Скачать или смотреть PROBOSIS LATERALIS

Definition: Proboscis lateralis is a rare congenital craniofacial anomaly characterized by a tubular appendage arising from the medial canthus region of the eye, resembling a trunk or proboscis.
• Name Origin: “Proboscis” = trunk-like structure, “lateralis” = on the side.

Embryology
• Results from abnormal development of nasal placodes during the 4th–6th week of gestation.
• Failed medial nasal process formation leads to absence or hypoplasia of the nose on the affected side.
• The lateral nasal process may form abnormally, creating a tubular structure.
#anatomy #biology #ear #ent #nose #nosebleed #otolaryngology #science #throathealth