I went to the hospital because the pain in my abdomen persisted.
This insect has a yellow abdomen.
middle part; central section
Extended use referring to the middle or bulging part of an object, such as a ship or a musical instrument. Less common than the anatomical sense.
They load cargo into the middle part of the ship.
My abdomen has been hurting since yesterday, so I went to the hospital.
The doctor examined the patient by pressing on his abdomen with his fingers.
He underwent abdominal surgery last month.
A lump was found on his abdomen during the examination.
腹 is the native, often blunt or idiomatic word for belly, whereas 腹部 is the neutral, technical term used in medical or formal contexts.
腹筋 refers specifically to the abdominal muscles, while 腹部 refers to the whole abdominal region, not just the muscle layer.
胸部 refers to the chest/thorax region, whereas 腹部 refers to the abdomen just below it, so the two are easily mixed up in anatomical descriptions.
lower abdomen; hypogastrium
Heimlich maneuver; abdominal thrusts
abdominal aortic aneurysm
Heimlich maneuver
Compound of 腹 (belly) and 部 (part, section). The reading ふくぶ is the on'yomi for both kanji.