• anterior
  • At the upper part of the anterior wall are the orifice of the semicanal for the Tensor tympani muscle and the tympanic orifice of the auditory tube, separated from each other by a thin horizontal plate of bone, the septum canalis musculotubarii. (wikipedia.org)
  • Posteriorly, it blends with the squama and mastoid part, and forms the anterior boundary of the tympanomastoid fissure. (wikipedia.org)
  • On either side of the middle line the bone presents depressions for the convolutions of the brain, and numerous small furrows for the anterior branches of the middle meningeal vessels. (academickids.com)
  • Blood supply to the forehead is via the left and right superorbital, supertrochealar, and anterior branches of the superficial temporal artery. (wikipedia.org)
  • superficial
  • The PSS collects the middle and superficial temporal veins, the masseterine veins, and the internal maxillary veins and drains into the external jugular vein ( Fig 1 ). (ajnr.org)
  • medially
  • This also contains the lingula, a triangular piece of bone that overlies the mandibular foramen antero-medially. (wikipedia.org)
  • supraorbital
  • Beneath each superciliary arch is a curved and prominent margin, the supraorbital margin, which forms the upper boundary of the base of the orbit, and separates the squama from the orbital portion of the bone. (academickids.com)
  • plate of bone
  • The Tegmental Wall or Roof ( paries tegmentalis ) is formed by a thin plate of bone, the tegmen tympani, which separates the cranial and tympanic cavities. (bartleby.com)
  • The roof of the cavity (also called the tegmental wall, tegmental roof or tegmentum tympani) is formed by a thin plate of bone, the tegmen tympani, which separates the cranial and tympanic cavities. (wikipedia.org)
  • it corresponds with the carotid canal, from which it is separated by a thin plate of bone perforated by the tympanic branch of the internal carotid artery, and by the deep petrosal nerve which connects the sympathetic plexus on the internal carotid artery with the tympanic plexus on the promontory. (wikipedia.org)
  • depressions
  • it presents depressions corresponding to the convolutions of the temporal lobe of the brain, and grooves for the branches of the middle meningeal vessels. (wikipedia.org)
  • The inner surface of the occipital bone is marked by dividing lines as shallow ridges, that form four fossae or depressions. (wikivisually.com)