Various types of macrophages are derived from
A) lymphocytes.
B) monocytes.
C) neutrophils.
D) eosinophils.
E) basophils.
Question 2
A very large, fast-adapting tactile receptor that is composed of a single dendrite enclosed by concentric layers of collagen is a
A) Bulbous corpuscle.
B) lamellar (Pacinian) corpuscle.
C) tactile (Meissner) corpuscle.
D) tactile (Merkel) disc.
E) root hair plexus.