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abdominal cavities
quadrants/ pelvic regions/planes/cavities
| Term | Definition |
|---|---|
| right upper quadrants (RUQ) | Contains: Liver, Gallbladder, part of the pancreas, right kidney, and portions of the small and large intestines. |
| Left Upper Quadrant (LUQ) | Contains: Stomach, spleen, left kidney, part of the pancreas, and portions of the small and large intestines. |
| Right Lower Quadrant (RLQ) | Contains: Appendix, cecum, right ureter, and reproductive organs (right ovary and fallopian tube in females). |
| Left Lower Quadrant (LLQ) | Contains: Sigmoid colon, left ureter, and reproductive organs (left ovary and fallopian tube in females). |
| Right Hypochondriac Region | upper right, near the ribs. |
| Right Lumbar Region | middle right, near the waist. |
| Right Inguinal Region | lower right, near the groin. |
| Epigastric Region | upper center, above the stomach. |
| Umbilical Region | center, around the belly button. |
| Hypogastric Region | lower center, below the stomach. |
| Left Hypochondriac Region | upper left, near the ribs. |
| Left Lumbar Region | middle left, near the waist. |
| Left Inguinal Region | lower left, near the groin. |
| upper right regions | liver gallbladder |
| upper middle region | diaphragm, stomach |
| upper left regions | spleen |
| middle right regions | ascending colon |
| middle center regions | transverse colon, small intestine |
| middle left regions | descending colon |
| lower right regions | cecum, appendix |
| lower center regions | urinary bladder, initial part of sigmoid colon |
| lower left regions | sigmoid colon |
| sagittal planes | divides the body into left and right sides. midsagittal refers to the an equal division of left and right sides, running along the midline of the body |
| transverse plane | divides the body into upper and lower sections, not necessarily equal, cuts at the waist. superior(top) and inferior (bottom) |
| frontal plane | divides the body into anterior(front) and posterior (back) sections |
| superior | above |
| inferior | below |
| anterior | front |
| posterior | back |
| superficial | close to surface. (scratch) |
| deep | far beneath surface(hysterectomy) |
| distal | further from the attchment |
| proximal | closer to the attachment |
| lateral | further away from midline (left or right) |
| medial | closer to the midline (middle) |
| supine | lying on the back (posterior side) |
| prone | lying on the stomach(anterior side) |
| cranial cavity | within the skull; houses the meninges (brain) |
| spinal cavity | traveling down the midline of the back and formed by the vertebrae, this contains the spinal cord |
| thoracic cavity | within the chest, houses the lungs, heart, and major vessels |
| abdominal cavity | within the abdomen, houses several major organs such as the stomach, liver, gallbladder, intestines |
| pelvic cavity | inferior to the abdominal cavity; houses the bladder and reproductive organs |