1. The medulla oblongata regulates involuntary bodily functions. 2. Essential activities like heartbeats, respiration, vasomotor functions, and peristalsis are governed by the medulla oblongata. 3. Injury to the medulla oblongata results in an immediate cessation of these vital functions. 4. Consequently, damage to the medulla oblongata can lead to abrupt cessation of life.
1. Rakesh’s fall from the motorbike involved the protective brain membranes: dura mater, arachnoid membrane, and pia mater, shielding against injury. 2. The cerebrospinal fluid (CSF) also served as a shock absorber during the accident, enhancing protective measures.
Excessive thirst (polydipsia) and frequent urination (polyuria) result from insufficient secretion of ADH in the associated disease.
The function of testosterone: 1. Testosterone facilitates the development of genital tracts. 2. Inadequate secretion or failure of testosterone leads to eunuchoidism, affecting the formation of secondary sexual characteristics.
The pancreas contains clusters of endocrine cells known as Islets of Langerhans, and these islets comprise four distinct types of hormone-secreting cells 1. Alpha (α) cells: constituting 20%, release glucagon—a hyperglycemic hormone that promotes glucogenolysis in the liver, elevating blood glucose levels. 2. Beta (β) cells: comprising 70%, produce insulin—a hypoglycemic hormone triggering glycogenesis in … Read more
1.Melatonin. 2.The pineal gland, a small endocrine organ located in the brain, generates and releases melatonin, a hormone crucial for regulating biological rhythms like sleep and wake cycles. Light inhibits melatonin secretion, while darkness triggers it.
Excessive release of growth hormones in adults results in the abnormal lengthening of the bones in the arms, legs, and lower jaw, leading to a condition known as acromegaly.
Hormones derived from steroids.
Corpus luteum