Head — Flashcards

Flashcard 91: The optic _____ is formed by medially by the body and laterally by the lesser wing of the sphenoid bone.

Answer: canal

Flashcard 92: _____ is a two-dimensional space bounded by bulla ethmoidalis above and uncinate process of ethmoid bone below

Answer: Hiatus semilunaris

Flashcard 93: _____ of the mandible is caused by lateral pterygoid and suprahyoid muscles

Answer: Depression

Flashcard 94: The _____ turbinate(s) articulate with the maxillary bone

Answer: inferior

Flashcard 95: Facial vein is valveless and connects to the _____ through the inferior ophthalmic vein and deep facial vein

Answer: pterygoid plexus

Flashcard 96: Lower tonsillar fossa is related to the _____ process and the glossopharyngeal nerve

Answer: styloid

Flashcard 97: Structures passing through the **Sinus of Morgagni** (gap between skull base and superior constrictor): **P**: _____ **A**: Ascending palatine artery **L**: Levator veli palatini **E**: Eustachian tube

Answer: Palatine branch of ascending pharyngeal artery

Extra: The Sinus of Morgagni is the space between the base of the skull and the upper border of the superior constrictor muscle. Note: The **Tensor veli palatini** does NOT pass through this gap; it is lateral to the superior constrictor. The structures passing through are summarized by the mnemonic **PALE**.

Flashcard 98: Venous drainage of the face and scalp:The _____ division of the retromandibular vein joins the facial vein to form the common facial vein, which drains into the internal jugular vein.

Answer: anterior

Flashcard 99: Ligament of _____ is attachment of the vitreous to the posterior capsule of the lens.

Answer: Wieger

Flashcard 100: _____ is a gap present between the base of the skull and the upper border of superior constrictor muscle.

Answer: Sinus of Morgagni