Talk:BGDB Face and Ear - Early Embryo

From Embryology
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

BGD Internal Links 2009 Practical Head 2. Early Embryo


Original table before template

Arch

Nerve

Muscles

Skeletal

Artery

1
(maxillary/mandibular)
trigeminal (V)

mastication
(temporalis, masseter, medial pterygoid, lateral pterygoid)

Meckel's cartilage
mandible modelmalleus, incus

maxillary(terminal branches)

2
(hyoid)
facial (VII)

facial expression
(buccinator, platysma, stapedius, stylohyoid, digastric posterior belly)

Reichert's cartilage
stapes, styloid process, lesser cornu of hyoid, upper part of body of hyoid bone

stapedial (embryonic)
corticotympanic (adult)

3
glossopharyngeal (IX)

stylopharyngeus

greater cornu of hyoid, lower part of body of hyoid bone

common carotid, internal carotid (root)

4 and 6
superior laryngeal and recurrent laryngeal branch of vagus (X)

intrinsic muscles of larynx, pharynx; levator palati

thyroid, cricoid, arytenoid, corniculate and cuneform cartilages

4 - aortic arch, right subclavian
6 - ductus arteriosus, pulmonary (roots)

Structures derived from Pouches

Pouch

Overall Structure

Specific Structures

1

tubotympanic recess

tympanic membrane, tympanic cavity, mastoid antrum, auditory tube

2

intratonsillar cleft

crypts of palatine tonsil, lymphatic nodules of palatine tonsil

3

inferior parathyroid gland, thymus gland

4

superior parathyroid gland, ultimobranchial body

5

becomes part of 4th pouch