is a specific kind of: anatomical structure, bodily structure, body structure, complex body part, structure.

is a broader term that covers: blastocele, blastocoel, blastocoele, cleavage cavity, segmentation cavity | archenteron | sinus | locule, loculus | lumen | socket | pulp cavity | cranial orbit, eye socket, orbit, orbital cavity | buccal cavity | antrum | cloaca | vestibule | mediastinum | middle ear, tympanic cavity, tympanum | pleural cavity | chamber | cranial cavity, intracranial cavity | amniotic cavity | greater peritoneal sac, peritoneal cavity | bursa omentalis, lesser peritoneal cavity, omental bursa | pericardial cavity, pericardial space | vacuole | ventricle | sac | uterine cavity | nasal cavity | nasopharynx | oropharynx | laryngopharynx | blind gut, caecum, cecum | tubular cavity | armpit, axilla, axillary cavity, axillary fossa | chest cavity, thoracic cavity | abdomen, abdominal cavity | pelvis, renal pelvis | pelvic cavity | celom, celoma, coelom | fossa, pit ... show more.

is a part of: body, organic structure.

domain category: anatomy, general anatomy.