Science Quiz / Unit 3 Embryology

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Can you name the Unit 3 Embryology?

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QuestionAnswer
liver is formed from which embryonic germ layer?
adult remnant of the urachus
Which embryonic germlayer form the epithelium that lines the digestive tube and the parenchymal cells of several associated digestive organs?
blood supply to hindgut?
the autonomic nervous system that innervates the viscera of the abdomen is derived from?
the 2nd half of the duodenum, jejunum, and ileum are derived from which portion of the embryonic GI tract?
the cecum, ascending colon and the proximal 2/3rds of the transverse colon are derived from which portion of the embryonic GI tract?
the seminiferous tubules and rete testis are formed from the ____ _____ sex cords.
the greater, lesser, least and lumbar splanchnic nerves (sympathetic) and the vagus nerve (parasympathetic) provide innervation to the derivatives of which portion of the embryonic
Secreted by Sertoli cells, this hormone is believed to induce the differentiation of the primitive germ cells to spermatogonia and to induce the development of seminiferous tubules
a birth defect of the urethra in the male that involves an abnormally placed urinary meatus. Instead of opening at the tip of the glans of the penis, the urethra opens anywhere alo
anomaly of vitelline duct that occurs as a small pouch on the small intestine; persists in ~ 2%;
peristent herniation of intestine in umbilical cord; has umbilical membrane on protruding intestine1 in 5,000.
occurs when the division of the cloacal membrame is incomplete and the anal membrane remains intact.
labia majora are formed from the _____ swellings.
ovarian follicles are formed from ___ sex cords.
the allantois regresses into a cord-like remnant called the _____.
skeletal muscle of the upper esophagus is derived from the ____ pharyngeal arch
Failure of migration of neural crest cells to GI tract to become enteric parasympathetic ganglia results in which disease?
the lumbar and sacral splanchnic nerves (sympathetic) and the pelvic splanchnic nerves (parasympathetic) provide innervation to the derivatives of which portion of the embryonic GI
blood supply to midgut?
QuestionAnswer
smooth muscle of the lower esophagus is derived from ______ ______.
A large volume of amniotic fluid
the pancreas is derived from which portion of the embryonic GI tract?
a bowel obstruction with a loop of bowel whose nose has abnormally twisted on itself
labia minora are formed from the _____ _____.
the greater omentum is derived from the ____ mesentery.
a birth defect in which an infant's intestines stick out of the body through a defect on one side of the umbilical cord. no membrane present on protruding intestine.
the spleen is derived from which portion of the embryonic GI tract?
True or False: Unilateral renal agenesis is fatal.
the gallbladder is derived from which portion of the embryonic GI tract?
the distal 1/3 of transverse colon, descending colon, sigmoid colon, and rectumare derived from which portion of the embryonic GI tract?
Which embryonic folding forms the hindgut?
the 1st half of the duodenum is derived from which portion of the embryonic GI tract?
perisistent mesonephric duct in males
at which week of gestation do male and female reproductive organs become distinguishable?
the stomach is derived from which portion of the embryonic GI tract?
genital ducts in the male are formed by the _______ duct.
The bladder and the urethra are derived from the urogenital sinus which is derived from which embryonic germ layer?
the spleen is formed from which embryonic germ layer?
Reduced amount or absent amniotic fluid
Which embryonic folding forms the foregut?
QuestionAnswer
the spermatogonia and oogonia are derived from which embryonic germ layer?
The kidneys and the ureters are derived from ________ mesoderm
the body of the penis is formed from the _____ _____.
the earliest stage of kidney formation, develop in the cervical intermediate mesoderm as solid cords of cells along a craniocaudal axis bilaterally
occurs when one or both kidneys may fail to develop
True or False: Bilateral renal agenesis is fatal.
this structure is defined as a fibrous cord-like ligament that passes through the anterior abdominal wall and connects the inferior pole of each gonad with primordia of the scrotum
a condition in which the first part of the small bowel (the duodenum) has not developed properly. It is not open and cannot allow the passage of stomach contents.
the lesser omentum and the falciform ligament is derived from the ____ mesentery.
a disorder of the digestive system in which the esophagus does not develop properly;In most cases, the upper esophagus ends and does not connect with the lower esophagus and stomac
allantois is derived from the _____ mesoderm
Which embryonic folding forms the midgut?
the glans and shaft of the clitoris and the glans and the shaft of the penis are derived from what?
most organs of the reproductive system is derived from which embryonic germ layer? (specific)
blood supply to foregut?
the tunica albiguinea is formed from the ____ sex cords.
the urinary meatus is localized on the upper side of the penis or clitoris.
genital ducts in the female are formed primarily by ______ ducts.
the greater splanchnics and lesser splanchnics (sympathetic) and the vagus nerve (parasympathetic) provide innervation to which portion of the embryonic GI tract?
the scrotum is formed from the ______ ______.
the liver is derived from which portion of the embryonic GI tract?

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