Examlex
Which of the following is the definition for a pair of diastereomers?
Blood Islands
Clusters of developing blood cells and vessels found in the embryonic yolk sac.
Sinus Venosus
End of the embryonic cardiac tube where blood enters the heart; becomes a portion of the right atrium, including the SA node.
Pharynx
Upper expanded portion of the digestive tube between the esophagus below and the oral and nasal cavities above and in front.
Thyroid Gland
Endocrine gland located inferior to the larynx and consisting of two lobes connected by the isthmus; secretes the thyroid hormones triiodothyronine (T3) and tetraiodothyronine (T4).
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