Medulloblastomas: Medulloblastomas (PNETs) are the most common malignant brain tumor in children (20% of all pediatric tumors) and usually occur in children between the ages of 4 and 10 years. Medulloblastomas occur more often in boys than in girls.
Acanthocyte (from the Greek word á¼ÎºÎ±Î½Î¸Î± acantha, meaning 'thorn'), in human biology and medicine, refers to a form of red blood cell that has a spiked cell membrane, due to abnormal thorny projections. A similar term is spur cells.canthocytosis can be seen in: Acute or Chronic Anemia, Hepatitis A,B,C; Hepatorenal syndrome, Hypopitutarism, Malabsorption Syndromes, Malnutrition In malnourishment, such as anorexia nervosa and cystic fibrosis, acanthocytosis remits with resolution of the nutritional deficiency.
Acanthastrea (or Acans for short) are a colorful and popular coral imported mainly from Australia and Indonesia. There are three common species of Acanthastrea commonly seen in our hobby, Acanthastrea lordhowensis, Acanthastrea echinata, and Acanthastrea bowerbanki.A much less common species is Acanthastrea hillae.Acans are highly sought-after for their amazing color and exotic patterns.here are three common species of Acanthastrea commonly seen in our hobby, Acanthastrea lordhowensis, Acanthastrea echinata, and Acanthastrea bowerbanki. A much less common species is Acanthastrea hillae. Acans are highly sought-after for their amazing color and exotic patterns.