Anatomical Variations and Anomalies — Flashcards

Flashcard 61: What is the most common anomaly of the 1st branchial arch?_____

Answer: Pre-auricular sinus

Flashcard 62: The most common site for congenital dehiscence in the fallopian canal for the facial nerve is the _____ segment

Answer: tympanic

Flashcard 63: Patients with Autism Spectrum Disorder (ASD) have a higher frequency of abnormal fingerprints (_____)

Answer: Dermatoglyphics

Flashcard 64: The most frequent site of the ectopic gastric mucosa is the _____ of the esophagus

Answer: upper-third

Flashcard 65: Which category of long bones is characterized by the absence of a medullary cavity and the presence of modified shafts or ends?

Answer: Modified long bones

Extra: Modified long bones (e.g., the clavicle) are characterized by: 1. Absence of a medullary cavity. 2. Modified shafts or ends.

Flashcard 66: Absent helix is referred to as _____

Answer: Wildermuth ear

Flashcard 67: Ascent of the fused kidneys in horseshoe kidney is prevented by the _____

Answer: inferior mesenteric artery.

Flashcard 68: The most common site for thyroglossal cyst is _____hyoid

Answer: infra

Flashcard 69: The most common type of craniosynostosis involves the premature fusion of the midline _____ suture

Answer: sagittal

Flashcard 70: Fusion of helix & antihelix is referred to as _____

Answer: Mozart ear