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Male reproductive

QuestionAnswer
Male Reproductive System function The male reproductive system is responsible for producing sperm and male hormones, facilitating reproduction
Testes Produce sperm and hormones
Epididymis Stores and matures sperm.
Ductus Deferens (vas deferens) Transports sperm.
Seminal Vesicles Produce seminal fluid.
Prostate Gland Contributes to semen composition.
Bulbourethral Glands Secrete pre-ejaculate fluid.
Testes location Suspended in the scrotum.
Testes component Seminiferous Tubules and Leydig Cells
Seminiferous Tubules Functional units where sperm are produced.
Leydig Cells Specialized endocrine cells that secrete testosterone and other androgens.
Spermatogenesis The process of forming mature, functional spermatozoa.
Spermatogenesis stages 1.Spermatogonia 2. Spermatocytes 3.Spermatids 4.Spermatozoa
Spermatogonia Stem cells undergo mitosis.
Spermatocytes Result from the first meiotic division.
Spermatids Result from the second meiotic division.
Spermatozoa Mature sperm cells formed from spermatids through spermiogenesis.
Hormonal Regulation Testosterone plays a crucial role in initiating and maintaining spermatogenesis.
Sperm Cell Structure Head, midpiece and tail
Head Contains the nucleus with 23 chromosomes and the acrosome (enzymes for penetrating the ovum).
Midpiece Contains mitochondria for energy.
Tail (Flagellum) Provides motility
Ejaculatory Duct Where sperm from the ductus deferens combines with seminal fluid.
Semen Composition Contains sperm, citric acid, fructose, enzymes, coagulation proteins, lipids, and prostaglandins.
Ejaculation Volume Typically ranges from 2 to 5 mL, containing 60 to 100 million sperm per mL.
Sperm Survival Sperm can survive up to 3 days in the female reproductive tract.
Fertilization Process On average, 250 million sperm are ejaculated, but only about 100 survive to reach the ovum. - Usually, only one sperm fertilizes the ovum.
Sperm Count Less than 10 to 20 million sperm per mL may indicate potential fertility issues.
Sperm Motility The ability of sperm to swim effectively is crucial for reaching the ovum.
Environmental Factors Temperature, lifestyle, and health can impact sperm production and quality.
Testosterone Key hormone for the development of male reproductive tissues and secondary sexual characteristics.
Follicle-Stimulating Hormone (FSH) Stimulates spermatogenesis.
Luteinizing Hormone (LH) Stimulates testosterone production.
What are the three major hormones that influence the male reproductive system 1.Androgens (including testosterone 2.Follicle- stimulating hormone (FSH) 3.Luteinizing hormone (LH)
The steps of sperm through the reproductive system. 1. Seminiferous Tubules ( Where sperm originate) 2. Epidermis ( Where sperm mature) 3. Vas deferens ( transport sperm) 4. seminal vesicles (Produce fluid ( semen)) 5. Ejaculatory duct 6. Urethra
What are the components of ejaculatory fluid? 1. Semen (Seminal vesicles) 2. Sperm ( Vas deferens) 3. Alkaline secretion ( Prostate) 4. Nutrients 5. Mucus (Bulbourethral glands)
Temperature of testes 35°C or 95°F
Impotence inability to achieve erection
Anorgasmia difficulty in achieving orgasm
Oligospermia low sperm count
Orgasm physical, emotional, and pleasurable sensation that occurs at climax of sexual intercourse
Created by: Jgooden
 



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