#landmark.anatomical_structure  an anatomical structure used as a point of origin in locating other anatomical structures (as in surgery) or as point from which measurements can be taken
  supertype:  anatomical_structure__structure__complex_body_part__bodily_structure__body_structure  a particular complex anatomical structure; "he has good bone structure"
  subtype:  craniometric_point  a landmark on the skull from which craniometric measurements can be taken
     subtype:  acanthion  the craniometric point at the anterior extremity of the intermaxillary suture
     subtype:  asterion  the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture
     subtype:  auriculare__auricular_point__auricularpoint  the craniometric point at the center of the opening of the external acoustic meatus
     subtype:  bregma  the craniometric point at the junction of the sagittal and coronal sutures at the top of the cranium
     subtype:  condylion  the craniometric point at the tip of the mandibular condyle
     subtype:  coronion  the craniometric point at the tip of the coronoid process of the mandible
     subtype:  crotaphion  the tip of the greater wing of the sphenoid bone
     subtype:  dacryon  the craniometric point at the junction of the anterior border of the lacrimal bone with the frontal bone
     subtype:  entomion  the craniometric point at the tip of the mastoid angle of the parietal bone
     subtype:  glabella__mesophyron  a smooth prominence of the frontal bone between and above the eyebrows; the most forward projecting point of the forehead in the midline at the level of the supraorbital ridges
     subtype:  gnathion  the most inferior point of the mandible in the midline
     subtype:  gonion  the craniometric point on either side at the apex of the lower jaw
     subtype:  inion  the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance)
     subtype:  jugale__jugal_point__jugalpoint  the craniometric point at the union of the frontal and temporal processes of the zygomatic bone
     subtype:  lambda  the craniometric point at the junction of the sagittal and lamboid sutures of the skull
     subtype:  mastoidale  the craniometric point at the lowest point of the mastoid process
     subtype:  metopion  the craniometric point midway between the frontal eminences of the skull
     subtype:  nasion  the craniometric point at the bridge of the nose where the frontal and nasal bones of the skull meet
     subtype:  obelion  the craniometric point on the sagittal suture near the lamboid suture
     subtype:  ophryon  the craniometric point in the midline of the forehead immediately above the orbits
     subtype:  orbitale__orbital_point__orbitalpoint  the craniometric point at the lowest point on the lower edge of the orbit
     subtype:  pogonion  the craniometric point that is the most forward-projecting point on the anterior surface of the chin
     subtype:  prosthion__prostheon__alveolar_point  craniometric point that is the most anterior point in the midline on the alveolar process of the maxilla
     subtype:  pterion  the craniometric point in the region of the sphenoid fontanelle
     subtype:  rhinion  the anterior tip at the end of the suture of the nasal bones
     subtype:  sphenion  the anterior tip of the parietal bone
     subtype:  stephanion  the craniometric point on the coronal suture above the acoustic meatus
     subtype:  symphysion  the most forward point of the alveolar process of the mandible

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