The typical vertebrate retina comprises multiple cellular layers composed of different cell types. Which of the following cell types in the retina does NOT directly synapse with horizontal cells?

Umbilical artery indices are higher at the fetal abdominal wall than at the placental insertion.

The abnormality on the image below is:

Based on the ultrasound image below it is:

Resistance in the umbilical artery is higher early in pregnancy and should decrease as pregnancy progresses.

The lowest RI in identifying the IUGR is seen?

What is the purpose of the nictitating membrane in a frog?

Identify the structure labeled “C” of the male frog anatomy.

Identify the structure labeled “B” of the internal frog system.

Identify the structure labeled “B” of the frog heart.