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MAMMALIAN SPERM acrosome nucleus middle-piece (mitochondria) principal piece flagellum head end piece
MAMMALIAN SPERM acrosome nucleus mitochondrias principal piece end piece middle-piece dense fibers fibrous sheath axoneme
SPERM MORPHOLOGY IN ANTS and 3 = Human sperm; 2 and 4 = sperm of Acromyrmex subterraneus subterraneus
n a n 2341 SPERM HUMUN AND INSECT: HEAD REGION 1 = human sperm; 2-4 = ant sperm. a = acrosome, n = cucleus, v = acrosomal vesicle; p = perfuratorium
ax dm ax
ax 1 2
n ca ax ca n ax md ca NUCLEUS–FLAGELLUM TRANSITION REGION = sperm draft; 2-7 ant spermatozoa
DIVERSITY OF INSECT SPERM Spermatozoa of: Hemiptera (1,2); Neuroptera (3); Lepidoptera (4); Coleoptera (5,6)
DIVERSITY OF HYMENOPTERAN SPERM
ca n ax md ca = sperm draft; 2-7 ant spermatozoa
DIVERSITY OF ANT SPERM
Cambridge University Press 1987
© Cambridge University Press 2013 Thomson_Fig
© Cambridge University Press 2013 Thomson_alphaem.
MALE REPRODUCTIVE SYSTEM. TO REVIEW THE COMPONENTS OF THE MALE REPRODUCTIVE SYSTEM TO UNDERSTAND THE HORMONAL REGULATION AND PROCESS OF SPERMATOGENESIS.
Insects Around Us Science Unit 4 Ms. Medina's 5 th Grade Class.
INSECT REPRODUCTIVE SYSTEM. Reproductive system (1) of mixed embryonic origin - ecto- & mesoderm (2) only functional in adult (3) not required for survival.
Spermatogenisis. Male Reproductive System Testes Genital Ducts –Epididymis –Ductus deferens –Ejaculatory duct –Urethra Accessory glands –Seminal vesicle.
Sperm Production: Spermatogenesis hill.com/sites/ /student_view0/chapter28/animation__spermatogenesis__quiz_1_.html.
Introduction to Insect Biology and Diversity, 3/e James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc. CHAPTER.
Structure of the Gametes Gilbert Ch. 7 pp
Antamology Power Point 2. Red Flour Beetle Coleoptera holometabolous Chewing pest.
Animal Science 434 Lecture 13:Epididymis, Ejaculation and Semen.
Challenge #3 Can you identify the orders into which insects are classified? T. Trimpe 2008
Important Insect Orders. Depending upon which textbook you use, there are Insect Orders A few less common Orders are not listed A few more common.
The Effects of NOS Isoforms In Human Normospermia, Asthenospermia And Oligospermia Cases H. Karakaya 1, E. Ünsal 1, A. Kandil 2, Y. E. Canıllıoğlu 1, C.
Lepidopteran (Butterflies and Moths) and Hymenopteran (Bees, Wasps, and Ants) Lab Habitat and Niche.
ORDER DIPTERA Reduced hind wings Suction mouths Larvae called maggots.
Topic 6.6 & 11.4 Male Reproductive System. Further functions Urethra: tube from ejaculatory duct through penis that carries semen and urine (but.
W HAT D O U THINK TODAY ’ S CLASS IS ABOUT ?. W HERE BABIES COME FROM !!! Aww………
DO NOW: LIST THE FIRST FIVE WORDS THAT COME TO MIND WHEN YOU THINK OF THE MALE REPRODUCTIVE SYSTEM. NO SLANG PLEASE!
Slide 1 Gametogenesis makes sex cells by meiosis Lecture 13 – Gametogenesis and Fertilization.
Route of Sperm. *Task* –In point write out the: 1.Route of the sperm from its initial existence until it leaves the penis 2.Route of the sperm as it enters.
Chapter 8: Identification of Semen. Typical ejaculation 2-5 ml of semen, 160 million sperm ▪ 3 pg DNA/sperm = 480,000 ng DNA/ejaculate ▪ Only 1 ng.
3.12 Male reproductive system (SEC 4.1 PG 108). There are two kinds of sexual traits. Primary traits and secondary traits.
SMALL 50 BIG 100 ANTE 0 End NEXT LEVEL
Classification of living organisms The Kingdoms All living things are divided into 5 kingdoms: 1.Prokaryotes - Single celled organisms.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fundamentals of Anatomy & Physiology SIXTH EDITION Frederic H. Martini PowerPoint.
368.T1 Model Agricultural Core Curriculum: Supplement University of California, Davis Biology of Insects Parts of an Insect.
Dont Bug Me. What are the major classes of arthropods? Arachnida Chilopoda Crustacea Diplopoda Insecta (Hexapoda) InsectaHexapoda Click each class to.
1. Primary reproductive organs - produce sperm 2. Accessory ducts - transfer sperm 3. Accessory glands - add secretions to sperm 4. External genitalia.
Taxonomy & Classification. The Problem It is currently estimated that there are between 10 and 30 million species on Earth (only 1 million have been named)
Insects and Their Relatives Section Insect diversity The largest group of animals Four important orders: Coleoptera – ‘shield-winged’ like beetles.
Common Insect Orders Insect Collection. What are Insects??? 0 Common Features of Insects : 0 Three main body parts—head, thorax, abdomen 0 Three pairs.
Chapter 19 Male Reproductive System 沈 阳 医 学 院 组织胚胎学教研室 组织胚胎学教研室丛敬.
Sexual Reproduction Living Environment. Involves 2 two sexes, Male and Female. Gametes = sex cells – produced in gonads. Female = ovaries (gonads) produce.
MALE REPRODUCTIVE SYSTEM. TESTES EPIDIDYMIS VAS DEFERENS SEMINAL VESICLES PROSTATE BULBOURETHRAL GLANDS URETHRA.
Fertilization Zuzana Kollarova. Fertilization The process by which the nucleus of a sperm fuses with the nucleus of an egg. Occurs in the fallopian tubes.
Circle the odd one CollagenCellMatrixCell Product Cilia Glands Adipose Blood Flagellum Bones Hyaline Smooth Microvilli Epidermis Osseous Cardiac Elastic.
Entomology Deer Fly Common Name: Deer Fly Order: Diptera Metamorphosis: Holometebolous Mouth Part: Cutting Sponging Significance: Pest.
Question of the day… Finish Berlese Quiz Friday, April 18th 2008.
Sperm Pedro Robles, Carlos Valdez and Arianna Melgar.
The testis Is oval structure surrounded anterolaterally by peritoneal outpouching called tunica vaginalis. Deeper to the tunica vaginalis is a pasule of.
All Entomology Insects Part 1 of 2. Leafhopper Hemiptera – Simple - Suck All Insects ID.
077 Lacewing larva Neuroptera Holometabolous Chewing Beneficial.
Human Embryology. Fertilization Fertilization- results in a zygote -requires the sperm & egg nucleus to fuse.
Human Biology: Reproductive System Lesson 2:Functional Inter-relationships of the Male Reproductive Sytem (Inquiry into Life pg )
What is an insect? Taxonomy: Kingdom: Animalia Phylum: Arthropoda Class: Insecta Physical Features: Hard exoskeleton (adults), 6 legs, 3-part body, 2 antennae.
Fertilisation By Zoe Rees. CORONA RADIATA ZONA PELLUCIDA PERIVETELLINE SPACE CELL MEMBRANE NUCLEUS HEAD MID-PIECE FLAGELLUM PROTECTIVE COATING NUCLEUS.
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