Do Animal Balls Hurt Like Human Balls

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Do Animal Balls Hurt Like Human Balls

Testicle
How the testicles piece of work from the within.
Diagram of male (human) testicles
Details
Avenue	Testicular artery
Vein	Testicular vein, Pampiniform plexus
Nerve	Spermatic plexus
Lymph	Lumbar lymph nodes
Identifiers
Latin	testis
MeSH	D013737
TA	A09.3.01.001
FMA	7210
*Anatomical terminology* [edit on Wikidata]

Human testicles in a scrotum

Testicles are parts that are found on the bodies of male creatures. Male mammals, including humans, accept two testicles, supported in a sac of peel below the penis called the scrotum. Forth with the penis, testicles are called reproductory organs or "sex organs". Merely males have testicles; females accept ovaries.

Testicles are a type of organ called glands. Like other glands, testicles brand chemical substances, called hormones that keep the body working. Testicles as well make sperm, which tin can join with ova to brand new life.

Nigh glands, like women's ovaries, are inside the trunk, just testicles are outside the main part of the body. This is because the testicles work better if they are cooler than the inside of the body. ^[one] In common cold conditions, testicles pull up nearer to the body to keep warm.

Description [ alter | alter source ]

The testicles are firm, oval-shaped glands. Well-nigh testicles friction match in size, but some testicles are much larger or smaller than others. Normal sized testicles are between 14 cm³ to 35 cm³.

Almost men have ane testicle that hangs lower than the other one. Scientists remember this may exist and then that they do not hitting confronting each other. Information technology is normally, but not always, the left testicle that hangs lower.

The testicles hang in the scrotum by the spermatic cord. They are outside the body because they need to exist cooler than the temperature inside the trunk, in order to make sperm. If a homo's testicles go cold, they are automatically pulled closer to the trunk. The spermatic cord is tightened by the cremasteric muscle. When this muscle contracts (pulls tighter), the cord gets shorter, which pulls the testicles closer to the body. If the testicles are as well warm, the cremasteric muscle relaxes (gets longer.) This lowers the testicles to go on them cooler. This is how the testicles are kept at the correct temperature. This is called the cremasteric reflex. (A reflex is something your torso automatically does without you thinking about it.)

At that place are other uses for the cremasteric reflex apart from making the testicles the right temperature. Stress tin also make the cremasteric reflex work. If a male human being or mammal gets into a fight, then its testicles are in danger. They automatically pull up close to the body. The cremasteric reflex also happens during sexual intercourse.

Role [ change | change source ]

Testicles accept 2 important jobs in the body. They are part of two of the torso's systems, the endocrine system which keeps the body working, and the reproductive system which makes new life.

Making hormones [ change | change source ]

Testicles are a type of organ called glands. (This makes them part of the body's endocrine arrangement .) The human being body has many types of glands. The chore of glands within a body is to brand chemic substances, and put them out into the body'southward system. A torso has lots of dissimilar systems that keep it in skillful working order all the fourth dimension, and that also provide for a torso's special needs. Some of the body's special needs happen when a person gets angry, frightened or ill, or if the person wants to have sexual intercourse. At these times a body uses more of some types of chemical substance, so the glands that make them piece of work harder.

Testicles make several types of chemic substances. They are not simple chemicals, but are very complicated and very important to life. Making these substances is controlled by the pituitary gland which is a pocket-sized gland in the brain.

Ane substance made by the testicles is a type of substance known as a hormone. Information technology is the hormone testosterone. Testosterone is important in a male person person's body, because information technology makes him grow into a human being and feel like a man during puberty. (Women'due south bodies make some testosterone too, merely they make more than female person hormone called estrogen.)

An analogy of a testicle. The sperm are made in the oval office of the testicle. They pass through lots of small-scale tubes at the top and so downwards through the epididymus. When the sperm are prepare, they pass through the long tube at the right and into the urethra. The picture too shows the avenue that blood travels through.

Making sperm [ modify | change source ]

As well as beingness chemical-producing glands, testicles are gonads. (This makes them part of the trunk's reproductive arrangement.) Apart from hormones, the other of import substances made past the testicles are spermatozoa, which are generally just called sperm. (The word "sperm" is plural, and so you do not add an "s" and say "sperms".) The sperm are tiny living cells which can join with another cell, chosen an "ovum" (or egg) inside a female, to commencement a new homo life. Scientists phone call making sperm spermatogenesis. Boys begin making sperm when they start growing into men, at a fourth dimension of life called puberty.

Females do not have testicles. The glands in their bodies that practise the same sort of jobs as testicles are called ovaries. They have 2 ovaries, only unlike testicles, ovaries are within the torso, on either side of the uterus. They release ova (or eggs) and female hormones. Ovaries and testicles are sometimes called "gonads".

Details of how testicles are constructed and how they work [ change | change source ]

(See the picture show, right)

The testicles, inside the scrotum, are covered with a tough type of white protective pare called a membrane.
The inner part of the testicles have many small tubes called seminiferous tubules which are coiled (or twisted around). Sperm are made within the seminiferous tubules.
The sperm pass through some small tubes called ducts into another office at the back of the testicle, called the epididymis, which is where the sperm cells finish maturing.
The sperm cells then travel along a tube called the vas deferens until they reach the urethra.
The urethra is the main tube in the penis and leads to the opening at the terminate called the urethral opening. The urethral opening is also the way that urine leaves the torso from the float.
When a homo feels sexual desire, sperm cells go through the ejaculatory duct. They are combined with liquid called seminal fluid from a gland called the prostate. The prostate also has muscles that button the sperm and fluid into the urethra.
During sexual intercourse, seminal fluid containing the sperm comes out through the urethral opening when a man ejaculates.
If the sperm from the testicles enters the vagina of a woman during sexual intercourse, information technology may pass into the uterus and join with a mature ovum (or egg) to begin a new baby.

Health issues [ change | change source ]

Size [ change | change source ]

Size in animals

Studying animals can help in agreement things about people. In mammals, testicles can be very big or very small-scale in relation to the size of the animal itself. The size has to do with the amount of sperm that the male person animal needs to make. Some types of male brute mostly only have one sexual partner at a time and are called monogamous. Some types of animals generally live in a herd or flock where one male person will have many female sexual partners. These males are called polygamous. More sperm is needed past polygamous males than by monogamous males. Polygamous males generally have larger testicles than monogamous males. The testicles grow larger to make more sperm.

Size in men

About men's testicles are from 14 cm³ to 35 cm³. This is a mensurate of book. Sometimes Doctors need to measure a man's testicles to see if at that place is a problem. Doctors can measure the book of testicles in ii ways:

Orchidometer – This is a set of small objects that look similar eggs. They are many different sizes. The doctor picks the one that is the size of the testicle. Doctors know what size the orchidometer is. And then they know the size of the testicle.
Measuring the size – with a ruler, calipers, or ultrasound. So these lengths are used to calculate the book.

Sometimes the size of a man'southward testicles changes.

Some reasons why testicles go smaller are:

If a man takes testosterone, the testicles exercise not have to work to make testosterone, then they become smaller.
If a man's testicles are kept more warm than usual, they make less sperm. So if they are kept too warm, they get smaller.
If testicles are injured(hurt) they tin go smaller.

Some reasons why testicles get bigger are:

If a man takes hormones from the pituitary gland, (called gonadotropins), information technology can make testicles bigger. Gonadtropins are the hormones that tell the testicles to make sperm and testosterone.
Some diseases cause testicles to swell.

Diseases [ change | alter source ]

The most important diseases of testicles are:

Inflammation of the testicles. This is called orchitis
Testicular cancer
Fluid around a testicle. This is called a hydrocele
Inflammation of the epididymis. This is called epididymitis
Spermatic cord torsion. This is too chosen Testicular torsion. It is a medical emergency. It is when the string that the testicle hangs from gets twisted. It can happen when running.
Varicocele - swollen veins to the testes. Varicocele happens more on the left.[1]

Loss and injury

Most boys are born with two testicles in the scrotum. The testicles take formed inside the babe's body, but moved into the scrotum before the birth. Sometimes i or both the testicles are nonetheless inside when the baby is born. Sometimes an operation is needed to fix this.

If a testicle is injured, information technology is extremely painful. Sometimes testicles get crushed. Sometimes it is necessary for a doc to remove ane or both the testicles. This performance is called an orchidectomy. If a man loses a testicle, a doctor tin put a testicular prosthesis (imitation testicle) into the scrotum. Information technology looks and feels like a testicle.

If a male loses both his testicles information technology's chosen castration. Because the man cannot produce sperm or testosterone, it has a big effect on the man'due south life. Because he cannot brand sperm, he cannot have children. And considering he cannot make the male hormone testosterone, he becomes less like a male. He may lose some of his muscles, and put on weight. A man who has lost his testicles may have testosterone medicine so that he does non have these changes.

Until the 1700s in Europe, and more recently in some countries, at that place was a custom to castrate young male slaves and boys. Young slaves were castrated and so that they could exist used every bit guards over the wives of rich men. It meant that the wives would non fall in dear with their guards. Sometimes young boys who had cute singing voices were castrated earlier puberty. This meant that their voices would stay high all their lives. These singing men were chosen castrati.

Castrating animals

Information technology is very mutual to castrate (remove the testicles from) male domestic animals. Male dogs and cats that are castrated exercise non fight so much, and practice not stray around looking for females to mate with.

Male horses are usually castrated so that they become more calm and safer to ride. A castrated male person horse is chosen a gelding. A male horse that is not castrated is a stallion.

Male animals that are used for meat are generally castrated because it makes them fatter and likewise makes them quieter to keep because they do not fight each other. Nigh male cattle are castrated.

Other names for testicles [ modify | change source ]

Testicles can also exist chosen "testes" or "gonads".

In that location are many slang words for testicles, like balls, nuts, bollocks, nads, crown jewels, testies, marbles, ding dangs, male child toys, nicnaks, plums,tattay (in Urdu) etc. Slang words are other names that are used for fun or to exist vulgar (rude).

[ alter | change source ]

Cryptorchidism (cryptorchismus)
Infertility
Listing of homologues of the human reproductive system
Orchidometer
Spermatogenesis
Sterilization (surgical process), vasectomy

References [ change | change source ]

↑ Jones, Richard (2013). Human Reproductive Biology . Academic Printing. p. 74. ISBN 9780123821850 . The rear-entry position of mating may permit the scrotum to stimulate the clitoris and, in this fashion, may produce an orgasm ...