English > bodily cavity: 1 sense > noun 1, body| Meaning | (anatomy) a natural hollow or sinus / sinus within the body. |
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| Synonyms | cavity, cavum |
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| Category | anatomy, general anatomy | The branch of morphology that deals with the structure of animals |
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| Part of | body, organic structure | The entire structure of an organism (an animal, plant, or human being) |
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| Narrower | abdominal cavity, abdomen | The cavity containing the major viscera |
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| amniotic cavity | The fluid-filled cavity that surrounds the developing embryo |
| antrum | A natural cavity or hollow in a bone |
| archenteron | central cavity of the gastrula |
| armpit, axilla, axillary cavity, axillary fossa | The hollow under the arm where it is joined to the shoulder |
| blastocoel, blastocoele, blastocele, segmentation cavity, cleavage cavity | The fluid-filled cavity inside a blastula |
| buccal cavity | The cavity between the jaws / jaws and the cheeks |
| bursa omentalis, omental bursa, lesser peritoneal cavity | An isolated part of the peritoneal cavity that is dorsal to the stomach |
| cecum, caecum, blind gut | The cavity in which the large intestine begins and into which the ileum opens |
| celom, coelom, celoma | A cavity in the mesoderm of an embryo that gives rise in humans to the pleural cavity and pericardial cavity and peritoneal cavity |
| chamber | An enclosed volume in the body |
| chest cavity, thoracic cavity | The cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart |
| cloaca | (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open |
| cranial cavity, intracranial cavity | The cavity enclosed by the cranium |
| eye socket, orbit, cranial orbit, orbital cavity | The bony cavity in the skull containing the eyeball |
| laryngopharynx | The lower part of the pharynx |
| locule, loculus | A small cavity or space within an organ or in a plant or animal |
| lumen | A cavity or passage in a tubular organ |
| mediastinum | The part of the thoracic cavity between the lungs that contains the heart and aorta and esophagus and trachea and thymus |
| middle ear, tympanic cavity, tympanum | The main cavity of the ear |
| nasal cavity | Either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx |
| nasopharynx | cavity forming the upper part of the pharynx |
| oropharynx | cavity formed by the pharynx at the back of the mouth |
| pelvic cavity | The space bounded by the bones of the pelvis and containing the pelvic viscera |
| pelvis, renal pelvis | A structure shaped like a funnel in the outlet of the kidney into which urine is discharged before passing into the ureter |
| pericardial cavity, pericardial space | The space between the layers of the pericardium that contains fluid that lubricates the membrane surfaces and allows easy heart movement |
| peritoneal cavity, greater peritoneal sac | The interior of the peritoneum |
| pit, fossa | A concavity in a surface (especially an anatomical depression) |
| pleural cavity | The cavity in the thorax that contains the lungs and heart |
| pulp cavity | The central cavity of a tooth containing the pulp (including the root canal) |
| sac | A structure resembling a bag in an animal |
| sinus | Any of various air-filled cavities especially in the bones of the skull |
| socket | A bony hollow into which a structure fits |
| tubular cavity | A cavity having the shape of a tube |
| uterine cavity | The space inside the uterus between the cervical canal and the Fallopian tubes |
| vacuole | A tiny cavity filled with fluid in the cytoplasm of a cell |
| ventricle | One of four connected cavities in the brain |
| vestibule | Any of various bodily cavities leading to another cavity (as of the ear or vagina) |
| Broader | structure, anatomical structure, complex body part, bodily structure, body structure | A particular complex anatomical part of a living thing |
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| Spanish | cavidad corporal, cavidad |
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| Catalan | cavitat |
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