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March 18, 2017

Sympathetic Innervation of The Lower Limb

The sympathetic innervation of the lower limb is originated from the lower 3 thoracic and upper 2 lumbar (T10-L2) sections of the spinal cord. The preganglionic fibres originating from the lateral horn cells pass out via ventral roots. Afterward they […]
Anatomy
March 18, 2017

Segmental Innervation of The Lower Limb

Segmental Innervation of The Skin (Dermatomes) The area of the skin provided by a spinal nerve is named dermatome. The lower limb bud develops on the ventrolateral aspect of the body wall opposite L1 S3 spinal sections; consequently, the skin […]
Anatomy
March 18, 2017

Cutaneous Innervation of The Lower Limb

The cutaneous nerves supplying the lower limb are originated from the branches of nerves of lumbar and sacral plexuses with the exception of some proximal unisegmental nerves originating from T12 or L1 spinal nerves. The the majority of the cutaneous […]
Anatomy
March 18, 2017

Femoral Nerve

It’s the main nerve of the anterior compartment of the thigh. It’s the largest branch of the lumbar plexus and originates from the dorsal sections of the anterior primary rami of L2, L3, L4 nerves. It descends via the psoas […]
Anatomy
March 18, 2017

Nerves of The Lower Limb

The nerves of the lower limb are originated from the ventral (anterior primary) rami of the lumbar and sacral nerves creating the lumbar plexus (L1 L4) in the posterior abdominal wall and the sacral plexus (L4 S4) in the pelvis. […]
Anatomy
March 18, 2017

Lymphatic Drainage of The Lower Limb

The understanding of lymphatic drainage of the lower limb is of great clinical relevance because inflammatory lesions of limb cause painful enlargement of the lymph nodes on the other hand blockage of lymphatics by microfilarial parassites contributes to massive edema […]
Anatomy
PHYSIOLOGY
February 23, 2017

Acid Base Disorders – Acid Base Tutorial

Acid-base disturbances are first characterized by the initial change in pH. There are four major classes of acid-base disturbances: respiratory acidosis, respiratory alkalosis, metabolic acidosis, and metabolic alkalosis. The acid-base disturbances are further categorized as compensated or uncompensated. Compensation attenuates […]
Physiology
February 23, 2017

Various Methods of Birth Control Work

Birth control methods may be categorized into several groups based on their mode of action: hormonal, chemical and behavioral contraceptive methods, anti-implantation devices, sterilization, and induced abortion. Contraception Contraception is the prevention of conception, which is the union of sperm […]
Physiology
February 23, 2017

The Inheritance of the More Common Inherited Disorders

Inherited, or genetic, diseases are caused by either chromosome abnormalities or specific alleles. The development of advanced techniques and new knowledge makes an understanding of genetic disease increasingly important. Chromosome Abnormalities Some genetic diseases are related to the presence of […]
Physiology
February 23, 2017

Roles of DNA, Genes, And Chromosomes in Inheritance

Genetics is the study of heredity, the passing of inherited traits from one generation to the next. The determiners of hereditary traits are located on chromosomes, consisting of DNA and proteins. It is the DNA that controls inheritance and directs […]
Physiology
February 23, 2017

Disorders of Pregnancy, Prenatal Development, And Postnatal Development

Pregnancy Disorders Eclampsia (e-klamp’-se-ah), or toxemia of pregnancy, is a disorder that occurs in two forms. Preeclampsia of late pregnancy is characterized by increased blood pressure, edema, and proteinuria (protein in the urine). The cause is unknown. If unsuccessfully treated, […]
Physiology
February 23, 2017

Lactation – The Control of Lactation and Milk Ejection

High blood levels of estrogens and progesterone during pregnancy stimulate the development of the mammary glands and enlargement of the breasts in preparation for milk secretion, or lactation (lak-ta’-shun). Although the mammary glands are capable of secreting milk, the high […]
Physiology
HEALTH
August 27, 2016

Ingrown Toenail – Causes, Symptoms , Measures and Treatment

Most common in guys, an ingrowing toenail is painful increase of the interior edges of a toenail into the surrounding skin. Tight or badly fitting shoes raise the risk. What Causes It? An ingrowing toenail curves under on one or […]
Health and Medicine
August 27, 2016

Excessive Hair – Causes, Measures and Treatment

Hair growing occurring in places that would not usually have hair, or excessive hair development, is more common in women and happens just after puberty it’s more common with increasing age and occasionally runs in families. There are two kinds […]
Health and Medicine
August 27, 2016

Alopecia – Causes, Measures and Treatments

Hair loss, or alopecia, can appear in any body region but is especially noticeable when it changes the scalp, causing baldness. Alopecia may be localized (in which hair is lost in spots) or generalized (in which there is thinning or […]
Health and Medicine
August 27, 2016

Sunlight Protection – Skin Harm, SPF, Sun lotion and Sunblock

More than 40,000 people in the UK are diagnosed with skin cancer every year, and around 2,000 people die of it. It’s the second most common cancer in the state. Unlike many cancers, skin cancer is a disease that’s largely […]
Health and Medicine
August 27, 2016

Taking Care of Your Own Hair

As hair is such a notable part of a man’s look, many individuals, especially girls, spend lots of time and money looking after it. This isn’t needed and an easy regime of gradually washing and conditioning your hair every other […]
Health and Medicine
August 27, 2016

Malignant Melanoma – Causes, Risks, Symptoms, Treatment and Prognosis

Of all the kinds of skin cancer, malignant melanoma is the most serious. Malignant melanoma has become more common with our obsession with getting and keeping a suntan. A melanoma may start as a fresh development on normal skin or […]
Health and Medicine