Disorders of lungs are divided in different categories for better understanding:- 1. Obstructive lung disorders These are characterized by the blockage of the airflow through the airways . The obstruction may be acute or chronic. Different types of disorders under […]
The brain is a large organ which lies in the cranial cavity. The average weight of brain is 1.4kg. It is divided in 4 parts: cerebrum, brain stem, diencephalon and cerebellum. DIENCEPHALON This part of brain connects the cerebrum to […]
PANCREATIC ISLETS Pancreas are both, exocrine as well as endocrine. the exocrine pancreas secrete pancreatic juice, while the endocrine pancreas consist of clusters of cells; known as pancreatic islets present throughout the gland. the pancreatic hormones are secreted directly into […]
REPRODUCTIVE CYCLE It refers to the series of events which regularly occurs in female after every 26-30 days. It occurs throughout the childbearing period between menarche and menopause. The cycle leads to the changes which takes place regularly in ovaries […]
The DNA holds the biological information of a cell; which lies within the base code in the center of double helix. The product of these information is always proteins. proteins are very essential for all the aspects of life; it […]
Blood Circulation Circulation of blood is of 3 types- the systemic circulation which takes place between the heart and body cells, pulmonary circulation takes place between heart and lungs and lastly the coronary circulation which takes place within the heart. […]
PANCREAS The pancreas is a pale grey gland which is situated in the epigastric and left hypochondriac region of abdominal cavity. It weighs around 60g and is about 12-15cm long. It consist of broad head, a body and the narrow […]
URETERS The two ureters are about 20-25 cm long with diameter of 3 mm. the ureters are continuous from renal pelvis, it passes down through the abdominal cavity into the pelvic cavity behind the peritoneum, and passes obliquely into the […]
CENTRAL NERVOUS SYSTEM The CNS is divided in two essential pats: the brain and spinal cord. Both these parts are surrounded and protected; brain is enclosed by the skull and the spinal cord is protected by vertebral column. The membranous […]
Nervous tissue is of two types: neurons and neuralgia. Neurons are the working unit of the nervous system that generate nerve impulses. These neurons are supported by the connective tissue; collectively these tissue are known as neuralgia. Neuralgia is formed […]