• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/33

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

33 Cards in this Set

  • Front
  • Back
Pharyngeal Arch 1
Aortic Arch 1

CN V2 (sensory only), V3

Meckel's cartilage: Mandible, Mallleus, Sphenomandibular ligament, incus
Muscles: Muscles of mastication, Mylohyoid, Anterior belly digastric, Tensor tympani, Tensor veli palatini, ant 2/3 tongue

Maxillary Artery

Treacher Collins syndrome - 1st arch neural crest failure to migrate; mandibular hypoplasia, facial abnorm's
Pharyngeal Arch 2
Aortic Arch 2

CN VII
Reicher's cartilage: Stapes, Styloid process, Stylohyoid ligament, lesser horn styloid
Muscles: muscles of facial expression, Stapedius, Stylohyoid, post belly digastric

Stapedial Artery
Pharyngeal Arch 3
Aortic Arch 3

CN IX
Cartilage: greater horn of hyoid
Muscle: stylopharyngeus
Post 1/3 tongue

Common carotid artery
Prox. internal carotid artery

Congenital Pharyngocutaneous fistula - persistence of cleft & pouch --> fistula between tonsillar area, cleft in lateral neck.
Pharyngeal Arch 4
Aortic Arch 4

CN X (superior laryngeal)
Muscles: most pharyngeal constrictors, cricothyroid, levator levi palatini
Post 1/3 tongue

True aortic arch
Subclavian arteries
Pharyngeal Arch 5
Aortic Arch 5

Obliterated CN

True aortic arch
Subclavian arteries
Pharyngeal Arch 6
Aortic Arch 6

CN X (recurrent laryngeal)
All intrinsic muscles of larynx except cricothyroid.

Pulmonary arteries
Ductus arteriosus
Pharyngeal Pouch 1
Epithelium of middle ear and auditory tube

Pharyngeal membrane: Tympanic membrane

Pharyngeal Groove: Epithelium of external ear canal
Pharyngeal Pouch 2
Epithelium of palatine tonsil crypts

Obliterated pharyngeal membrane
Pharyngeal Pouch 3
Thymus, inferior parathyroid glands

3rd pouch structures end up BELOW 4th pouch
Aberrant 3rd/4th development: DiGeorge syndrome (T-cell deficiency and hypocalcemia)
Pharyngeal Pouch 4
Superior parathyroid glands
Ultimobranchial body
Fetal circulation
Umbilical vein = 80% O2 sat
Umbilical arteries = low O2 sat

Ductus venosus = conducts blood from umb. v into IVC (bypass hepatic circ)

Foramen ovale = IVC to heart; pumped out aorta to head + body

Ductus arteriosus = deox blood from SVC expelled into pulm artery and D. art to lower body
To close: Inc O2 --> dec PG's; indomethacin
To keep open: PG's
Telencephalon
Cerebral hemispheres
Lateral ventricles
Diencephalon
Thalami
3rd ventricle
Mesencephalon
Midbrain
Aqueduct
Metencephalon
Pons
Cerebellum
4th ventricle
Myelencephalon
Medulla
Syringomyelia
Enlarged central canal of spinal cord
Crossing fibers of spinothalamic tract damaged
BL loss of pain + sensation in UE's w/ preservation of touch sensation
Often in pts w/ Chiari II malformations
C8-T1 common
Ear: 1st arch
Bones: Malleus, incus
Muscle: tensor tympani (V3)
Ear: 2nd arch
Bones: Stapes
Muscles: Stapedius (VII)
Ear: 1st cleft
External auditory meatus
Ear: 1st branchial membrane
Tympanic membrane
Ear: 1st pouch
Eustachian tube
Middle ear cavity
Mastoid air cells
Tongue
1st pharyngeal arch:
ant 2/3
CN V3 = sensation
CN VII = taste

3rd/4th arches:
post 1/3
CN IX = sensation/taste
CN X = posterior taste

Motor innervation = CN XII
Cleft lip
Failure of fusion of maxillary and medial nasal processes = 1* palate
Cleft palate
Failure of fusion of lateral palatine processes, nasal septum, and/or median palatine process = 2* palate
Kidney: Pronephros
Week 4
degenerates
Kidney: Mesonephros
Interim kidney
1st trimester
Male genital system contributor ** must be INDUCED to remain**: Seminal vesicle, epididymis, Ejac duct, ductus deferens (SEED)

No in-utero fusion
Kidney: Metanephros
Permanent
Glomerulus --> DCT
Kidney: Urogenital sinus
Bladder
Urethra
Allantois
Kidney: Ureteric bud
Derived from mesophros

CD, Calyces, Pelvis, Ureter
Potter's syndrome
BL renal agenesis --> oligohydramnios

Limb deformities
Facial deform's
Pulm hypoplasia

Cause: malformation of ureteric bud
Paramesonephric = Mullerian Duct
Fallopian tube
Uterus
Upper 1/3 vag (lower 2/3 from urogenital sinus)

Failure to fuse: Bicornuate uterus (urinary tract abnorm's and infertility)
Male/Female homologues
Genital tubercle:
Estrogen --> Glans clitoris, vestibular bulbs
DHT --> Glans penis, Corpus spongiosum

Urogenital Sinus:
Estrogen --> Bartholin glands, Skene glands
DHT --> Cowper glands, Prostate

Urogenital folds:
Estrogen ---> Labia minora
DHT --> Penile urethra

Labioscrotal swelling
Estrogen --> Labia majora
DHT --> Scrotum