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Neuro > EMBYRO Origins > Flashcards

EMBYRO Origins Flashcards

1
Q

Embyological Origins: Rathke’s pouch?

A

surface ectoderm

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2
Q

lens and cornea - origin?

A

surface ectoderm

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3
Q

inner ear organs - origin?

A

surface ectoderm

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4
Q

olfactory epithelium - origin?

A

surface ectoderm

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5
Q

nasal and oral epithelial lining - origin?

A

surface ectoderm

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6
Q

epidermis - origin?

A

surface ectoderm

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7
Q

salivary, sweat and mammary glands?

A

surface ectoderm

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8
Q

pineal gland - origin?

A

neural tube

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9
Q

brain and SC - origin?

A

neural tube

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10
Q

brachial arches - origin?

A

neural crest

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11
Q

Posterior pit - origin?

A

neural tube

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12
Q

retina - origin

A

neural tube

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13
Q

ganglia - origin?

A

neural crest

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14
Q

parts from heart from neural crest?

A

aorticopulmonary septum and endocardial cushions

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15
Q

adrenal medulla - origin?

A

neural crest

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16
Q

muscles, connective tissue, bone, cartilage - origin?

A

mesoderm

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17
Q

kidney and ureters - origin?

A

mesoderm

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18
Q

serosa linings - origin?

A

mesoderm

19
Q

lungs - origin?

A

endoderm

20
Q

parathyroids- origin?

A

endoderm

21
Q

middle ear - origin?

A

endoderm

22
Q

bladder and urethra - origin?

A

endoderm

23
Q

Aortic Arch Derivatives?

A 
1 - maxillary artery
2 - stapedial artery
3 - carotids
4 - aortic arch and right subclavian
6 - pulmonary arteries and ductus arteriosis
24
Q

Brancial Cleft derivatives?

A

1 - external auditory meatus

2 - 4 - temporary cervical sinuses (obliterated, or made into a cyst)

25
Q

1st branchial arch - cartilage

A

CHEW (5th N innvervation)

Meckel’s cartilage - mandible, malleus/incus, sphenoMandibular junction

26
Q

2nd branchial arch

A 
SMILE Reichert's cartilage (5 'S's) 
CN 7
Stapes
Styloid
Stylohyoid
Lesser horn ("smaller") hyoid
Superior body of hyoid
27
Q

3rd brachial arch

A

SWALLOW STYLISHLY
CN9
Stylopharyngeus

28
Q

4th brachial arch

A

SIMPLY SWALLOW
Superior Laryngeal branch of CNX
pharyngeal constrictors, cricothyroid, levator veli palatini

29
Q

1st branchial arch - muscles

A

CHEW (5th N innvervation)

  • muscles of mastication (masseter, teMporalis, Medial and lateral pterygoids)
  • Mylohyoid,
  • ANT digastric
  • Tensors
30
Q

3th brachial arch - cartilage

A

greater horn of hyoid

31
Q

6th brachial arch

A

SPEAK:

recurrent laryngeal branch of CN10 -muscles of larynx except cricothyroid

32
Q

4-6th brachial arch - cartilage

A

thryod, cricoid, artenoids, corniculate, cuneiform

33
Q

Mandibular hypoplasia and facial abnormalities - problem

A

1st brachial arch migration failure (treacher colins syndrome)

34
Q

fistula between tonsillar area and cleft in neck - problem?

A

presistence of 3rd cleft and pouch

35
Q

Tongue formed by?

A

3rd and 4th brachial arch

36
Q

Middle ear, eustachian tube and mastoid air cells - origin?

A

1st brachial pouch

37
Q

Develops into epithelial lining and palatine tonsil?

A

2nd brachial pouch

38
Q

inferior parathyroids - origin also develops?

A

3rd pouch. thymus

39
Q

4th brachial pouch derivative?

A

superior parathyroid.

40
Q

Overview: Surface Ectoderm - Mneumonic?

A 
BEADPEEL
Breast glands
Enamel
Anti-Pit and Anal canal
Distal urethra
Parotid
Epidermis
Ear organs
Lens of Eye
41
Q

Overview: Neuroectoderm derivatives?

A

CNS and post pit, retina,

42
Q

Overview: Neural crest derivatives?

A 
SHAPES
Skull bones
Heart (aorticopulmonary septum)
Arachnoid
Pia
Endo (C-cells, chromaffin)
Skin (melanocyes)
43
Q

Overview: Mesodermal defects?

A 
VACTERL
Vertebral defects
Anal atresia
Cardiac defects
Tracheo-Esophageal fistula
Renal defects
Limb defects
44
Q

Overview: Endoderm derivatives

A

GI tract (including liver/pancreas)
Respiratory tract
Neck (thymus, thyroid, parathyroid)

Neuro (14 decks)

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