The below mentioned article provides a notes on gastrointestinal tract. Gastrointestinal tract can be described as a specialized tube communicating with the external environment both at its upper and lower ends. There is regional specialization suited for the local functions. The main functions of GIT are: 1. Secretion: Exocrine—enzymes; endocrine— hormones of GI tract 2. Motility 3. Absorption 4. Storage [...]
Liver has many functions. One of them is to secrete bile. The liver cells per day secrete about 600 to 1000 ml of bile. Bile secretion is a continuous process. Certain substances are actively secreted and certain other substances are passively transported. Water molecules follow the transported substances mechanism. Histology of Liver: Figure 5.22 shows basic histology of liver. Stages [...]
The below mentioned article provides notes on anterior pituitary gland. i. Anterior pituitary gland is also known as adenohypophysis. ii. Secretes a number of hormones which are generally termed as tropic hormones. iii. The secretion of hormones from anterior pituitary is regulated by the factors secreted by the hypothalamus (Fig. 6.7). The hypothalamic factors are of two types, namely: a. [...]