Head — Flashcards

Flashcard 41: The _____ampullated ends of posterior and superior semicircular canals unite to form a common channel called crus commune.

Answer: non

Flashcard 42: The external nose is made up of _____ paired and 1 unpaired cartilage.

Answer: 3

Flashcard 43: The _____ is the landmark for the second genu of the facial nerve; the posterior wall of the middle ear houses the vertical segment of the facial nerve and nerve to stapedius.

Answer: pyramid

Extra: The pyramidal eminence (pyramid) houses the stapedius muscle. The facial nerve's second genu is located just superior and posterior to the pyramid. Landmarks for Facial Nerve: - 1st Genu: Processus cochleariformis - 2nd Genu: Pyramid - Horizontal segment: Above the oval window - Vertical segment: Posterior wall of the middle ear

Flashcard 44: Structures present in parotid gland from superficial to deep are _____ nerve, retromandibular vein, and external carotid artery

Answer: facial

Flashcard 45: Fossa incudis is a depression on the _____ wall of the middle ear which attaches the short process of incus

Answer: posterior

Flashcard 46: The _____ of the orbit is formed by frontal and sphenoid bone

Answer: roof

Flashcard 47: Relations of parotid gland:Anteromedial surface is related to the posteroinferior part of the _____, masseter, medial pterygoid, and temporomandibular joint

Answer: mandibular ramus

Flashcard 48: CSF _____orrhea is seen in longitudinal fractures of the petrous part of the temporal bone

Answer: ot

Flashcard 49: Lymphatics of the tongue:_____ part of anterior 2/3rd of tongue drains into U/L submandibular lymph nodes

Answer: Margin

Flashcard 50: The _____ aponeurosis is attached to the superior border of the upper tarsal plate.

Answer: levator palpebrae superioris (LPS)