Tear gland: The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead to dry eyes.Also called a lacrimal gland.ear gland: The gland that makes tears. An abnormality of the tear glands can impair the production of the tears and lead to dry eyes.
Answer: Left Axis Deviation (LAD) refers to the pattern of electrical activation that occurs in the heart. LAD is an EKG-specific finding and not necessarily indicative of any specific cardiovascular condition. In fact, LAD is the most common EKG abnormality observed in adults, occurring in almost 10% of the adult population.
If the function is odd, it will be symmetric about the origin. If neither is true, the function is neither even nor odd.  1 Symmetric about the y-axis means that the behavior of the graph on the left side of the y-axis perfectly mirrors or reflects the behavior of the graph on the right side of the y-axis.