Head — Flashcards

Boundaries of the nasal valve: Laterally: Lower border of _____ cartilage and fibrofatty tissue and anterior end of inferior turbinate Medially: Cartilaginous nasal septum Caudally: Floor of the pyriform aperture

The _____ampullated ends of posterior and superior semicircular canals unite to form a common channel called crus commune.

_____, Frontalis and Muller's muscle are the upper lid retractors.

Hint: Main muscle

Action of Lateral pterygoid muscle is _____, protrusion and side to side movement of the jaw.

Hint: elevation/depression

Ciliary body consists of an anterior portion called the pars _____ and a posterior portion called the pars plana.

Venous drainage of the face and scalp:_____ vein joins the maxillary vein to form the retromandibular vein which divides into anterior and posterior divisions.

The _____ fibres of the tensor veli palatini are attached to the lateral lamina of the Eustachian tube and contract to open the tubal lumen

Actions of the **superior oblique** muscle: - Primary: _____ - Secondary: Depression - Tertiary: Abduction

The external nose is made up of _____ paired and 1 unpaired cartilage.

Interparietal bone of the skull is present between the _____ and the parietal bones.