Term
Which aortic arch develops into the Maxillary artery? |
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Definition
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Term
Which aortic arch develops into the stapedial artery and hyoid artery? |
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Definition
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Term
Which aortic arch forms the carotid artery? |
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Definition
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Term
Which aortic arch develops into the proximal part of the right subclavian artery? |
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Definition
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Term
Which aortic arch develops into the ductus arteriosus? |
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Definition
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Term
Which structures are associated with the first branchial arch? |
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Definition
Meckel's cartilage, mandible, malleus, incus, muscles of mastication, ant. belly of digastric, tensor tympani, tensor veli palatini. |
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Term
Which disease is associated with the first branchial arch? |
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Definition
Treacher Collins syndrome: presents as mandibular hypoplasia and facial abnormalities. |
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Term
Which structures are associated with the second branchial arch? |
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Definition
stapes, styloid process, stylohyoid, muscles of facial expression, posterior belly of the digastric. |
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Term
Which structures are associated with the third branchial arch? |
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Definition
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Term
Which structures are associated with the fourth-sixth branchial arches? |
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Definition
cartilages: thyroid, arytenoids, corniculate, cuneiform. 4th arch: cricothyroid, 6th arch: intrinsic muscles of the larynx. |
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Term
Which branchial cleft forms the external auditory meatus? |
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Definition
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Term
Which branchial pouch forms the middle ear cavity? |
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Definition
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Term
Which branchial pouch forms the eustacian tube? |
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Definition
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Term
Which branchial pouch forms the mastoid air cells? |
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Definition
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Term
Which branchial pouch forms the epithelial lining of the palatine tonsil? |
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Definition
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Term
Which branchial pouch forms the inferior parathyroid glands? |
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Definition
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Term
Which branchial pouch forms the thymus? |
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Definition
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Term
Which branchial pouch forms the superior parathyroid glands? |
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Definition
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Term
Which syndrome results from aberrant development of the third and fourth pouches? |
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Definition
DiGeorge Syndrome: Tcell deficiency and hypocalcemia. |
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Term
Which branchial arch forms the anterior 2/3 of the tongue? |
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Definition
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Term
Which branchial arches form the posterior 1/3 of the tongue? |
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Definition
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Term
From what are the muscles of the tongue derived? |
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Definition
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Term
What are the symptoms of a thyroglossal duct cyst? |
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Definition
Midline cyst that moves with swallowing. |
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Term
What results from failure of fusion of the maxillary and medial nasal processes? |
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Definition
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Term
What results from failure of fusion of the lateral palatine processes, the nasal septum and/or the median palatine process? |
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Definition
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Term
Failure of lateral fold closure causes... |
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Definition
omphalocele or gastroschisis |
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Term
Failure of caudal fold closure causes... |
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Definition
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Term
Cause of jejunal, ileal, or colonic atresia? |
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Definition
vascular accident (apple peel atresia) |
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Term
What contributes of the pancreatic head and main pancreatic duct? |
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Definition
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Term
What becomes the pancreatic body, tail, isthmus and accessory pancreatic duct? |
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Definition
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Term
Cause of annular pancreas |
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Definition
Ventral bud encircles second part of the duodenum. |
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Term
Cause of pancreas divisum? |
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Definition
failure of ventral and dorsal parts of the pancreas to fuse at 8 weeks. |
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Term
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Definition
Dorsal mesentery, mesoderm. |
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Term
What gives rises to the ureter, renal pelvis, and calyces? |
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Definition
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Term
Most common site of ureteric obstruction in fetus? |
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Definition
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Term
Which artery does a horseshoe kidney get trapped under? |
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Definition
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Term
With which disease is horseshoe kidney associated? |
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Definition
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Term
What is the role of the SRY gene? |
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Definition
Produces testis determining factor--> Testes development. |
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Term
What is the role of Mullerian inhibitory factor (MIF) in male fetal development? |
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Definition
Inhibits paramesonephric duct development. |
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Term
What do the mesonephric ducts form? |
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Definition
Seminal vesicles, Ejaculatory duct, Epididymis, and ductus deferens |
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Term
What do Paramesonephric ducts form? |
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Definition
Uterus, fallopian tubes, upper vagina, |
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Term
What is the result of incomplete fusion of the paramesonephric ducts? |
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Definition
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Term
How will development proceed in an individual with 46XY genotype, but no sertoli cell development? |
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Definition
Individual will develop both male and female internal genitalia, but male external genitalia. (MIF is usually secreted by sertoli cells) |
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