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Semen
Semen The fluid containing sperm (the male reproductive cells) that is expelled (ejaculated) through the end of the penis when the man reaches sexual climax (orgasm).
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Sperm
A sperm cell, or spermatozoon (pl. spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm, through the chromosomal pair "XX" (for a female) or "XY" (for a male).
Penis
The male sex organ, which consists of a head called glans, and the shaft or body. At the tip of the glans is the urethral opening, through which urine and semen leave the body. The shaft or the body of the penis is made of spongy tissue and blood vessels. And it fills with blood an grows in size (becomes erect) during sexual excitement.
Sexual
Pertaining to sex or, more particularly, the stimulation, responsiveness, and functions of the sex organs either alone or with one or more partners.
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Sarcoma
A cancer of the bone, cartilage, fat, muscle, blood vessels or other connective or supportive tissue. A sarcoma is also defined as malignant mesenchymal neoplasm; e.g. osteosarcoma, (malignant mesenchymal neoplasm arising from bone tissue). Malignant tumor of soft tissue (tissue that connects, supports or surrounds other structures and organs of the body). Soft tissue includes muscles, tendons, fibrous tissues, fat, blood vessels and nerves.
Serous membrane
A thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid
Serum
The fluid portion of the blood. It is essentially similar in composition to plasma but lacks fibrinogen and other substances that are used in the coagulation (blood clotting) process.
Systolic
Measurement of the maximum blood pressure in the arteries. The larger number is the systolic pressure caused by each pump of the heart.
Semen
Sperm
A sperm cell, or spermatozoon (pl. spermatozoa) (in Greek: sperm = semen and zoon = alive), is the haploid cell that is the male gamete. It is carried in fluid called semen, and is capable of fertilising an egg cell to form a zygote. A zygote can grow into a new organism, such as a human. Sperm cells contain half of the genetic information needed to create life. Generally, the sex of the offspring is determined by the sperm, through the chromosomal pair "XX" (for a female) or "XY" (for a male).
Spermatozoon
(plural, spermatozoa) The male gamete; a haploid, usually small, flagellated cell.
Spermatozoa
(singular, spermatozoon) The male gamete; a haploid, usually small, flagellated cell.
Skin
Skin is an organ of the integumentary system; which is composed of a layer of tissues that protect underlying muscles and organs. Skin is used for insulation, vitamin D production, sensation, and excretion (through sweat).
Sex
An individual's gender classification - male or female.
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