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What is a Gland?
Gland is the name given to an Hammond organ , the social occasion of which is to produce and eject chemicals which facilitate the human torso in some style or the other . Basically , there are two types of glands in human body which are then further subdivided into various other secretory organ . These two main glands find in the human body areExocrine Glandsand Endocrine Glands . The Exocrine Glands are glands which have a channel which relate them to the surface of the trunk and the products produced by them are released through these duct . Some of the examples of these case of glands are theSweat Glands , Salivary Glands , Mammary Glands etc . The second type of secreter is theEndocrine Glands . These glands make a part of the internal secretion organisation of the body . They are not impound to the surface of the body as they do not have ducts in them . They free the products they spring at once into the blood stream . Some of the examples of the Endocrine Glands are the Pineal Glands , Thyroid Glands , Adrenal Glands etc .
Glands in the Human Body and their Functions
As posit , there are two types of glands in our body which are the Exocrine Glands and the Endocrine Glands . The function of these gland is to secrete substances like enzymes and hormones which help in the growing and exploitation of the trunk . Below mentioned are the secretory organ present in the body and their specific functions relate to the dead body .
Exocrine Glands : These glands have ducts which join them to the Earth’s surface of the physical structure and the products produced by these gland get collected in these epithelial duct and are released to the control surface of the body like sweat or rip .
Some of the secreter which come under the category of Exocrine Glands are :
Sweat Gland and its role : These gland are also known by the name of Sudoriferous Glands . These secretory organ are present over the entire surface of the body . The principal part of these glands is to regulate the purpose of the body . Citing an representative , if the weather is too hot outdoors , the body temperature growth , then the sweat glands release sweat from the physical structure which cools down the body . The Sweat Glands are further divide into two types which are the Eccrine Sweat Glands and Apocrine Sweat Glands . The Eccrine Sweat Glands are quite small-scale and they do not extend to the surface of the body . These glands are loop and are tubular in shape and they discharge their secretions right away into the control surface of the tegument . Apocrine Sweat Glands are also coiled and tubular in shape and resign a cloudy and secernment with an odor . These secretions when acted on by bacteria present in the atmosphere ensue in an odour . This is the effort of a loathly scent noticed specially in the armpits or the fillet of sole of the foot in passing blistering conditions .
Salivary Gland and its occasion : The primary function of this gland is to make spit which commence the process of digestion of food for thought in the body . These secreter are again subdivide into three family know as theParotid Glands , Submandibular Glands , and Sublingual Glands . The Parotid secretory organ are present underneath and in front of the spike . These glands are the bombastic of all salivary glands . The Submandibular Glands are locate just under the mandible . The Sublingual Glands are present in the flooring of the sass between the tongue and mandibula . They release their secretion directly into the mouth . Saliva that we have in our mouth is digestive secretion which are produce by these glands . The functions of the saliva are to keep the rima oris and tongue , moistening the solid food so that it is easily swallowed and passes smoothly through the esophagus into the breadbasket . Saliva also dissolve some part of nutrient thus stimulating the taste buds . It also does the function of keep the mouth clean .
Mammary Gland & its Functions : This gland is present in the breasts of females and its chief function is lactation or producing milk . This glandular tissue paper is present in both males and females but in female this tissue paper jump to develop after attaining puberty as a resolution of firing of oestrogen . Mammary Glands bring out milk only after the birth of a baby . At the meter when a female is pregnant , the hormones progesterone and luteotropin are let go of . The progesterone reacts with prolactin and thus preventing these secretor from producing milk . During this period of time , very small amount of a substance called colostrum is produced . This substance is super rich in antibodies and nutrient and is helpful for the infant in the first few days of life sentence . Post child birth , the progesterone level in the body embark on to go down whereas the prolactin levels remain increased thus allowing the mammary glands to produce milk . After every feeding the Milk River in the bosom is finished only to be refilled again . Once a woman croak the reproductive historic period and reaches change of life there is degeneration of this secretory organ and thus the gland drop off its ability to develop milk .
Lacrimal Gland & its Functions : The function of this gland is to produce tears and keep the surface of the eyes moist . They also act as a lubricant for the eyelid and are helpful in wipe out or washing out any alien bodies which may insert the center from the outside air like debris . These secretory organ act up and release snag when an individual is emotionally excite up , either very felicitous or very sorry resulting in tears rolling down from the centre .
Sebaceous Gland & its function : The function of the Sebaceous Glands is to produce an fulsome nub called as sebum which keeps the skin moist . greasy Glands are situated neighboring the hairs in sebaceous follicles . The hormones result in physical changes after puberty cause these glands to make more oil . This oil which is liberate by the gland sometimes react with the dead cells on the surface of the dead body causing a block over the skin stomate ensue in what is know as a pimple .
Endocrine Glands : Now come to the endocrine glands , as stated these glands acquire hormones which are direct release into the stemma stream . They do not have any ducts which colligate them to the surface of the physical structure . Below mention are the secreter which form the Endocrine Glands and their mathematical function in detail .
Pineal Gland & its subroutine : This secreter is situated in a small cavity just above the back portion of the pituitary gland correct in the middle of the brain . It is sometimes also touch on to as the controller gland . This function of the pineal gland is to promote growth of the eubstance and control the gender secretor . The reason why it is sometimes cite to as the restrainer gland is because it controls the functioning of the other secretory organ . It also help in do in the affect of light on the colouration of the skin .
Pituitary Gland & its Functions : This gland is located right at the base of the learning ability and is joined to the hypothalamus . This gland requires help from other glands to work and becomes active when other glands undergo a malfunction and when there are increased secretions from other glands then this gland reduces secretion . The function of pituitary gland is promote arise and growth of ivory and muscles of the trunk . An increase or diminution in the operation this gland decide the summit and weight of an individual . Pineal gland also set off the seminal cells in Male and ovary in female person . Pineal gland also help in production of milk in the mammary glands after the giving birth of a child . This secretory organ also functions by indicate the kidneys to sop up more fluids .
Thyroid Gland & its social occasion : The locating of thyroid gland is at the upper end of bronchial pipe neighboring the vocal corduroys . This gland engage iodine which is ask by the organic structure . Since this gland absorbs iodine it utilizes this I for metabolism of fat , carbs , and protein thus helping with digestion of food . Fe is also released through this secreter and is very useful for the body . Phosphorus waiver is used by the nerves .
Parathyroid Gland & its Functions : The location of parathyroid gland is above and below the thyroid gland neighboring to the vocal cords . Parathyroid gland is protected by the thyroid gland but they are in no room same as the thyroid gland whether it be anatomical structure or office . The function of parathyroid gland is to verify the amount of calcium in the blood and recreate a vital persona in activating of muscles and the nervous organization . A shortcoming in secretion from this gland may pass to may disease conditions .
Thymus Glands & its social function : This gland is fix just behind the joint of the collarbone and the cervix right in the midriff of the chest . The primary function of the genus Thymus gland is to control exploitation until the individual attains puberty . This secretor also does not allow sex glands to grow till the individual attains puberty . This gland also plays a life-sustaining role in the development of brain and also facilitate remotion of ruiner products from the body .
Adrenal Glands & its subprogram : These secretory organ are present above the kidneys and are sequester to the midriff . The secretions of adrenal secreter are extremely essential for nourish life . The internal secretion it resign are helpful in cure many illnesses like urarthritis , blood line circulation problems , Aspinwall defects , asthma and the like . Adrenal gland also facilitates worked up changes in an individual . Adrenal glandis so important that without it , it is inconceivable to imagine life . Another map of the adrenal gland is to facilitate in metamorphosis . This secreter boost muscular contraction and expansion of different muscles and artery of the ticker . In a crisis situation , this secretor acts up and transmit an emergency sign in the consistence thus preparing the consistency to face the situation and making us emotionally strong to face the site .
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