Aortic/Branchial arch derivatives Flashcards Preview

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

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

1st Aortic Arch

Maxillary artery (1st arch is maximal)

2

1st Branchial Arch Cartilage derivative

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

3

1st Branchial arch muscle derivatives

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

4

1st Branchial arch Nerve derivatives

CN V2 and V3

5

1st Branchial Arch abnormalities

Treacher Collins syndrome (Mandibular hypoplasia, facial abnormalities)

6

2nd aortic arch

Stapedial artery and hyoid artery (Second=Stapedial)

7

3rd Aortic Arch

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

8

4th Aortic Arch

Left aortic arch, right proximal part of right subclavian
(4th arch 4 limbs, so systemic)

9

6th Aortic Arch

Proximal part of pulmonary arteries and ductus arteriosis

10

1st Branchial Cleft

External auditory meatus

11

2nd-4th Branchial cleft

Temporary cervical sinuses

12

Second branchial arch cartilage derivatives

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

13

Second branchial arch muscles derivatives

Stapedius, Stylohyoid, platySma, posterior belly of digastric

14

Second branchial arch nerve derivatives

CN VII

15

Second branchial arch abnormalities

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

16

Third branchial arch cartilage derivatives

Greater horn of hyoid

17

Third branchial arch Muscles derivatives

Stylopharyngeus (pharynx)

18

Third branchial arch nerve derivatives

CN IX (glossoPHARYNgeal, pharynx)

19

4th-6th branchial arch cartilage derivatives

Thyroid, cricoid, arytenoid, corniculate, cuneiform

20

4th-6th branchial arch muscle derivatives

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

21

4th-6th branchial arch nerve derivatives

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

22

1st Branchial pouch

Middle ear cavity, eustation tube, mastoid air cells

23

2nd branchial pouch

Epithelial lining of palatine tonsil

24

3rd branchial pouch

Dorsal wings: Inferior parathyroids
Ventral wings: Thymus

25

4th branchial pouch

Superior parathyroids