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Hormones
Hormones

... Hormones Hormones and the endocrine system Endocrine glands that make up the endocrine system1 are not connected, unlike components of other body systems. They secrete hormones into the bloodstream. Hormones have a key role in regulating body processes. For example, they control growth and reproduct ...
Hormonal Control of Male Reproductive Functions
Hormonal Control of Male Reproductive Functions

... Actions of Testosterone • Stimulates enlargement of testes and male accessory organs • Stimulates development of male secondary sex characteristics: 1. Increased growth of body hair 2. Enlargement of the larynx and thickening of the vocal cords 3. Thickening of the skin 4. Muscle growth, widening o ...
Endocrine System and Puberty
Endocrine System and Puberty

... uterus and the vagina Mucous helps with infection control Child birth cannot occur until it dilates to 10 cm. Vagina/Birth Canal Muscular tube about 6 inches in length After baby passes through cervix baby passes through this ...
Testicular self examination
Testicular self examination

... further information or instruction on TSE, and for prompt diagnosis of any testicular lumps or swellings. ...
The Reproductive System
The Reproductive System

... reduces the number of chromosomes by half. ...
Produces chemicals that control the body`s daily functions Made of 9
Produces chemicals that control the body`s daily functions Made of 9

... Produces chemicals that control the body’s daily functions ...
Chapter 24 - Reproductive System
Chapter 24 - Reproductive System

... c. efferent ductules - empty into epididymis; wall contains ciliated e. and smooth m. B. scrotum - sac of skin and fascia located posterior to penis suspends testes outside of body cavity (spermatogenesis requires a temperature of 34 degrees C) dartos m. = smooth muscle in scrotal fascia; wrinkles s ...
Chapter 39 - Midway ISD
Chapter 39 - Midway ISD

... Reproductive Glands Serve two functions: To produce gametes and also to secrete sex hormones.  Ovaries – produce ova (eggs), secrete estrogen and progesterone (hormones)  Testes – produce sperm, produce testosterone (hormone) ...
Reproduction
Reproduction

... vestibule where find urethral and vaginal openings  Clitoris: small mass of erectile tissue  Bulb of vestibule: masses of erectile tissue just deep to the labia on either side of the vaginal orifice  Perineum: Area between the vagina and anus ...
Lab 10
Lab 10

... – The development and function of the reproductive organs – Sexual behavior and drives – The growth and development of many other organs and tissues ...
Endocrine System
Endocrine System

... • The main function of the female reproductive system is to produce ova & prepare the female’s body to nourish a ...
Document
Document

... of semen.  Prostate Gland- is a gland that produces an alkaline fluid (part of semen) that aids sperm longevity.  Cowper’s Glands (Bulbourethral)- are two small pea-sized glands located on each side of the urethra and secrete a lubrication fluid. Preejaculate. Lubricates urethra & neutralizes any ...
AMA 176 powerpoint
AMA 176 powerpoint

... Located near stomach Made of specialized hormone producing cells called the islets of Langerhans that produce insulin and glucagon which regulate blood sugar levels. Also secretes digestive enzymes into the digestive tract. ...
cnidarians
cnidarians

... inner layer of skin ...
Sample Questions Chapter 16
Sample Questions Chapter 16

... regulates the level of glucose in the blood regulates the activities of all other endocrine glands help the body deal with stress and respond to emergencies ...
Microsurgical Epididymal Sperm Aspiration
Microsurgical Epididymal Sperm Aspiration

... *MESA can be used whenever it is possible to harvest sperm from outside the testicle, somewhere in a fully formed or only partially formed epididymis. An unreconstructable blockage of the system Sperm production must be normal It is not used when sperm production is deficient ...
Lecture 12
Lecture 12

... – Stores and transports sperm during ejaculation – Runs from epididymis to ejaculatory duct • ED then runs within the prostate gland and empties into the prostatic urethra ...
UK THALASSAEMIA SOCIETY NATIONAL PATIENT & FAMILY
UK THALASSAEMIA SOCIETY NATIONAL PATIENT & FAMILY

... – If requiring testosterone, unlikely to be producing sperm – If there is damage to the testes, may be unable to produce sperm – If there is pituitary damage, the testes may be able to produce sperm by replacing the LH and FSH ...
Unit IX: Animal Structure and Function, Part III
Unit IX: Animal Structure and Function, Part III

... + prepare uterus for embryo implantation; maintain pregnancy All three found in both males/females, but in different proportions. ...
females
females

... Surround the spermatogenic cells in the lumen Provide nutrients to spermatogenic cells Move cells toward tubule lumen Secrete testicular fluid Phagocytize cytoplasm shed by developing spermatids – Secrete Androgen-binding protein (concentrates testosterone) – Secrete Inhibin (hormone slows rate of s ...
Pelvis
Pelvis

... •Contains the testes •Septum in midline divides right and left halves ...
Human Growth and Development
Human Growth and Development

... that attach to the top of the kidneys  The adrenal glands produce adrenaline and other hormones enabling the body to respond to stress and danger  Adrenaline is sometimes known as the “fright or flight” hormone ...
1.5 Individual human development during youth: Physical
1.5 Individual human development during youth: Physical

... 1.5 Individual human development during youth: Physical Physical Development ...
No Slide Title
No Slide Title

... 2. Both contribute to the development & function of female reproductive organs and sex characteristics a. Estrogens promote: * breast development * fat distribution in hips, legs, & breasts * maturation of reproductive organs b. Progesterone causes uterine lining to thicken in preparation for pregna ...
Lab Worksheet 15
Lab Worksheet 15

... 1. The anterior end of a sperm head, called the ________________ , contains enzymes that aid the penetration of an egg cell at the time of fertilization. 2. The secretion of the seminal vesicles is rich in the monosaccharide called ________________. 3. The descent of the testes is aided by a fibro-m ...
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Testicle



The testicle (from Latin testiculus, diminutive of testis, meaning ""witness"" of virility, plural testes) is the male gonad in animals. Like the ovaries to which they are homologous, testes are components of both the reproductive system and the endocrine system. The primary functions of the testes are to produce sperm (spermatogenesis) and to produce androgens, primarily testosterone.Both functions of the testicle are influenced by gonadotropic hormones produced by the anterior pituitary. Luteinizing hormone (LH) results in testosterone release. The presence of both testosterone and follicle-stimulating hormone (FSH) is needed to support spermatogenesis. It has also been shown in animal studies that if testes are exposed to either too high or too low levels of estrogens (such as estradiol; E2) spermatogenesis can be disrupted to such an extent that the animals become infertile.
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