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Vegetative and heterocyst cells divide labor by exchanging sugars and nitrogen. The bacteria may also enter a symbiotic relationship with certain plants. In such a relationship, the bacteria do not respond to the availability of nitrogen, but to signals produced by the plant for heterocyst differentiation.
Erdheim–Chester disease (ECD) is an extremely rare disease characterized by the abnormal multiplication of a specific type of white blood cells called histiocytes, or tissue macrophages (technically, this disease is termed a non-Langerhans-cell histiocytosis). It was declared a histiocytic neoplasm by the World Health Organization in 2016. [1]
The term childhood disease refers to disease that is contracted or becomes symptomatic before the age of 18 or 21 years old. Many of these diseases can also be contracted by adults. Some childhood diseases include:
According to the Histiocytosis Association, 1 in 200,000 children in the United States are born with histiocytosis each year. [2] HAA also states that most of the people diagnosed with histiocytosis are children under the age of 10, although the disease can afflict adults. The disease usually occurs from birth to age 15. [3]
Leiner's disease; Lelis syndrome; Lemierre's syndrome; Lennox–Gastaut syndrome; Lenz microphthalmia syndrome; Lenz–Majewski syndrome; Leriche's syndrome; Leschke syndrome; Lesch–Nyhan syndrome; Lethal congenital contracture syndrome; Lethal white syndrome; Leukotriene receptor antagonist-associated Churg–Strauss syndrome; Levator ani ...
The mutations causes white blood cells (lymphocytes, macrophages, and eosinophils) to move towards dendritic cells, resulting in damage in any organ except the heart and kidneys. [1] The disease was once thought to be a lipid storage disease as the lesions have a high cholesterol content, but the blood cholesterol is usually normal.
(The Center Square) – Pennsylvania agencies gathered this week to highlight its joint efforts to support pregnant women, postpartum mothers and babies at Penn State Hershey Children's Hospital ...
Sickle cell disease is a group of inherited blood disorders, caused by a genetic abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [57] Under certain circumstances, this leads to the red blood cells adopting an abnormal sickle -like shape; with this shape, they are unable to deform as they pass through capillaries ...