Biological Sciences and Healthcare, part 2

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Upper aerodigestive tract > Upper respiratory tract > Upper respiratory spaces > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > Respiratory and intrathoracic structures > respiratory system > Respiratory tract structure > Upper respiratory tract > Upper respiratory spaces > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Ear, nose and throat structure (body structure) > Upper respiratory tract > Upper respiratory spaces > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Head > Head part > Head region structure (body structure) > Nose and nasopharynx structure (body structure) > nose > Nose part > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Head > Head part > Head region structure (body structure) > Face > nose > Nose part > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Ear, nose and throat structure (body structure) > nose > Nose part > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Upper aerodigestive tract > Upper respiratory tract > Structure of internal nose and/or pharynx and/or larynx > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > Respiratory and intrathoracic structures > respiratory system > Respiratory tract structure > Upper respiratory tract > Structure of internal nose and/or pharynx and/or larynx > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Ear, nose and throat structure (body structure) > Upper respiratory tract > Structure of internal nose and/or pharynx and/or larynx > Internal nose > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Upper body > Upper body part > Head and neck > Head > Head part > Head region structure (body structure) > Parameningeal structure in the context of malignancy (body structure) > Respiratory region of nose > Nasal cavity structure > Posterior margin of nasal septum and choanae > Entire posterior margin of nasal septum and choanae (body structure)