrication) lines of von Ebner run at right angl...oral cavity; incremental lines; alveolar bonePoja Histology Collection - Oral Cavity Subset
19 Cross-section of tooth in alveolar bone (cat, adult)Stain: Picric acid and hematoxylin. From left to right: Periodontal ligament with blood vessels. Acellular cementum (dark purple rim). Dentin with radiair arrangement of dentinal tubules; fine incremental (imbrication) lines of von Ebner run at right angles to these tubules. These lines represent di...oral cavity; incremental lines; von EbnerPoja Histology Collection - Oral Cavity Subset
20 Dentin in cross section of tooth (human, adult)Stain: Hematoxylin and eosin. Longitudinally sectioned dentinal tubules are parallely arranged, and numerous side branches are visible.oral cavity; dentinal tubulesPoja Histology Collection - Oral Cavity Subset
21 Dentin in cross section of tooth - human, adultStain: Hematoxylin and eosin. Cross-sectioned dentinal tubules demonstrate: a light stained center with the odontoblastic process (Tomes' fiber); darker stained peritubular dentin (highly mineralized), also called Neuman's sheath. Intertubular dentin (less mineralized) is present between the tubule...oral cavity; dentinal tubules; secondary dentinPoja Histology Collection - Oral Cavity Subset
22 Dentinal tubules in longitudinal section of tooth - human, adult. Thin ground section, polarizing microscopy - optical axes of the polarizing plates are crossed at 60.Slightly oblique section shows dentinal tubules depicted by brown-stained hollow fiber-like structures containing odontoblastic processes (Tomes' fibers) in a semi-three dimensional way. Numerous fine secondary branches of these processes are anastomosing with those of neighboring tubules.oral cavity; Tomes' Fibers; dentinal tubulesPoja Histology Collection - Oral Cavity Subset
23 Dentinal tubules in longitudinal section of tooth - human, adult. Thin ground section, polarizing microscopy - optical axes of the polarizing plates are crossed at 60.Slightly oblique section shows dentinal tubules depicted by brown-stained hollow fiber-like containing odontoblastic processes (Tomes' fibers) in a semi-three dimensional way ('stubble-field' aspect). Darker stained clusters represent anastomosing secondary branches.oral cavity; Tomes' Fibers; dentinal tubulesPoja Histology Collection - Oral Cavity Subset
24 Dentinal tubules in longitudinal section of tooth - human, adult. Thin ground section, polarizing microscopy - optical axes of the polarizing plates are crossed at 60.Slightly oblique section shows dentinal tubules depicted by brown-stained stubble structures containing odontoblastic processes (Tomes' fibers) in a semi-three dimensional way. Numerous fine branches of these processes are obvious in dentin.oral cavity; Tomes' Fibers; dentinal tubulesPoja Histology Collection - Oral Cavity Subset
25 Dentinoenamel junction in longitudinal section of tooth (human, adult). Thin ground section.From left to right: Enamel with fine striation (course of enamel rods or prisms). Few enamel tufts (left, dark) consisting of hypocalcified enamel rods and interprismatic substance arise from the junction. Scallop-like course of dentinoenamel junction. Dentin with dentinal tubules to the dentinoenam...oral cavity; enamel tufts; dentinoenamel junction; dentinal tubulesPoja Histology Collection - Oral Cavity Subset
1 - 25 of 134