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Aortography
2013-04-30 10:09:04

Aortography is the study of the specific action involving the ejection of blood from the aorta in the heart. Taking an aortogram from the patient could identify if there is a tear in the intimal wall of the aorta. This tear is eventually fatal but can be repaired in some cases. Procedure A catheter is placed in the aorta of the patient, usually through the femoral artery. Once in place a...

Cryosurgery
2013-04-30 10:04:11

Cryosurgery is the use of extreme cold to remove unhealthy and irregular tissues from the body. Cryosurgery is a non-invasive form of surgery that leaves hardly any scarring, has a low cost and minimal pain. When to Use Cryosurgery Cryosurgery has commonly been used to treat a lot of skin conditions; malignant and benign. It is also used to treat warts, moles, skin tags, solar keratosis,...

Laminotomy
2013-04-30 09:59:37

Laminotomy is a procedure that works to decompress the spinal nerve root and/ or spinal cord by removing part of a lamina of the vertebral arch. This started as a hemilaminectomy which is the removal of half of the lamina, left or right, but now is the removal of portions of both sides of the lamina to allow for vertebral stability. Laminotomy is most often accompanied by a facetectomy which...

Electrocardiography
2013-04-30 09:55:53

Electrocardiography, sometimes called ECG or EKG, is a measurement of the electrical activity of the heart as the linear process unfolds. With the use of electrodes that are attached to the skin, this non-invasive test can provide vast information as to the patient’s status. By leaving the electrodes attached, the patient’s status can be monitored over intervals of time and recorded on the...

Dwarf Tapeworm Hymenolepis nana
2014-01-12 00:00:00

The dwarf tapeworm (Hymenolepis nana) is a species of tapeworm that is classified in the Platyhelminthes phylum. It once held three other scientific names including Vampirolepis nana and Taenia nana. It is found throughout the world but occurs most often in temperate regions. As its common name implies, the dwarf tapeworm is small, reaching an average body length of 1.5 inches. The head, or...

Ovaries
2013-03-05 14:55:04

The ovaries are the two reproductive female organs where the eggs are produced. These are parallel to the testes in men. Formation and Orientation Each ovary is the size of an almond and is located on one side of the pelvis before the ureter and internal iliac artery but after the external iliac artery. They are attached to either side of the uterus. They are connected and release eggs to...

Nail
2013-03-05 14:40:49

Nails are found on the fingers and toes alike. Formation and Orientation Nails are made of the protein keratin, much like hair as they are related, which is tough and strong and able to protect the ends of the fingers they cover. The nail plate, nail matrix, the nail sinus and the nail bed all make up the nail. The matrix is broken up into two sections; the nonvisible layer is simply...

Mouth
2013-03-05 14:37:32

The mouth is the beginning of the digestive system which takes in food and mixes it with saliva produced by glands located in the mouth. Formation and Orientation The first part of the mouth is the mouth cavity which contains the teeth and is limited by the lips, the roof, which is the hard and soft palate, and the floor of the mouth. This is the space where food is kept before it moves...

Gall Bladder
2013-03-05 14:18:48

The gall bladder is the sac-shaped organ that is the passage between the liver and intestine where bile is held. Formation and Orientation The gall bladder is relatively 8 cm by 4 cm when fully formed. The gallbladder is angled between the rectus abdominis muscle and the costal margin. It is hollow and is made up of three parts; the fundus, the body and the neck. The fundus is the part...

Brain
2013-03-05 13:54:00

Formation and Orientation The development of the brain is broken down into stages. The basic evolution begins in the third week of the embryonic process where the neural plate is formed. By week four, the neural plate has developed into the neural tube. The anterior part of the tube, the telencephalon, grows rapidly as it prepares to later give way to the brain. As time goes on, cells begin...

Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.