Category: Bk-Bl
-
Blastocystosis
Infection with Blastocystis hominis, a common microscopic parasite found worldwide. Symptoms may include watery or loose stools, diarrhea, abdominal pain, anal itching, weight loss, and excess gas. Some people have no symptoms. The organism can remain in the intestines for weeks, months, or years. Diagnosis requires finding it in the stool, How Blastocystis is transmitted is unknown, although the number of people infected seems…
-
Blastocystis infection
Infection with Blastocystis hominis, a common microscopic parasite found worldwide. Symptoms may include watery or loose stools, diarrhea, abdominal pain, anal itching, weight loss, and excess gas. Some people have no symptoms. The organism can remain in the intestines for weeks, months, or years. Diagnosis requires finding it in the stool, How Blastocystis is transmitted is unknown, although the number of people infected seems…
-
Blastocystis hominis
The parasitic organism that causes blastocystosis. Infection with Blastocystis hominis, a common microscopic parasite found worldwide. Symptoms may include watery or loose stools, diarrhea, abdominal pain, anal itching, weight loss, and excess gas. Some people have no symptoms. The organism can remain in the intestines for weeks, months, or years. Diagnosis requires finding it in the stool, How Blastocystis is transmitted is unknown, although…
-
Blastocyst
A thin-walled hollow structure in early embryonic development that contains a cluster of cells called the inner cell mass from which the embryo arises. The outer layer of cells gives rise to the placenta and other supporting tissues needed for fetal development within the uterus while the inner cell mass cells gives rise to the tissues of…
-
Blast phase
Refers to advanced chronic myelogenous leukemia. In this phase, the number of immature, abnormal white blood cells in the bone marrow and blood is extremely high. Also called blast crisis.
-
BLAST
An immature blood cell.
-
Blalock-Taussig operation
A pioneering operation to treat children born with the heart malformation tetralogy of Fallot named for the US surgeon Alfred Blalock and the US pediatric cardiologist Helen B. Taussig.
-
Blade bone
Familiar term for the scapula, also called the shoulder blade or wing bone, the flat triangular bone at the back of the shoulder.
-
Bladder, overactive
A condition in which sudden involuntary contractions of the muscular wall of the bladder cause urinary urgency, immediate and unstoppable needs to urinate. Overactive bladder is a form of urinary incontinence (the unintentional loss of urine) and is relatively common, particularly in older adults. Treatment may include pelvic muscle strengthening, behavioral therapy, and medications. Also called urge incontinence.
-
Bladder pain
Pain from the urinary bladder. Among the symptoms of bladder infection are feelings of pain, pressure, and tenderness around the bladder, pelvis, and perineum (the area between the anus and vagina or anus and scrotum), which may increase as the bladder fills and decrease as it empties; decreased bladder capacity; an urgent need to urinate; painful sexual intercourse; and,…