Structure of Olfactory receptors and Mechanism of Olfaction
Olfaction is the sense of smell. It is how we perceive odors. Nose is the organ with millions of olfactory receptors that help us perceive […]
Zoology
Typical structure of a Synovial Joint
Most of the permanent joints in our body are synovial joints. They are more complicated in structure and allow more free movement than any other […]
Structure and Types of Joints in the Human Body
A joint, also known as articulation is the place where two adjacent bones or cartilages meet. Although most joints are movable, some are not. Movable […]
Differences between Male and Female Ascaris
S.N. Male Ascaris Female Ascaris 1. Body is about 15-30 cm long. They are longer (20-40 cm) than males. 2. Their body is narrower. Their […]
Human teeth: Types, Dental formula, Structure, Composition and Functions
Teeth are present on both the jaws; borne by the pre-maxillae and maxillae of the upper jaw and mandibles of the lower jaw. Human teeth […]
Disorders and injuries associated with skeleton and joints
Any violent movement, such as jump, fall or knock, may cause injury to the skeleton. There are various types of injuries or disorders related to […]
Differences between Red and White skeletal muscle fibers
S.N. Red Muscle Fibers White Muscle Fibers 1. They are dark red with abundant pigment, myoglobin. They are light in color as they have very […]
Structure and Types of Animal egg cell or ovum
Egg cell or ovum, also known as female gamete is formed by the process of oogenesis in female organisms. They are produced by follicle cells […]
Sequential events and stages in the development of frog (pre-embryonic, embryonic and post-embryonic development)
Introduction: In sexual reproduction, development of organisms begins with a fertilized egg or zygote. Zygote divides and re-divides to form an embryo. Embryo is the […]
Differences between Nerve cells and Glial cells
S.N. Nerve cells Glial cells 1. They are neuronal cells and are also called neurons. They are non-neuronal cells and are also called neuroglia. 2. […]