Download Facial Development: A Timeline of Key Milestones and more Quizzes Health sciences in PDF only on Docsity! TERM 1 facial development starts in DEFINITION 1 week 5 TERM 2 facial development is complete by DEFINITION 2 week 12 TERM 3 the palate is formed during the DEFINITION 3 7th - 9th weeks TERM 4 the tongue develops during DEFINITION 4 weeks 4 - 8 TERM 5 the primitive mouth appears as a depression in the ectoderm at the end of DEFINITION 5 week 3 TERM 6 the first event in facial development is the _ _ _ _ _ and it happens during _ _ DEFINITION 6 disintegration of the oropharyngeal membrane; week 5 TERM 7 the face develops from the DEFINITION 7 frontal process, 2 maxillary processes, and the mandibular arch TERM 8 the _ _ covers the brain and forms the forehead DEFINITION 8 frontal process TERM 9 the _ _ give rise to the cheeks DEFINITION 9 maxillary processes TERM 10 the _ _ develops into the lower jaw DEFINITION 10 mandibular arch TERM 21 the tongue muscles develop from the DEFINITION 21 somites in the first four arches, bringing the 5th, 7th, 9th, and 10th cranial nerves with them. TERM 22 the body of the tongue is formed from DEFINITION 22 tuberculum impar and the lateral lingual swellings (distal tongue buds) (1st arch) TERM 23 the body of the tongue is formed from the DEFINITION 23 tuberculum impar and the lateral lingual swellings (distal tongue buds) (1st arch) TERM 24 the base of the tongue is formed by the DEFINITION 24 copula (2nd and 3rd arches) TERM 25 the part of the tongue that is formed first DEFINITION 25 the body TERM 26 the body of the tongue is formed from the DEFINITION 26 tubercular impar and the lateral lingual swellings (distal tongue buds) (1st arch) TERM 27 the base of the tongue is formed by the DEFINITION 27 copula (2nd and 3rd arches) TERM 28 during the _ _, the base of the tongue fuses with the anterior swellings, forming the _ _ DEFINITION 28 8th week; sulcus terminalis TERM 29 behind the sulcus terminalis is a hole called the DEFINITION 29 foramen cecum TERM 30 the foramen cecum is the beginning of the DEFINITION 30 thyroglossal duct TERM 31 the lingual, palatine, and pharyngeal tonsils form DEFINITION 31 Waldeyer's ring TERM 32 the _ and _ papillae form first DEFINITION 32 circumvallate and foliate TERM 33 cells of the foramen cecum descend the DEFINITION 33 midline of the pharynx to form the thyroglossal duct TERM 34 the thyroglossal duct DEFINITION 34 connects tongue and thyroid gland; solidifies and disappears (with the exception of cysts) TERM 35 the most common facial malformation is DEFINITION 35 cleft lip
