ANAT 1502 Pharyngeal Apparatus

ANAT 1502 Pharyngeal Apparatus - Development of the Head...

Info iconThis preview shows pages 1–11. Sign up to view the full content.

View Full Document Right Arrow Icon
Development of the Head and Neck • 1 st pharyngeal arches appear by day 24 • By the end of week 4, four of the arches are apparent Monday, July 12, 2010
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
• Fig. 11-3 A; pg 155 Monday, July 12, 2010
Background image of page 2
Pharyngeal Apparatus • Pharyngeal arches (6) – The 5 th arch will be vestigial – Support the walls of the pharynx • Pharyngeal clefts (grooves) • Pharyngeal pouches • Pharyngeal membranes – endoderm of pouch + ectoderm of groove Monday, July 12, 2010
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Stomodeum • will become the mouth • Separated from pharynx by oropharyngeal membrane • This membrane is bilaminar, endoderm and ectoderm – it was at one time the precordal plate The membrane will rupture by day 26 Monday, July 12, 2010
Background image of page 4
The components of the pharyngeal arch • It is originally a core of mesenchyme (mesoderm + neural crest cells) with ectoderm on its outside and endoderm on the inside. Monday, July 12, 2010
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Structures in the pharyngeal arches • aortic arch vessels • cartilaginous rods • muscular components • nerves Monday, July 12, 2010
Background image of page 6
• Fig. 11-3 C; pg 155 Monday, July 12, 2010
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
• Table 11-1; pg. 157 Monday, July 12, 2010
Background image of page 8
• Fig 11-7; pg. 159 Monday, July 12, 2010
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
• Fig. 11 – 5; pg. 157 Monday, July 12, 2010
Background image of page 10
Image of page 11
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/21/2011 for the course ANAT 1502 taught by Professor Johnh.romfh during the Spring '10 term at Life Chiropractic College West.

Page1 / 31

ANAT 1502 Pharyngeal Apparatus - Development of the Head...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online