Head and neck anatomy Flashcards
Lack of fusion between the medial nasal process and the maxillary process on one side creates
Unilateral cleft lip
The majority of the ramus and the condylar bone growth is by __ bone growth
Endochondral
Which layer of the embryonic disc forms the anterior 2/3 of the tongue?
Ectoderm
Which fusion is involved in the formation of the upper lip
Maxillary process with medial nasal processes
Embryonic origin of connective tissue is
Mesoderm
Hemidesmosome
Attachment between a cell and a non-cellular structure
Lateral lingual swellings becomes
Moveable body of tongue
Thyroglossal duct originates from which embryonic structure of the tongue
Foramen cecum
Structure located in cytoplasm which contains a network of channels to modify, transport, and store proteins is
Endoplasmic reticulum
Suture that fuses the parietal and occipital bones
Lamboidal suture
What bone is the foramen rotundum located
Sphenoid bone
What two bones make up the medial wall of the orbit
Lacrimal and ethmoid
What part of the pterygoid process contains hamulus
Medial pterygoid plate
Petrous portion of the temporal bone contains
Styloid process, mastoid process, internal acoustic meatus, jugular foramen
What is the insertion and action of the Levator anguli oris
Corner of the mouth for smiling
Stylohyoid, Mylohyoid, and geniohyoid all assist with
Raising the hyoid and swallowing
Which two muscles are attached by the pterygomandiubular raphe
Superior pharyngeal constrictor and the buccinator
What muscle prevents the tongue from falling back and obstructing the respiration
Genioglossus
Depressing the hyoid involves which muscles
Thyrohyoid and omohyoid
What is the action of transverse ad vertical longitudinal intrinsic tongue muscle
Lengthens and narrows tongue
Artery that branches off the inferior alveolar artery before it enters the mandibular foramen?
Mylohyoid artery
8 drains to the
PSA artery
Middle meningeal vein, PSA vein, and IA vein drain into the
Pterygoid plexus
25 receives blood and nutrition from
Incisive artery