Page 65 - Edited - Webster HEAD AND NECK - part 2-Merge PDF
P. 65

HN 259
                                       POSTERIOR ASPECT OF PHARYNX (1)
                                                                                         HN 259
               (A)   THE BONY & CARTILAGINOUS SKELETON
                                                                             c f.
                                       PHARYNGEAL
                                           TUBERCLE             BASIOCCIPITAL
                                                                   STYLOID PROCESS
                                                                           STYLOHYOID LIGAMENT (UPPER PART)
                                                                             MANDIBULAR CONDYLE
                           INFRA-
                           TEMPORAL                                          MEDIAL PTERYGOID PLATE
                           FOSSA
                                                                             LATERAL    "      "
                                                                             MAXILLA
                               8         PALATE                              xxx = attachment of BUCCINATORM.
                                                            8                            c f.
                                            PTERYGOID
                               8                                             PTERYGOMANDIBULAR
                                            HAMULUS
                                                            8                RAPHE ------ (SHEETS
                                                                         ROUGHENED MEDIAL SURFACE
                                                                         OF ANGLE OF MANDIBLE
                      STYLOHYOID
                      LIGAMENT
                      (LOWER PART)                       LESSER HORN        OF HYOID BONE
                                                         GREATER HORN


                                                       THYROID CARTILAGE (LARYNX)
                      .... attachment
                      of middle
                      Constrictorm.                       attachment of inferior constrictorm.

                                                     CRICOID CARTILAGE (LARYNX)


                                                    ATTACHMENT OF              PHARYNGEAL RAPHE ATTACHED TO
            (B) THE CONSTRICTOR MUSCLES             PHARYNGO-BASILAR           PHARYNGEAL TUBERCLE
                                                    FASCIA.......              (BASI-OCCIPITAL)
                                                                                                  STYLO HYOID
                 LEFT POSTERIOR NABAL                                                             LIGAMENT
                        APERTURE


                      MEDIAL PTERYGOID
                            PLATE
                                                                                                     MAXILLA
                         BUCCINATOR
                           MUSCLE
                                                              SU  PER     IOR
                    PTERYGOMANDIBULAR
                           RAPHE                                COUST     RICTOR
                           (         )                                    M.

                                                               MIDDLE
                                                               CONSTR  ICTOR
                                    APPROXIMATE POSITION                M.
                                          OF PALATE
         NOTICE that the POSTERO-LATERAL
         deficiency above SUPERIOR
         CONSTRICTOR M. is substantially                        INFER   IOR
         above the palate &  related to The                   CONSTR   ICTOR
         NASAL CAVITY. Little or no muscle is                         M.
         required here (except to maintain                                     RAPHE
         PATENCY by muscle tone - see
         SNORING, against RAISED soft palate)                                 OESOPHAGUS
         since, unlike food & drink, movement
         of air does not depend on peristaltic
         movements
                                                                      K.E.W.
                                                        K.E.W.
   60   61   62   63   64   65   66   67   68   69   70