2025-05-01
Quizzes: All easy-level quizzes have been uploaded, and those labeled as mixed are updated. Once the tests are finished, the questionaires about images will start to be uploaded.
2024-11-20
Animal organs: all pages have been updated and some new ones (endocrine and motor system) have been uploaded.
Plant tissues: all pages dealing with plant tissues have been updated, including summary and extended pages.
Quizzes: the first quizzes (easy level) about the cell section are arriving at the server.
2024-06-12
Plant organs: the pages dealing with seeds and fruits have been updated.
Animal organs: the pages about both central and peripheral nervous system, as well as those dealing with senses and integument, have been updated.
2024-03-02
Cell biology: the pages dealing with the cell cycle and Meiosis have been updated, some of them with summary and extended information.
Plant organs: the pages about the flower have been updated and a page dealing with gymnosperm cones has been uploaded.
2023-12-25
Cell biology: the pages dealing with the vesicular traficcking and the other organelles have been updated, some of them with summary and extended information.
2023-09-25
Cell biology: the pages dealing with the cell membrane and the nucleus have been updated.
2023-08-02
Cell biology: the pages in the Introduction chapter have been updated. In addition, some summary and extended pages have been added. See, for example, the discovery of the cell.
2023-05-01
Cell biology: the pages of the extracellular matrix chapter have been updated.
2023-02-08
Cell biology: the pages in the Introduction chapter have been updated. In addition, some summary and extended pages have been added. See, for example, the discovery of the cell.
2022-12-29
Histological techniques: pages with recipes to prepare fixatives and dyes have been uploaded.
2022-11-10
Site usage (number of pages served, last year: October first- September 30th):
2022-10-10
Histological techniques: all the available protocol pages have been uploaded.
2022-07-02
Histological techniques: new pages with more information about histological techniques have been uploaded: hematoxylin and dyes, antigen retrieval and sterology: volume. A new section with protocols has been started with gelatin coated slides.
2022-05-13
Histological techniques: all main pages have been updated. Two pages with more information have been uploaded: clearing tissues and artifacts.
2022-03-05
Virtual microscopy: 15 images of plant organs have been added.
2021-12-28
Cell types: all pages have been updated.
Virtual microscopy: a new section containing large images has been started. By Using the OpenSeadragon interface, the images can be zoomed and panned as in a microscope. In the animal section, 15 images are already available.
2021-11-27
Site usage (number of pages served, last year: October first- September 30th):
2021-06-20
Animal tissues: updated all large images and a lot of new training pages dealing with these large images of animal tissues. A table with all animal tissues. New pages about articular cartilage , fibrous cartilage , and elastic fibers
Quizzes: all quizzes about plant tissues have been finished, and many quizzes about animal organs are already available.
2021-02-30
Animal tissues: page with all animal tissues.
Quizzes: Plant tissues: Meristm, Parenchyma, Protection.
Glossary: Letters T, U, V, X, Y, Z.
2020-12-23
Quizzes: Animal tissues: Connective proper, Adipose, Cartilage, Bone, Blood, Muscle, Nervous tissue.
Glossary: Letters P, Q, R, S.
2020-10-27
Quizzes: Animal tissues: Epithelium.
Glossary: Letters L, M, N, O.
2019-10-22
Site usage (number of pages served, last year: October first- September 30th):
2020-09-17
Quizzes: The cell: Meiosis.
Glossary: Letters G, H, I, J, K.
2020-07-24
Quizzes: The cell: Other organelles, Cytoskeleton, Cell cycle.
Glossary: Letters E and F.
2020-06-14
Quizzes: The cell: Membranes, Vesicular trafficking.
Glossary: Letters C and D.
2020-04-27
Animal tissues: Updated: Cartilage, Adipose.
Udpaded: Bibliography and Aknowledgements
Glossary: Letters A and B.
Quizzes: The cell: Introduction, Extracellular matrix.
2020-04-04
Animal tissues. Updated: Muscular tissue, Glandular tissue, Epithelium, Connective tissue, Connective proper.
Cell types. new page, Keratynocyte
Plant organs: Fruit, Orange fruit, Apple fruit.
2020-02-28
The cell. Updated: M phase, Meiosis.
Animal tissues. Updated: Blood, Covering epithelium, Nervous tissue.
Cell types: Podocyte.
Plant organs: Flower 2, Petals and sepals, Stamens, Ovary, Seed, Apple seed.
2020-01-14
The cell. Updated: G1 phase, S phase, and G2 phase.
Cell types: Neuron.
Plant organs: Flower.
2019-12-18
The cell. Updated: Cell cycle, G1 phase, and S phase.
Cell types: Striated skeletal muscle.
Plant organs: Leaf , Dicot leaf, Gymnosperm leaf.
2019-11-11
The cell. Updated: Microtubules and Intermediate filaments.
Cell types: Mastocyte.
Plant organs: Secondary stem (dicot), Secondary stem (gymnosperm), Secondary stem (sambucus).
2019-10-22
Site usage (number of pages served, last year: October first- September 30th):
2019-10-05
The cell. Updated: Actin.
Cell types: Fibroblast, Hepatocyte.
Plant organs: Monocot primary stem, Dicot primary stem, Secondary stem.
2019-08-22
The cell. Updated: Chloroplasts, Lipid droplets, Cytosol, Cytoskeleton.
Cell types: Erythrocyte, Spermatogonia.
Plant organs: Secondary root, Stem, Primary stem.
2019-07-08
The cell. Updated: Mitochondria, Plastids.
Cell types: Endothelial, Enterocyte, Eosinophil.
Plant organs: Root, Primary root, Primary root monocot, Primary root dicot.
2019-05-21
The cell. More information: Centriole, Cilia and flagella, Cycle of centrosome, Apoptosis. Updated: Plant vesicular traffic, Vacuoles, Non vesicular, Peroxisomes.
Cell types: Unilocular adipocyte, Astrocyte.
Plant organs: Introduction.
Techniques: Light microscope and Electron microscope.
2019-04-01
Techniques: In situ hybridization and Visualization.
The cell: Lysosomes page has been updated. New pages with detailed information: Autophagy, Vesicles, Extracellular vesicles, and Transcytosis.
2019-02-27
Techniques: Immunohistochemistry page is available.
The cell: Endocytosis page has been updated. New pages with detailed information: Plasmodesmata, Condensins and cohesins, and Chromosomes.
2019-01-21
Techniques: Histochemistry, Lectins pages are available.
The cell: Golgi apparatus, and Exocytosis pages have been updated. New pages with detailed information: More than adhesion, Membrane models, and Gap junctions.
2018-12-19
Techniques: Cryotome, Ultramicrotome , Staining , and General staining pages are available.
The cell: Endoplasmic reticulum , Reticulum to Golgi, and Golgi apparatus pages have been updated.
2018-11-12
Techniques: Resin embedding, Sectioning, Paraffin microtome, and Vibratome pages are available.
2018-10-22
Site usage (number of pages served, last year: October first- September 30th):
2018-09-25
The cell: Nucleus section has been updated.
Techniques: Fixatives, Embedding, and Paraffin embedding pages are available.
2018-07-17
Techniques: Fixation and Fixation methods pages are available.
2018-06-16
The cell:
Cell membrane section has been updated.
Techniques: a new section about histological techniques is started. Introduction and Histological processing pages are available.
2018-05-16
Animal organs:
Large intestine,
Liver.
2018-04-11
Animal organs:
Liver and Pancreas,
Small intestine,
Excretory system,
Respiratory system.
2018-03-04
Animal organs:
Tooth,
Esophagus,
Stomach.
2018-01-29
The cell: "More information" section:
Cell wall.
Animal organs:
Salivary glands.
2017-12-22
The cell: "More information" section:
RNA world, Cell size, and Hyaluronic acid.
Animal organs:
Digestive system,
Tongue.
2017-11-24
The cell: Several pages with more detailed information about cells have been uploaded. They can be found in the "more information" section:
Cellularity, A. v Leeuwenhoek, and Discovering cell division.
The section dealing with Extracellular matrix has been updated.
Animal organs:
Seminal vesicle,
Prostate.
2017-10-27
Animal organs:
Ovarian follicles,
Male reproductive system,
Seminiferous tubules.
2017-10-22
Site usage (number of pages served, last year: october-september):
2017-09-21
Animal organs:
Spleen,
Reproductive system,
Female reproductive system,
Ovary.
The cell: Introduction pages have been updated.
2017-07-16
Animal organs:
Capillaries,
Lymphatic system.
2017-05-31
Animal organs:
Cardiovascular system,
Elastic artery,
Arteriole.
2017-04-24
Animal organs:
Thick skin,
Sweat gland,
Nail.
2017-03-31
Animal organs: Integument,
Thin skin.
2017-02-11
Animal organs: Peripheral nerve,
Senses.
2017-01-06
Animal organs: Hypothalamus,
Subpallium,
Pallium.
Peripheral nervous system.
2016-11-22
Animal organs: Spinal cord,
Spinal cord (image),
Rhombencephalon.
Mesencephalon.
Diencephalon.
2016-10-17
The cell (main pages finished): Mitosis,
Meiosis.
Animal organs (section started): Introduction, Nervous system, Central nervous system
Site usage (number of pages served, last year):
2016-09-04
The cell:
Intermediate filaments,
Cell cycle,
G1 phase,
S phase,
G2 phase,
2016-07-21
The cell: Actin filaments,
Microtubules.
Animal tissues: Brown adipose tissue.
2016-06-22
The cell: Chloroplasts,
Lipid drops,
Cytosol,
Cytoskeleton.
2016-05-06
The cell: Other organelles: Mitochondria and
Plastids.
2016-04-08
The cell: Vesicular traffic: vacuoles, and in other organelles: Peroxisomes.
Bibliography page
2016-03-05
The cell: Vesicular traffic: Endocytosis, Endosomes, Lysosomes, in Plant cells
2016-01-24
The cell: Vesicular traffic: Exocytosis.
2015-12-21
The cell: Vesicular traffic: from the Reticulum to the Golgi complex, Golgi complex
2015-11-19
The cell. Nucleus, remaining pages: Nucleolus, Chromatin, Nuclear pores. Vesicular traffic started: Vesicular traffic, Endoplasmic reticulum
2015-10-04
Site usage (last year):
2015-09-20
The cell. Cell membrane: new pages: Synthesis, Transport, Adhesion, Cell junctions. The nucleus section is started: Nucleus.
2015-08-13
The cell. Cell membrane: new pages are up and running: Proteins, Carbohydrates, Permeability, fluidity, Asymmetry, repairing.
2015-07-03
The cell. New pages about extracellular matrix: Types of extracellular matrices. Cell membrane section is started: Introduction, Lipids.
2015-06-07
The cell. New pages about extracellular matriz: Extracellular matrix, Structural proteins, Carbohydrates, Glycoproteins.
2015-05-15
The cell. Origin of the cell, Cell theory and Endosymbiosis.
Plant tissues. Secretory tissues pages have been uploaded, and a page about Resin ducts.
2015-04-23
The cell. Section dealing with the cell is started. The first two pages: Introduction and Cell diversity.
2015-04-13
Plant tissues. Plant Meristem pages have been released. Glandular tissues will be the last.
2015-03-30
Plant tissues. Plant Protection tissue pages are ready.
2015-03-07
Plant tissues. Plant Vascular tissue pages have been released.
2015-02-24
Plant tissues. Plant Support tissue pages are available.
2015-02-11
Plant tissues. Introduction to plant tissues and Parenchyma have been uploaded.
2015-01-24
Animal tissues. With the uploading of Nervous tissue we have finished the first edition of the animal tissues section. Plant tissues sections is started.
2015-01-07
Animal tissues. Blood and Muscle pages are ready.
2014-12-22
Animal tissues. Bone tissue pages are ready.
2014-11-24
Animal tissues . Cartilage tissue page is ready.
2014-10-6
Animal tissues. Adipose tissue page is ready.
2014-09-11
Animal tissues. Connective proper section is ready.
2014-05-10
Animal tissues. Glandular epithelia section is ready.
2013-12-14
Animal tissues. Glandular epithelia section is started.
2013-11-05
Animal tissues. The Covering eipthelia section is ready.