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 (...)

• systemic lupus erythematosus
  16 October 2003

  Definition: Systemic lupus erythematosus (SLE) is an autoimmune disease that is characterized by autoantibodies specific for highly conserved nuclear antigens, such as double-stranded DNA, histones and ribonuclear proteins.
  Digital case
  JRC:10585 : Cutaneous lupus erythematosus.
  Images
  LE cell in peritoneal fluid : https://twitter.com/pwraess/status/732709988368416768
  The requirements for the activation and response of self-reactive B cells — the source of autoantibodies — seem to be (...)

• neutrophils
  4 December 2003

  neutrophilic polymorphonuclear cells, neutrophilic granulocytes, Adj. neutrophilic
  Pathology
  neutrophilic infiltration
  neutrophilic deficiency
  neutrophilic proliferations
  neutrophilic disorders
  See also
  granulocytes diapedesis
  neutrophil phagocytosis
  neutrophil differentatiation
  neutrophil development
  polymophonuclear cells neutrophils eosinophils basophils (...)

• 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, (...)

• acute inflammatory infiltrate
  9 May 2005

  Neutrophils going to the site of infection
  Acute appendicitis
  Peri-appendiceal abscess
  See also
  Inflammation acute inflammation
  neutrophilic granulocytes
  cellular infiltrates inflammatory infiltrates acute inflammatory infiltrate chronic inflammatory infiltrate

• reproduction
  25 November 2004

  Pathology
  anomalies of reproduction
  Videos
  Human Reproduction: Fertilization and Fetal Development
  See also
  genital system male genital system female genital system

• mature teratoma
  8 November 2004

  Videos
  mature ovarian teratoma
  See also
  teratomas mature teratoma (dermoid cyst ) immature teratoma malignant teratoma
  germ cell tumors (GCTs )
  References
  Is a mature teratoma a premalignant condition? Hawkins EP. Hum Pathol. 1999 May;30(5):596. PMID: #10333236#

• renal SLE
  24 October 2005

  renal systemic lupus erythematosus

• histones
  16 July 2003

  histone proteins

• 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 (...)

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