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It is a structure that liquid from the nipple and its general appearance. In particular, it is a projection of the breast mammalian breast milk and is fed to the young mother. In this sense, often, in particular, called papillae case to be non-human, the medical term used to refer to it, it is a teat. It may be referred to as a “pacifier” or “grain” rubber mouthpiece of the pacifier or baby bottle. In many cultures, women’s nipples are considered erogenous zone, that obscene find them in the society openly believed it.

The dissection of mammalian nipple, nipple and nipple are small projections of the object that contains skin 15-20 ductal ducts arranged cylindrically around the tip. Supply of special nerve is sensitive to constant stimulation is rich skin of the nipple. Physiological purposes may be provided to produce baby milk female breast grains lactating. 19 and as much as possible from just two, eutherian mammals and marsupials, have an even number of nipples are arranged symmetrically normal. Developed in the embryo by “milk line” they. And the approximate total number of maximum litter size, along each milk line, to develop multiple nipples, half the total number of average for this type of waste is most mammals (one side number IE) approximation. Directly, I make it to the suction holes around the hair monotremes such as the platypus, no nipples, or dairy drinks, the small pores (such as sweat glands).

Therefore, unlike mammals all other grain China, and whales that kind, such as whales, children, because of their outlet structure that can not form a suction seal to the nurse. As opposed to requiring a suction operation rather, discharge of milk is supplied by the muscles of the mother. Calves has been extended to the nipple mother mouth and milk disposal or her discharge into the mouth of the calf. Nipples, the size of the mammalian species variety, structure and location are different. I can sometimes nipple, is full plump and very, milk to escape without suction. Nipple 1 mammary gland, two, sheep and goat female, have each located between the hind legs. Mares have two bottles, two mammary gland, respectively. Well pacifier pigs are arranged in parallel lines two along the ventral be quite different in the number of 6 to 16. I have a nipple each of the four, and mammary gland of one of the breast in the cow. I have nipples of two human beings. It occurs frequently, additional nipple is also known as excess nipples. They are functional.

In eutherian mammals most, both men and women have nipples. In men, often particles are breast possible men, it is not considered to be functional for feeding. The notable exception to this, which have a male nipple is also horse, and rat. Eumelanin brown, brown pigment, the extent pheomelanin and larger, pigments and areola [edit] nipple is a red pigment. In many women, areola, which is called ‘Montgomery bodies’, there is a small bulge on. In humans, nipples are governed by four intercostal nerve.

That it instinct to seek the nipple baby mammal, “cheer” instinct “nursing” to extract the milk. Descendants of domestic animals, including pigs, cattle, horses and sheep, to engage in behavior known as papillae also wanted to breast-feeding and drinking. This powerful instinct will help to promote the bond between the young mother and occurs in most species within minutes of birth, connecting young people to the food source. Descendants will not be able to enjoy their suckling time thoroughly, even after completion, will be breast-feeding.

From the concept of sexual differentiation, fetal mammals all of the same species within the look the same regardless of gender. In humans, after it has started the production of male hormones such as testosterone is the male fetus genetically, I will last about six weeks. Usually, nipples men, does not change much after this point, but some men, as gynecomastia, has developed into what adipose tissue was similar to the female breast below the nipple and around I develop a condition known. The problem may occur when the testosterone level was reduced. Gynecomastia, not serious enough, but it can occur in adolescent boys in response to physical changes due to release an uncontrolled rapid and hormones, including estrogen. Increased estrogen level in the body of male puberty, leading to swelling of the surrounding tissue and nipple – in many cases, this is you can women look like nipple human – causing discomfort of some and There is a possibility.

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Including breast can produce milk that is used to feed infants women, the left and right breast is abdominal region above the body of the primate. Both men and women, has developed the breast from the same embryological tissues. However, in order amount puberty, the testosterone is high, female hormone that promotes the development of breast cancer does not occur, especially estrogen in men.To produce the breast milk during pregnancy, and responds to a complex interaction of hormones that cause growth and expansion of the tissue. Three of these hormones are causing the glandular tissue of the uterus to change through the menstrual cycle and breast estrogen, progesterone, and prolactin. The chest of each, 15-20 sheet is included. I covers the prediction given size and shape of the breast in the subcutaneous fat. Each portion is composed of multiple units on the end of the foam is generated in response to a signal hormone milk.

Nipple production breast apocrine glands milk to feed the children of baby skin color to change to dark brown (the complex of the nipple-areola, NAC), from pink areola, in the center of the (enclosed), And there are many sebaceous glands. We produce a fat milk, duct lobular unit final basic unit of the breast is (TDLUs). They give the nursing function of descendants of breast, such as breast cancer. It is distributed over the whole body of the chest, two-thirds of the organization about dairy products, they are in the range of 30 mm from the base of the nipple. 4-18 channel dairy products that are used for grain, milk glands to fat ratio, end channel of dairy is a 01 minutes 2:00 am to a woman who is breast-feeding and 01 minutes 1:00 in women with non-lactating The discharge milk TDLUs. In addition to the breast, and a suspension in Cooper ligament (collagen, elastin) and white adipose tissue and connective tissue in the breast. The innervation of the peripheral nervous system innervation T-4 nerve while (thoracic spinal nerve 4), with the branches of the skin front and (front) side (side), fourth, fifth, and sixth intercostal nerve feel dermatomic area provides a sense nipple-areola complex in breast to provide.

The remains of the level of the second rib, and in this way, women, covers a large part of the rib cage and chest chest to the level of the sixth rib in the front of the chest breast stack pectoralis major muscle, normal human You. In front of the breast, breast tissue, and can be extended to the breastbone (sternum) from the clavicle (collarbone). On both sides of the chest, (you will be able to reach back to reach the upper arm bone from the longest bone waist of the upper arm) dorsi muscle spine breast tissue, and can be extended axillary (the armpit). Is a non-uniform anatomical structures consisting of layers of different kinds of fabric, including the impact glandular tissue, and the function of feeding and adipose tissue predominant types of breast, breast, two.

The morphological, cone base and chest wall, breast and is the beginning of the grain center of NAC (nipple areola complex). Supernatant tissue (superficial fascia) was removed from the skin by (adipose tissue) from 0.5 to 2.5 cm of subcutaneous fat. It has radiation suspension ligaments of Cooper extension, the fibrous tissue from the superficial fascia of the skin envelope. Function as a framework to support is surrounded by dense immediately (milk duct tube) connective tissue ductal, the chest of an adult, a 14-18 irregular milk diameter collected grains of 2.0 to 4.5 mm in duct leaf of the tube is included. After the body back, and mammary gland atrophy is reached (cessation of menses) menopause, when the glandular breast tissue that is configured to reduce the level of estrogen cloth, and out and disappeared as a result of cancer, and thus Female Te, fat envelope which is supported by biochemical estrogen, superficial fascia, suspensory ligaments, skin.

The weight and size of the breast, ranging from about 500-1000 grams (1.1 to 2.2 pounds) each, unlike in women, therefore, in the chest pectoralis major and, weight 500 g of (1.1 pounds) or less from the small scale So, synthetic relationship breast tissue (. 1.7 to 2.2 kg) of 750-1000 grams that have a large proportion of glandular tissue from connective tissue and fat, and also different weight, breast and some that in women the fat to determine the density of the breast reverse (hardness), pre-connective tissue ratio. In the course of a woman’s life, weight by hormonal changes that occur in (playback) nursing infant, breast and her menopause (size, shape, body menstruation beginning of breast development (breast puberty), (infertility treatment), pregnancy end of fertility change).

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Exterior skin is soft vertebrate. Animal other materials, such as exoskeleton of arthropods such, has a chemical composition different origins, development, and structure. Adjective skin means (Latin dermis, from the skin) the “skin”. In mammals, is composed of multiple layers of ectodermal tissue is the largest organ of the envelope system, skin to keep major muscle, bone, ligaments and internal organs. skin of a different nature exists amphibians, reptiles, birds. Hair some, may look like hairless skin on their own all mammals, I have a marine mammal.

It is the first line of protection against external factors and skin of interaction with the environment. For example, the skin plays an important role in protecting the body from excessive water loss and pathogens. Other features, some insulation manufacturing vitamin D temperature control, and sense, and folic acid. It can be treated by the formation of cutaneous scar tissue damaged very much. This has been bleaching and sometimes discoloration. It depends on where the thickness of the skin is also placed in the body. In humans, for example, is under the skin around the eyes and eyelids, 0.5 mm thick, is the skin the thinnest in the body, and the first signs of aging, such as wrinkles and such “crow’s feet” It is one of the areas. Skin of the soles of the feet and palms of the foot is a thick skin thickness 4 mm, the body.

The fur is thick hair. Leather jacket, will be able to function as camouflage as well as strengthening the skin to provide, or as a sexual characteristic secondary mainly. It is possible that some animals, it can be processed for thick skin is very tough and, to create a leather. Have a hard protective scales on their skin for protection, fish and reptiles have all the birds made hard feather, tough β-keratin. Not a strong barrier passage of chemicals, in many cases, the skin of amphibians, will be in accordance with the diffusion and penetration power. For example, a frog sitting in the anesthetic solution is sedated quickly spread as a chemical through the skin.

The epidermis is composed of the outermost layer of the skin. Maintaining the water in the body, the introduction of pathogens, and which forms a protective barrier over the basal proliferation of keratinocytes and the base, the surface of the body responsible for preventing squamous multilayer consisting differentiation. The epidermis of the skin, which helps to regulate the body temperature. Langerhans cells Merkel cells and melanocytes is also present a while keratinocytes are the major cell accounts for 95% of the epidermis. Skin layer, can be divided into (starting from the outermost layer) layer.

They move up the strata changing composition and shape multiplied by mitosis daughter cells and keratinocytes in the basal layer and if it exceeds the various stages of cell differentiation to become obezyadrenata eventually. During this process, formed between keratinocyte cell-cell binding them (focal adhesion), it becomes highly organized, contribute to the formation of extracellular matrix and secretory proteins keratin, lipids provide mechanical strength to the skin. Keratinocytes of the stratum corneum is removed from the surface (peeling) eventually. Cells and blood vessels will not have the the deepest layer being supplied by diffusion from the capillary to be included in the upper layer of the dermis to the epidermis.