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24 Cards in this Set
- Front
- Back
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What duct system is active in males?
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Mesonephric ducts, differentiate into male structures via testosterone influence
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What duct system is active in females?
What forms the uterovaginal primordium? |
Paramesonephric ducts
Fusing of the caudal ends of the paramesonephric ducts, becomes uterus, superior portion of vagina |
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What forms the efferent ductules of the testes?
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Mesonephric tubules
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What do ectodermal cells form in the area of the glans?
What forms the above questioned structre in the rest of the spongy urethra? |
urethra
endoderm of urethral grooves |
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What 2 things form the penis?
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Phallus - dorsal wall of penis
Urogenital folds- fuse to form the ventral wall and body of penis |
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What is a condition characterized by a deficiency of androgen production that causes the testes to not be present in the scrotum at birth?
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Cryptorchidism
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What is a condition in which the urogenital folds do not fuse properly, and the patient has abnormal opening of the urethra on the ventral side of the penis?
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Hypospadias
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What is a condition in which the patient presents with female external genitalia, but is 46 XY, and have amenorrhea?
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Androgen insensitivity syndrome
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What is a condition in which an enzyme deficiency leads to an overporduction of androgens? What will it cause in males? in females?
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Adrenogenital syndrome
Females - masculinization of external genitalia Male - precocious puperty |
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What is the metanephros, and what is it formed from?
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True kidney, from the ureteric bud and metanephric blastema
Ureteric bud forms structures that drain the nephrons Metanephric blastema - nephron |
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Do kidneys rotate medially or laterally to reach their final position?
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Medially
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Prior to birth what serves the kidneys fxn?
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Placenta
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What does the urorectal septum divide the cloaca into?
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Anorectal canal posteriorly, urogenital sinus anteriorly
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What attaches the bladder to the umbilicus?
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Urachus that becomes the median umbilical ligament
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What is the urinary trigone formed by?
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the mesonephric ducts as they are incorporated into the dorsal wall of the bladder
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IF a patients has Low set ears, small chin, flattened nose, and limb anomalies, what might the child have?
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Pott's syndrome - a bilateral undevelopment of the kidneys
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What causes the horsheshoe kidney to be located so inferiorly?
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Inferior mesenteric a
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If a patient presents with exposed interior surface of the bladder and epispadias (urethral opening on dorsum of the penis), what does he have/
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Exstophy of the bladder
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What is a spherical cyst along the anterior border of sternocleidomastoid m?
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Branchial cyst
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What presents as discharge of saliva and infection in the neck?
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Branchial fistula
Open tract from the pharynx to the lateral surface of the neck |
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What presents as a swelling along the midline of the neck?
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Thyroglossal Duct Cyst
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What presents as micrognathia (smallness of the jaw), cleft palate, glossoptosis (posterior placement of tongue)
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First arch syndrome
Due to insufficient migration of neural crest cells |
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What presents with immunologic problems, hypocalcemia, micrognathia, cardiovascular defects?
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DiGeorge Syndrome
Thymic aplasia and/or absence of parathyroid glands Failure of 3rd and 4th pouches to differentiate into thymus and parathyroid gland |
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If a uterus does not fuse in the middle, what is it called/
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Bicornuate uterus
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