Aortic/Branchial arch derivatives Flashcards Preview

First Aid Rapid Review KAM > Aortic/Branchial arch derivatives > Flashcards

Flashcards in Aortic/Branchial arch derivatives Deck (25)
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1
Q

1st Aortic Arch

A

Maxillary artery (1st arch is maximal)

2
Q

1st Branchial Arch Cartilage derivative

A

Meckel cartilage (Mandible malleus, incus, spheno-mandibular ligament)

3
Q

1st Branchial arch muscle derivatives

A

Muscles of Mastication (Masseter, temporalis, medial pterygoids)
Myelohyoid
Tensor tympani tensor veli palatini

4
Q

1st Branchial arch Nerve derivatives

A

CN V2 and V3

5
Q

1st Branchial Arch abnormalities

A

Treacher Collins syndrome (Mandibular hypoplasia, facial abnormalities)

6
Q

2nd aortic arch

A

Stapedial artery and hyoid artery (Second=Stapedial)

7
Q

3rd Aortic Arch

A

Common Carotid artery and proximal internal Carotid (C is third letter)

8
Q

4th Aortic Arch

A

Left aortic arch, right proximal part of right subclavian

4th arch 4 limbs, so systemic

9
Q

6th Aortic Arch

A

Proximal part of pulmonary arteries and ductus arteriosis

10
Q

1st Branchial Cleft

A

External auditory meatus

11
Q

2nd-4th Branchial cleft

A

Temporary cervical sinuses

12
Q

Second branchial arch cartilage derivatives

A

Reichert cartilage (Stapes, styloid process, hyoid lesser horn, stylohoid ligament)

13
Q

Second branchial arch muscles derivatives

A

Stapedius, Stylohyoid, platySma, posterior belly of digastric

14
Q

Second branchial arch nerve derivatives

A

CN VII

15
Q

Second branchial arch abnormalities

A

Congenital pharyngocutaneous fistula (fistula between tonsillar area and lateral neck)

16
Q

Third branchial arch cartilage derivatives

A

Greater horn of hyoid

17
Q

Third branchial arch Muscles derivatives

A

Stylopharyngeus (pharynx)

18
Q

Third branchial arch nerve derivatives

A

CN IX (glossoPHARYNgeal, pharynx)

19
Q

4th-6th branchial arch cartilage derivatives

A

Thyroid, cricoid, arytenoid, corniculate, cuneiform

20
Q

4th-6th branchial arch muscle derivatives

A

4th: Pharyngeal constrictors, levator veli palatini
6th: All intrinsic larynx muscles

21
Q

4th-6th branchial arch nerve derivatives

A

4th: CNX: Superior laryngeal swallow
6th: CNX: recurrent laryngeal

22
Q

1st Branchial pouch

A

Middle ear cavity, eustation tube, mastoid air cells

23
Q

2nd branchial pouch

A

Epithelial lining of palatine tonsil

24
Q

3rd branchial pouch

A

Dorsal wings: Inferior parathyroids

Ventral wings: Thymus

25
Q

4th branchial pouch

A

Superior parathyroids