The umbilical cord serves as the vital link between the developing fetus and the placenta. Understanding its basic structure is important for grasping fetal circulation.
A typical umbilical cord contains specific vascular structures:
This arrangement of two arteries and one vein is the standard configuration in a healthy umbilical cord.
The specific number of arteries and veins is a key anatomical feature. Variations can sometimes indicate underlying developmental issues, making the standard two arteries and one vein composition clinically significant.
Which of the following are correct regarding pelvic cellular tissue?
1. It supports the pelvic organs.
2. It forms protective sheath for blood vessels and terminal part of ureter.
3. It prevents infection to be spread out of pelvis.
4. Marked hypertrophy of pelvic cellular tissue occurs in pregnancy.
Select the answer using the code given below.