Health Education Assets Library (HEAL)
 
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TitleDescriptionSubjectCollection
176 Prostate adenocarcinomaSlide shows a 20X image of prostate adenocarcinoma, Gleason grade 3, Score 6 infiltrating between benign prostate glands. Note the larger nuclei with prominent nucleoli in the carcinoma compared to the adjacent benign glands.Gleason grade 3; Prostate AdenocarcinomaHEAL Reviewed Collection
177 Prostate adenocarcinomaSlide shows a 40X image of prostate adenocarcinoma, Gleason grade 3, Score 6 infiltrating between benign prostate glands. Note the larger nuclei with prominent nucleoli in the carcinoma compared to the adjacent benign glands.Prostate Adenocarcinoma; Gleason, grade 3HEAL Reviewed Collection
178 Prostate adenocarcinomaSlide shows a 10X image of prostate adenocarcinoma, Gleason grade 3, Score 6 infiltrating between benign prostate glands.Gleason grade 3HEAL Reviewed Collection
179 Pulpo-dentinal complex - segment of a tooth; human, adultStain: Hematoxylin and eosin. At the pulp-dentin border the peripheral pulp appears to be a specialized odontogenic region composed of odontoblasts, a cell-free zone and a cell-rich zone. From left to right: dentin (note striation due to dentinal tubules); (uncalcified) light stained predentin. At t...oral cavity; Tomes' Fibers; dentinal tubules; predentinPoja Histology Collection - Oral Cavity Subset
180 Pulpo-dentinal complex of the tooth (human, adult).Stain: Hematoxylin and eosin. At the pulpo-dentinal border the peripheral pulp appears to be a specialized odontogenic region composed of odontoblasts, a cell-free zone and a cell-rich zone; from left to right: Dentin (note striation due to dentinal tubules). (Uncalcified) Light stained predentin. A...oral cavity; Tomes' Fibers; dentinal tubules; predentinPoja Histology Collection - Oral Cavity Subset
181 Pulp stones in root of tooth - longitudinal section, human, adultStain: Hematoxylin and eosin. Left and right side dark stained dentin with a small light rim of predentin. Centrally pulp stones represent as free lying irregular calcifications. They are found diffusely distributed as spots or as thin strands following blood vessels and bundles of collagen fibers i...oral cavity; pulp stone; diffuse calcificationsPoja Histology Collection - Oral Cavity Subset
182 Pulp chamber of tooth - human, adultStain: Hematoxylin and eosin. Pulpal connective tissue is a special type of tissue (stromal tissue) with so-called stellate-shaped pulpal fibroblastic cells that produce growth factors, extracellular matrix including thin collageneous proteins. Blood vessels are small and thin-walled; macrophages an...oral cavity; pulp chamber; pulp fibroblastPoja Histology Collection - Oral Cavity Subset
183 Pulpo-dentinal complex in longitudinal section of tooth - damaged dentin, human, adultStain: Hematoxylin and eosin. If odontoblastic processes are damaged, (e.g., erosion, caries, etc.), the entire cell will degenerate, though it may be able to produce dentin. From left to right: - irregular course of dentinal tubules; - light stained (damaged) area contain no tubules; - pulp connect...oral cavityPoja Histology Collection - Oral Cavity Subset
184 Pulpo-dentinal complex in longitudinal section of tooth - secondary dentin, human, adultStain: Hematoxylin and eosin. From left to right: - dentinal tubules as fine striation in dentin; - vertical course of incremental lines (von Ebner); - a darker stained broad zone of secondary dentin; - pulp chamber with crowding of odontoblasts close to secondary, newly formed dentin; - connective ...oral cavity; secondary dentinPoja Histology Collection - Oral Cavity Subset
185 Pulp canal of tooth - longitudinal section; human, adultStain: Hematoxylin and eosin. Centrally three thick nerve bundles. In between blood vessel filled with erythrocytes. At the right side longitudinal course of slender thin-walled blood vessels (arterioles) which pass into thin-walled capillaries with a wide lumen.oral cavity; pulp canalPoja Histology Collection - Oral Cavity Subset
186 Renal corpuscleThis section of renal corpuscle clearly shows the glomerulus with vascular and urinary poles. Adjacent to the vascular pole is the macula densa region of the distal tubule. At the urinary pole, the proximal convoluted tubule drains the urinary space.Renal CorpuscleHEAL Reviewed Collection
187 Renal corpuscleThe section of renal corpuscle includes the parietal layer of the renal capsule, urinary space and glomerulus. The vascular pole and macula densa region of the distal tubule are represented.Renal CorpuscleHEAL Reviewed Collection
188 Scheme of appendix ('gut-associated lymphatic tissue' or GALT) (human)Survey vermiform appendix (see also Digestive System: Appendix) A large amount of non-encapsulated diffuse lymphatic tissue or mucosa-associated lymphatic tissue (MALT) is located in the subepithelial lamina propria (e.g. respiratory passages, genitourinary tract). The gut-associated lymphatic tis...GALT; follicle; scheme; germinal centerPoja Histology Collection - Lymphatic Tissues and Organs Subset
189 Scheme of cross sectional tooth in alveolar bone - catA. Survey of tooth (in alveolar bone) magnification x 30 objective. B. Peripheral part of tooth (in alveolar bone) magnification x 300 objective. 1. radicular pulp; 2. odontoblast layer; 3. dentin (radial arranged dentinal tubules); 4. Tomes' granular layer; 5. cementum; 6. fibers of period...oral cavity; alveolar bonePoja Histology Collection - Oral Cavity Subset
190 Root of tooth within osseous socket - cross-section; human, adultStain: Hematoxylin and eosin. From left to right: bundle bone of alveolus; oblique fibers of periodontal ligament with blood vessels (broad layer); flattened cementoblasts settled on a thin light rim of cementoid; darker stained acellular cementum, the so-called acellular extrinsic fiber cementum a...oral cavity; acellular cementumPoja Histology Collection - Oral Cavity Subset
191 Sagittal section through tooth buds in jaws during tooth development - human, embryo, 6 weeks; low magnificationStain: hematoxylin and eosin. At the top the upper jaw (maxilla) opposite the lower jaw (mandible). At the right side part of the tongue in the oral cavity. Arrows point to epithelial proliferations (future tooth bud formation) that are surrounded by condensation of mesenchymal cells (neural crest m...oral cavity; tooth bud; tooth developmentPoja Histology Collection - Oral Cavity Subset
192 Scheme of compound glands in the oral cavity - human, adultA. parotid gland (serous gland) magnification x 350 objective. B. sublingual gland (mucous part) magnification x 350 objective. C. sublingual gland (mixed part) magnification x 350 objective. D. simplified scheme of compound serous/mucous gland. 1. myoepithelial cell; 2. serous acinus; 3. stri...oral cavityPoja Histology Collection - Oral Cavity Subset
193 Scheme of circumvallate papillae of the tongue (human, adult)1. (circum)vallate papilla; 2. non-keratinized stratified squamous epithelium; 3. taste bud; 4. serous gland (von Ebner); 5. draining duct (of serous gland); 6. lingual muscleoral cavity; von Ebner; circumvallate papillaePoja Histology Collection - Oral Cavity Subset
194 Renal corpuscleThis section of renal corpuscle shows the glomerulus with vascular pole and macula densa region of the distal tubule. At the urinary pole, the proximal convoluted tubule can be seen draining the urinary space.Renal CorpuscleHEAL Reviewed Collection
195 Scheme of lingual tonsil ('lymphoepithelial tissue')Lingual tonsil (consisting of the accumulation of folliculi linguales). The root of the tongue contains invaginations or crypts or narrow caverns (3). In these crypts the ducts of the mucous glands (8) end up. The crypts are lined by multilayered, non-keratinizing squamous epithelium (2) and are sur...lingual tonsil; scheme; germinal center; folliclePoja Histology Collection - Lymphatic Tissues and Organs Subset
196 Scheme of ileum with Peyers patches (gut-associated lymphatic tissue or GALT) (dog)Survey ileum (see also Digestive System: Ileum) A large amount of non-encapsulated diffuse lymphatic tissue or mucosa-associated lymphatic tissue (MALT) is located in the subepithelial lamina propria (e.g. respiratory passages, genitourinary tract). The gut-associated lymphatic tissues (GALT) are ...GALT; follicle; scheme; germinal centerPoja Histology Collection - Lymphatic Tissues and Organs Subset
197 Scheme of electron microscopy of tertiary villus (human placenta, midpregnancy)(See also POJA-L1227). (A) Survey and (B) detail of a tertiary placental villus lined by the multinucleated syncytiotrophoblast cell (1) (STC). The apex shows protrusions and extensive microvilli of varying sizes (brushborder, 2). Nuclei are sectioned at different levels and the cytoplasm contains a...placenta; tertiary villi; placental barrier; electron microscopyPoja Histology Collection - Placenta
198 Scheme of palatine and pharyngeal tonsils ('lymphoepithelial tissues') (human)The palatine tonsils are covered by the multilayered, non-keratinizing squamous epithelium of the oral cavity (A-1). In contrast to the palatine and lingual tonsils, the epipharyngeal tonsil has a multilayered ciliated epithelium (respiratory-like epithelium, B-9). The Waldeyer's tonsillar ring i...germinal center; scheme; folliclePoja Histology Collection - Lymphatic Tissues and Organs Subset
199 Scheme of reticular tissue in lymph nodeLymph node stroma does not contain stromal cells but instead the reticular meshwork is build by reticular cell types, macrophages and lymphoid cells and myeloid cells. Route (A) in the scheme represents morphological differentiation path from B lymphocytes to plasma cells. 1 endothelial ce...reticular tissue; scheme; follicle; germinal centerPoja Histology Collection - Lymphatic Tissues and Organs Subset
200 Scheme of tongue papillae and foliate papillaeA. Circumvallate papillae (tongue, human, adult) magnification x 35 objective. B. Foliate papillae (tongue, rabbit) magnification x 85 objective. C. Taste bud in foliate papilla (tongue, rabbit) magnification x 750 objective. 1. (circum)vallate papilla; 2. non-keratinized stratified squamous epit...oral cavity; von Ebner; circumvallate papillae; foliate papillaePoja Histology Collection - Oral Cavity Subset
176 - 200 of 4,589