What is the acrosome of sperm derived from?
Describe the immune response stimulated via Peyer's patches.
What are 3 examples of peripheral lymphoid tissue?
The spinal cord ends at what level in adults?
What are the blood cell differentiation names of the NEUTROPHIL, EOSINOPHIL, and BASOPHIL cell lines beginning with the myeloblast stage?
After the first breath at birth, what causes closure of the ductus arteriosus?
From what does the ligamentum teres hepatis arise?
A lesion of the right visual fibers just prior to the visual cortex produces?
retinacular arteries are named after what and why?
Common peroneal, Tibial, Femoral, and Obturator nerves arise from what spinal cord segments ?
What is the course of an indirect inguinal hernia?
Do continuous masturbation leads to premature ejaculation?
Define Pacinian corpuscles?