'Corona radiata' diaporamas de présentation

The Reproductive System

The Reproductive System. Uterine (Menstrual) Cycle. Cyclic changes of the endometrium Regulated by cyclic production of estrogens and progesterone FSH and LH regulate the production of estrogens and progesterone Both female cycles are about 28 days in length

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Development and Inheritance

Development and Inheritance. From fertilization to birth fertilization implantation placental development fetal development gestation labor parturition (birth). Terminology of Development. Gestation period time span from fertilization to birth (38 weeks) Prenatal period (before birth)

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Lab Ex. 60 & 61 Female Reproductive System

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Female Reproductive System

Female Reproductive System. vulva. Includes the mons pubis, labia majora and minora, and clitoris. mons pubis. A mound of adipose tissue overlying the pubic symphysis. labia majora. Thick folds of skin inferior to mons pubis. labia minora. vestibule.

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Female Physiology Before Pregnancy and Female Hormones

Female Physiology Before Pregnancy and Female Hormones. Prof. dr. Zoran Vali ? Department of Physiology University of Split School of Medicine. Physiologic Anatomy.

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The Female Reproductive System

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Physiology of pregnancy

Physiology of pregnancy. Dr. Hana Alzamil. Objectives. Fertilization Development and function of the placenta Placenta as an endocrine organ Physiological functions of placental hormones Maternal adaptation to pregnancy. Fertilization . Fertilization . Fertilization. Fertilization.

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First week of development

First week of development. Fertilization. FERTILIZATION. fusion of two mature germ cells an ovum and a spermatozoon, to form a mono nucleated single cell- zygote . The fusion occurs in the ampulla of the uterine tube.

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FEMALE REPRODUCTIVE SYSTEM

FEMALE REPRODUCTIVE SYSTEM. I. General structure of the female reproductive tract. A. Two ovaries , B. Two oviducts (also called the uterine tubes or fallopian tubes ). (1)

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Telencephalon

Telencephalon. White matter . Basal ganglia. Telencephalic white matter. Projection fibers Corona radiata Commissural fibers Corpus callosum rostrum, genu, trunkus, splenium Commissura anterior Commissura fornicis Association fibers Fibrae arcuatae breves Fibrae arcuatae longi.

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Bio 415 lecture 2 Fertilization

Bio 415 lecture 2 Fertilization. ??? ???? ?????? ??????. Fertilization. Fertilization is part of mating or copulation between male and female. Fertilization is the fusion of the sperm nucleus with the ova nucleus to produce a zygote (fertilized egg).

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Getting to the right site:

Getting to the right site:. Helping the sperm: At ovulation, the cervical mucus increases in amount and becomes less thick, allowing easier sperm transport.

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ASSISTED REPRODUCTION TECHNICS

ASSISTED REPRODUCTION TECHNICS. Inseminations :. by husband -AIH, by donor-AID intravaginal-impotention, hypospadiasis, retrograde ejaculation, vaginismus cervical - OAT, cervical defects intrauterine - OAT, negative penetration test, idiopathic sterility. Indications to insemination.

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Development

Development. Ejaculation the release of semen. -Approximately 2 teaspoons (10 mL) -280 million sperm -Most die in the vagina within minutes after ejaculation -Once they move through the cervix into the uterus, they can survive longer, up to 5 days.

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First week of development

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Spinal Cord Descending Tracts

Spinal Cord Descending Tracts. Dr. Sama- ul - Haque. Objectives. Define the terms upper and lower motor neurons with examples. Describe the corticospinal (pyramidal) tract and the direct motor pathways from the cortex to the trunk and limbs.

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Lab # 13: Human Development

Lab # 13: Human Development. Zona pellucida. Zona pellucida. Female pronucleus. Ovulation of mature ( graafian) follicle. Corona radiata. Corona radiata. Oocyte at Ovulation. It is composed of several layers of granulosa cells. First polar body. Egg membrane . Egg.

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Getting to the right site:

Getting to the right site:. Helping the sperm: At ovulation, the cervical mucus increases in amount and becomes less thick, allowing easier sperm transport. Passage of the sperm through the uterus and oviduct occurs mainly due to muscular contractions of these organs. Oocyte:

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Offspring Development

Offspring Development. Ovulation. Oocyte and corona radiata are expelled Swept into infundibulum of fallopian tube by fimbriae Fertilization may or may not occur Passes into uterus. 2 Regions: Body Cervix - opens into vagina by external os

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