On the structure and function of the prostate gland in the red fox by Caleb Wyand Geeting Rohrer

Cover of: On the structure and function of the prostate gland in the red fox | Caleb Wyand Geeting Rohrer

Published by The Journal in St Louis, MO .

Written in English

Read online


  • Prostate, anatomy & histology,
  • Foxes

Edition Notes

Book details

Statementby C.W.G. Rohrer
ContributionsRoyal College of Surgeons of England
The Physical Object
Pagination20 p. :
Number of Pages20
ID Numbers
Open LibraryOL25916745M

Download On the structure and function of the prostate gland in the red fox

Prostate gland and neighboring organs. Prostate Gland Structure. The prostate gland can be divided into four anatomical lobes. But a more significant delineation is a histological parsing into zones. The central zone is the area that surrounds the ejaculation ducts. It derives from the Wolffian duct in human embryos.

Prostate gland, chestnut-shaped reproductive organ, located directly beneath the urinary bladder in the male, which adds secretions to the sperm during the ejaculation of gland surrounds the urethra, the duct that serves for the passage of both urine and semen.

Rounded at the top, the gland narrows to form a blunt point at the bottom, or apex. Structure. The prostate is a gland of the male reproductive adults, it is about the size of a walnut, and has an average weight of about 11 grams, usually ranging between 7 and 16 grams. The prostate is located in the pelvis.

It sits below the urinary bladder and surrounds the part of the urethra passing through it is called the prostatic urethra, which joints with the Artery: Internal pudendal artery, inferior vesical artery. Structure of the prostate. Prostate gland is part of the male reproductive tract and is located just underneath the bladder.

It encircles the proximal part of the urethra which extends from the bladder neck to the end of the penis. Function of the prostate gland. The prostate acts as a storage facility to the seminal fluid which is partly.

WebMD’s Prostate Anatomy Page provides detailed images, definitions, and information about the prostate. Learn about its function, parts, location on the body, and conditions that affect the. The prostate gland is situated at the origin of the urethra, the tube that carries urine out of the body.

It is approximately the size of a small kiwifruit or a large walnut. A normal prostate. The prostate surrounds the urethra as it exits the bladder and merges with the ductus deferens at the ejaculatory duct. Several distinct lobes make up the structure of the prostate: On the anterior end of the prostate are the two lateral lobes, which are rounded and shaped like orange slices when viewed in a transverse section.

The lateral. The prostate is a hormone-dependent gland, i.e., it evolves in relation to fluctuations in your hormone levels, since its growth and size rely on the excretion of testosterone, or more specifically, on dihydrotestosterone (DHT), a hormone produced when the enzyme, 5alpha‐reductase, synthesises testosterone contained in the prostate.

The prostate gland is a small, walnut-shaped gland that sits behind the bladder in men. During sexual activity, the prostate gland helps produce semen, the nutrient-rich fluid that carries the. The prostate (not prostrate) is a small, squishy gland about the size of a ping-pong ball, located deep inside the groin, between the base of the penis and the is important for reproduction, because it supplies the seminal fluid, which mixes with sperm from the.

Surface Anatomy of the Prostate. The prostate gland is a pyramid-shaped organ with apex (contact to the urethra and directed downward) and basis (contact to the bladder and directed upward).

The prostate lies below the urinary bladder and is located in front of the rectum. The prostate weighs about 20 g (3 cm long, 4 cm wide, 2 cm thick). Structure.

The prostate gland is a six-sided amalgamation of glandular and On the structure and function of the prostate gland in the red fox book tissue that resides in the pelvic typical dimensions of a healthy prostate gland are 4 x 3 x 2 cm (its width being the greatest), while weighing about 20 grams.

The gland is encapsulated by a true internal connective tissue capsule and a false external capsule, which is a continuation of the. The main function of the prostate gland is to secrete an alkaline fluid that comprises approximately 70% of the seminal volume.

The secretions produce lubrication and nutrition for the sperm. According to American Cancer Society, 1 in 8 women are diagnosed with breast cancer in their lifetime. Johns Hopkins experts address the facts and fears surrounding breast cancer. One of the best things you can do to protect and improve your health is to stay informed.

Your Health is a FREE e. The prostate gland is located between the bladder and the penis. The prostate lies just in front of the rectum. The urethra runs through the center of the prostate, from the bladder and to the penis, allowing urine to flow out of the body through urethra.

Prostate Structure and Biology The prostate is a male accessory reproductive organ, which is found in all orders of mammals, including monotremes (1). McNeal described three anatomically distinct zones of the human prostate gland: the peripheral zone representing %, the central zone representing % and the transition zone accounting.

The prostate gland surrounds the neck (thin part) of the bladder, as well as the end of the ductus deferens. A thin wall divides the gland into two equal-sized smooth, firm lobes. The prostate has multiple openings into the urethra. The penis is a highly vascularized structure. The penis is the male sex organ, reaching its full size during puberty.

In addition to its sexual function, the penis acts as a conduit for urine to leave the body. The penis is made of several parts.

Lycopene is found abundantly in red fruits and vegetables, including tomato, watermelon, pink grapefruit, apricots, pink guava, and papaya [24].It is produced by vegetables and fruits, with tomatoes and processed tomato products being the most abundant sources [25,26].In the United States, men and women consume an average of and mg of lycopene/day, respectively [27].

Start studying prostate gland. Learn vocabulary, terms, and more with flashcards, games, and other study tools. pyramid shaped structure at the base of the prostate. what is the size of the prostate. vol = w x h x L xW is trvcm, L- 3 cm, H (AP diameter) cm. what is the function of the prostate.

secretes alkaline fluid. Function of Prostate Gland. Secretes fluid that nourishes and protects sperm During ejaculation it squeezes fluid into the urethra and expels with sperm. Vas Deferens function. Bring sperm from the testes to the seminal vesicle.

Seminal Vesical function. Contributes fluid to semen during ejaculation. Prostate cancer cells, similar to normal prostate cells, require androgens to grow and survive.

Growth of prostate cancer depends on the ratio of the rate of cell proliferation to the rate of cell death In prostate cancer, the rate of proliferation is. The prostate is a gland found only in men. Understanding the location and function of the prostate is key to explaining symptoms of prostate cancer and other non-cancerous conditions that can effect the prostate function.

The prostate is located just beneath. Compound exocrine glands have a branching duct system, and can be subclassified into either tubular or acinar, according to the nature of the secretory portion of the gland.

In compound tubular glands, the secretory portion comprises secretory tubules. If the distal portion of the gland comprises a system of narrow, branching, ducts with many acini or alveoli opening into them, then the gland.

Prostate Gland The prostate is a set of tubulo-alveolar glands with lumina lined by an epithelium of variable height. The gland contains a stroma containing connective tissue and smooth muscle. The prostate produces a fluid rich in citric acid and proteolytic enzymes that nourish and prevent the coagulation of sperm in the vagina.

Prostate Gland: Gland that produces a milky, alkaline fluid that increases sperm motility. The contents of the prostate empty into the urethra.

Bulbourethral or Cowper's Glands: Small glands located at the base of the penis. In response to sexual stimulation, these glands secrete an alkaline fluid which helps to neutralize acidity from the. In the human prostate, the AR mediates critical processes involved in the normal development, organizational structure, and mature function of the gland.

During embryogenesis, the AR is expressed in mesenchymal cells of the urogenital sinus with subsequent temporal expression in prostate epithelial cells, leading to a differentiated epithelial. The thyroid gland is located in the neck, just below the larynx and in front of the trachea, as shown in Figure \(\PageIndex{2}\).

It is a butterfly-shaped gland with two lobes that are connected by the isthmus. It has a dark red color due to its extensive vascular system.

The glans penis can be described as the rounded head (or tip) of the penis. Located in the middle of the glans penis is the opening of the urethra, the tube through which semen and urine exits the.

The vulva (plural: vulvas or vulvae; derived from Latin for wrapper or covering) consists of the external female sex vulva includes the mons pubis (or mons veneris), labia majora, labia minora, clitoris, vestibular bulbs, vulval vestibule, urinary meatus, the vaginal opening, hymen, and Bartholin's and Skene's vestibular urinary meatus is also included as it opens into.

Anatomy (Greek anatomē, 'dissection') is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science which deals with the structural organization of living things.

It is an old science, having its beginnings in prehistoric times. Anatomy is inherently tied to developmental biology, embryology, comparative anatomy.

The importance of the anatomy of the prostate encircling the urethra will be discussed a bit later. The function of the prostate gland is to produce a fluid which helps support and transport sperm during ejaculation. In the prepubertal male, the prostate gland is quite small and located farther forward in the abdominal cavity.

Voluntary control of the external urethral sphincter is a function of the pudendal nerve. It arises in the sacral region of the spinal cord, traveling via the S2–S4 nerves of the sacral plexus. Male Urethra. The male urethra passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis (see.

Prostate gland. The prostatic part of the urethra is surrounded by the fibromuscular prostate gland. The gland is usually about 3 cm long, and is surrounded by a capsule. The prostate gland produces a thin milky fluid, the major constituents of which are citrate ions, phosphate ions and enzymes.

The prostatic fluid is slightly basic; this is. The human penis is anatomically divided into two continuous areas—the body, or external portion, and the root. The root of the penis begins directly below the bulbourethral glands with a long cylindrical body of tissue known as the corpus spongiosum (or corpus cavernosum urethrae).This tissue extends through the body of the penis to the tip, where it expands into a mushroom-shaped structure.

This gland is regarded as the master gland as it controls the functions of all the other glands (such as the adrenal, thyroid glands) in the endocrine system. The pituitary gland stimulates the adrenal gland to secrete cortisol, a steroid hormone controls a range of activities from controlling the body’s metabolism to stimulating blood pressure.

The function of the prostate. The prostate gland plays a very important role in the reproductive process. The prostate, hormones and fertility. Many men fear the consequences of treatment for. The penis is the male intromittent has a long shaft and an enlarged bulbous-shaped tip called the glans penis, which supports and is protected by the the male becomes sexually aroused, the penis becomes erect and ready for sexual activity.

Erection occurs because sinuses within the erectile tissue of the penis become filled with blood. The accessory sex glands. There are three glands which produce fluids that mix with the sperm to make up semen. Semen is the liquid which is ejected from the penis during ejaculation. The three glands are located close to the bladder and are called: The seminal vesicles; The prostate gland.

The prostate gland lies just beneath the bladder (see. Pineal Gland Chakra Essentially, the cone-shaped pineal gland governs and (when necessary) inhibits pituitary gland function.

It is the balancing of these two glands that helps facilitate the opening of the Third Eye. Thymus Gland and the Heart Chakra The chakra associated with the thymus gland is the Heart chakra or Anahata. An important physiological function of the normal prostate gland is the synthesis and secretion of a citrate rich prostatic fluid.

In prostate cancer, citrate production levels are reduced as a result of altered cellular metabolism and bioenergetics. Na, K-ATPase is essential for citrate production since the inward Na+ gradients it generates are utilized for the Na+ dependent uptake of.The spiritual function of the glands as discussed in this work is based on extraordinary information given out by Max Heindel.

The psychological structure and function is based on valuable information gleaned from the textbook on the ductless glands written by Dr.

Louis Berman, to whom the author wishes to extend most grateful thanks. The most common type of prostate biopsy is a core needle biopsy. For this procedure, the doctor puts a thin, hollow needle into the prostate gland. When the needle is pulled out it removes a small cylinder of prostate tissue called a core.

This is often repeated several times to sample different areas of the prostate.

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