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Cavities & Regions
Body Cavities, Abdominal Regions & Quadrants
Question | Answer |
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Name the 2 main body cavities and their main subdivisions | Dorsal body cavity which contains the cranial and vertebral cavities Ventral body cavity contains the thoracic and abdomino-pelvic cavities; the abdominopelvic cavity contains the abdominal cavity & the pelvic cavity |
Which organs are contained in the dorsal body cavity? | the brain is contained in the cranial cavity; the spinal cord is contained in the vertebral cavity; the dorsal body cavity is said to contain the central nervous system |
What does the thoracic cavity contain? | The lungs (surrounded by the pleural cavity) and the superior mediastinum which contains the heart (surrounded by the pericardial cavity), trachea, and esophagus. The mediastinum is the space and organs between the lungs. |
What separates the thoracic cavity from the abdomino-pelvic cavity? | the diaphragm |
What separates the abdominal cavity from the pelvic cavity? | there is no physical barrier between these |
What does the abdominal cavity contain? | intestines, liver, spleen, stomach, pancreas |
What does the pelvic cavity contain? | the urinary and genital structures |
Starting from left to right, top to bottom, in anatomical position, name the 9 abdominal regions | right hypochondriac, epigastric, left hypochoncriac, right lumbar, umbilical, left lumbar, right iliac, hypogastric, left iliac |
Describe organs found in the superior 3 abdominal regions, by region | right hypochondriac: liver, gallbladder; epigastric: stomach, pancreas, part of duodenum; left hypochondriac: spleen |
Describe organs found in the umbilical and lumbar regions | Right lumbar: ascending colon; umbilical: small intestine, transverse colon; left lumbar: descending colon |
Describe organs found in the inferior 3 abdominal regions, by region | Right iliac: cecum; hypogastric: urinary bladder, rectum, initial part of the sigmoid colon; left iliac: inferior part of descending colon |
Describe organs found by abdominal quadrant | right upper - liver, gallbladder; left upper - spleen; right lower - appendix; left lower - descending colon |
Who is commonly afftected by gallbladder disease (gallstones)? | fat, female, forty |