In an adult, a solid, cordlike structure called the ______ ______ represents the
former umbilical vein.
Fill in the blank(s) with correct word
ligamentum teres
You might also like to view...
Which hormones of the HPA axis stimulate the synthesis of epinephrine by chromaffin cells?
A) thyrotropin-releasing hormone (TRH) B) growth hormone-releasing hormone (GHRH) C) adrenocorticotropic hormone (ACTH) D) gonadotropin-releasing hormone (GnRH)
Testosterone is secreted by the
A) hypothalamus. B) adenohypophysis. C) nurse cells. D) interstitial cells. E) suprarenal cortex.
A high local concentration of testosterone within the seminiferous tubules is essential for sustaining sperm production
Indicate whether the statement is true or false
Separation of the cytoplasm during cell division is called ________.
A. anaphase B. telophase C. mitosis D. cytokinesis E. metaphase