In the eyelids, meibomian glands, also called tarsal glands, are a type of sebaceous gland that secrete a special type of sebum into tears. Fordyce spots are ectopic (misplaced) sebaceous glands found usually on the lips, gums and inner cheeks.ebaceous glands secrete the oily, waxy substance called sebum (Latin: fat, tallow) that is made of triglycerides, wax esters, squalene, and metabolites of fat-producing cells. Sebum waterproofs and lubricates the skin and hair of mammals.
Sugar Withdrawal Symptoms and Duration: What you can Expect. Sugar withdrawal symptoms vary and sugar withdrawal duration usually lasts between two and four weeks for most people. Tiredness, depression, flu symptoms, and irritability are common problems when you first give up eating sugar. Sugar does release opioids and dopamine, so some scientists believe it can be addictive.
Part 2: Alcohol Withdrawal Symptoms and Timeline. Experienced most often by adults, alcohol withdrawal symptoms may also occur in teenagers or children. The severity of withdrawal symptoms, including epileptic seizures, is directly related to how long a person has been drinking. The presence of other medical problems can also increase symptom severity.