Biology videos

Articles

• acute inflammation
  1 June 2004

  Digital cases
  Case 25 (HPC:25) : Acute appendicitis
  Case 94 (HPC:94) : Acute appendicitis
  Case 13 (HPC:13) : Acute synovitis
  Definition: Acute inflammation is a rapid response to an injurious agent that serves to deliver mediators of host defense-leukocytes and plasma proteins-to the site of injury.
  Types - Lesional patterns
  acute inflammation
  congestive inflammation
  cellular acute inflammation
  suppurative inflammation / suppuration
  abcess / abcesses / abcedation (...)

• teratoma
  10 March 2004

  teratomas
  Definition: Teratomas are neoplasms comprised of mixed elements derived from the three germ cell layers.
  Images
  Gastric teratoma in a 1yo male
  https://twitter.com/DraEosina/status/817663085376901121
  A teratoma is generally defined as a tumor arising from pluripotent cells, and it is precisely the heterogeneity of tissues present in such a tumor that best characterizes it; it is also commonly accepted that a teratoma must contain derivatives of more than one blastodermic (...)

• appendicitis
  29 December 2003

  Definition: inflammation of appendix.
  Types
  acute appendicitis
  chronic appendicitis granulomatous appendicitis xanthogranulomatous appendicitis
  mural fibrosis of appendix
  Etiology
  infectious appendicitis viral appendicitis adenoviral appendicitis CMV appendicitis bacterial appendicitis Yersinia appendicitis Yersinia enterocolitica appendicitis (#17189675#) appendiceal typhoid appendiceal actinomycosis mycobacterial appendicitis tuberculous appendicitis fungal appendicitis (...)

• mismatch repair diseases
  15 December 2003

  microsatellite instability, MSI-H, DNA microsatellite instability, MSI, mismatch-repair deficiency; MMR diseases; DNA Mismatch Repair Protein Deficiency
  Definition: A cause for genetic instability is the frequent appearance of mismatches on the double helix of DNA. (DNA mismatch repair)
  Base-base mismatches
  Base-base mismatches and small loops may occur during most of the main mechanism that process DNA, that is, replication, recombination and repair itself. From bacteria to eukaryotes, (...)

• organelles
  16 October 2003

  cellular organelle, subcellular organelle, organite WKPD
  Definition: In cell biology, an organelle /ɔːrɡəˈnɛl/ is a specialized subunit within a cell that has a specific function. Individual organelles are usually separately enclosed within their own lipid bilayers.
  Types
  endoplasmic reticulum
  Golgi apparatus
  mitochondria
  peroxysomes
  lysosomes
  Intercellular membrane transport
  Intracellular organelle transport is essential for morphogenesis and functioning of the cell. (...)

• Embryo
  21 May 2004

  human embryo

• histones
  16 July 2003

  histone proteins

• glycolysis
  1 June 2004

  oxidation of glucose

• nucleotide excision repair
  19 November 2003

  NER pathway, NER system

• Pathology of ovary (Videos)
  25 June 2007

  ovarian tumors
  (Videos by Washington Deceit)
  Mature ovarian teratoma
  Theca cell tumors
  Ovarian endometriosis

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