Pathophysiology

Question 1

Caveolae

Answer 1

caveolae
caveola [ka″ve-o´lah] (pl. caveo´lae) (L.)
one of the minute pits or incuppings of the cell membrane formed during pinocytosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
caveola (kăv-ē-ō′lă) plural.caveolae
A small pit or depression formed on the cell surface during pinocytosis.

Question 2

Mitogens

Answer 2

mitogen
mitogen [mi´to-jen]

1. Any agent that promotes cell nuclear division (MITOSIS). Mitogens are important in genetic research and technology. Pokeweed mitogen, derived from the plant Phytolacca americana , is a powerful mitogen of B LYMPHOCYTES.
2. Any substance that non-specifically causes lymphocytes to proliferate.

Question 3

Platysma muscle

Answer 3

platysma (muscle)
pla·tys·ma (mus·cle) [TA]
facial muscle in neck region; origin, subcutaneous layer and fascia covering pectoralis major and deltoid at level of first or second rib; insertion, lower border of mandible, risorius and platysma of opposite side; action, depresses lower lip, forms ridges in skin of neck and upper chest when jaws are “clenched”, denoting stress, anger; nerve supply, cervical branch of facial.