After shedding the zona pellucida, the outermost cells of the blastocyst differentiate to form the __________
Fill in the blank with the correct word.
Answer: Trophoblast
You might also like to view...
Where does the spinal cord end?
A. The lumbar enlargement B. The cauda equina C. The filum terminale D. The medullary cone E. The dorsal median sulcus
Define the underlined terms in the following case study. An 8-year-old 2/N cocker spaniel was presented to an emergency clinic for lethargy, anorexia, and abdominal distention from a fall from a two-story window 7 days ago. The dog initially presented to the clinic for ascites with a balloted fluid wave and dyspnea. The acute hemoabdomen was resolved with an abdominal exploratory to control
bleeding from the liver and spleen. Hemorrhaging was controlled at that time, and blood was suctioned from the abdomen. The dog also received a blood transfusion. Upon arriving at the clinic today it was noted on PE that the dog had pale pink mm, prolonged CRT, and was tachypnic and dyspneic. A chest radiograph revealed pneumothorax as the cause of tachypnea and dyspnea. A chest tube was placed in the dog pending surgical repair of the chest. 2/N lethargy anorexia abdominal distention ascites balloted dyspnea acute hemoabdomen abdominal exploratory transfusion PE mm CRT tachypnic chest radiograph pneumothorax chest tube What will be an ideal response?
What ovarian cycle changes would result if the LH surge did not occur?
A) If the LH surge did not occur, follicles would not develop, estrogen levels would increase, and the oocyte would not develop. B) If the LH surge did not occur, oocyte and follicular development would be faster and estrogen and progesterone levels would be higher. C) If the LH surge did not occur, the secondary oocyte would not complete meiosis I, ovulation would not occur, and the corpus luteum would not form. D) If the LH surge did not occur, the secondary oocyte would not complete meiosis I, ovulation would occur around day 7, and the corpus albicans would not form. E) If the LH surge did not occur, the menstrual phase would continue past day 7, inhibin secretion would not occur, and estrogen secretion would not occur.
Papillary muscles prevent the AV valves from prolapsing (bulging) excessively into the atria when the ventricles contract.
Answer the following statement true (T) or false (F)