The target organ of hepatitis B virus (HBV) is the liver.
Since DNA is present in the nucleus of all cells, it is actually present in all organs.
parenchymal: essential, distinctive cells of an organ.
the hierarchy of cells from cells onward is :cells, tissues(this is the ensemble of cells), organ, organ system, organism.
The ganglia in or near the target organ are called intramural ganglia. These ganglia are part of the autonomic nervous system and are responsible for regulating local functions within the target organ.
target cells
The liverliver
The pituitary glad belongs to the endocrine system. The endocrine system contributes to the homeostasis, or balance, or the body by distributing hormones which regulate the activity and growth of target cells in the body.
Oxytocin causes the uterus to contract. Oxytocin is released by the posterior pituitary gland.
Once a hormone reaches it's target organ or cell, it increases or decreases the action in the organ or cell. This occurs with the metabolism of the hormones and cells.
spiral organ of Corti
An organ that contains receptor cells is called a sensory organ. These organs perceive external stimuli such as light, sound, touch, taste, and smell and transmit this information to the brain for processing.
Parietal cells in the stomach, which secrete HCl
The pituitary glad belongs to the endocrine system. The endocrine system contributes to the homeostasis, or balance, or the body by distributing hormones which regulate the activity and growth of target cells in the body.
Lymph nodes
uterus is the organ and reproductive/endocrine system cause the contraction (hormone-oxytocin is released in the body that causes the contractions to occur. If a woman is induced for labor pitocin is given which is the "man made" form of oxytocin
The human body is composed of billions of cells. Each organ in the body is comprised of thousands of tissues, each of which are formed by thousands of cells.