'Follicle cells' presentation slideshows

Female Reproductive System

Female Reproductive System. Ovaries: female gonads Produce female gametes (ova) Secrete female sex hormones (estrogen and progesterone) Accessory ducts include Uterine tubes Uterus Vagina. Female Reproductive Anatomy.

7.13k views • 102 slides

Lab Activity 33

Lab Activity 33 . Anatomy of the Reproductive System. Portland Community College BI 233. Scrotum. Sac of skin and superficial fascia that hangs outside the abdominopelvic cavity at the root of the penis Contains paired testicles separated by a midline septum

899 views • 79 slides

Production, Regulation, and Action of Thyroid Hormones

Production, Regulation, and Action of Thyroid Hormones. Early Studies on the Thyroid Gland Gross and Microscopic Anatomy of the Thyroid Gland Production of Thyroid Hormones Transport and Activities of T3 and T4 Regulation of Thyroid Hormone Production and Secretion

615 views • 51 slides

Reproduction a Dr. Production

Reproduction a Dr. Production. Does a 5 year old boy have mitotic divisions occurring? Does a 5 year old boy have meiotic divisions occurring? Does a 5 year old girl have mitotic divisions occurring? Does a 5 year old girl have meiotic divisions occurring? Mitosis vs Meiosis.

518 views • 46 slides

Brain-Testicular Axis

Brain-Testicular Axis. Hormonal regulation of spermatogenesis and testicular androgen production involving the hypothalamus, anterior pituitary gland, and the testes. Brain-Testicular Axis. Testicular regulation involves three sets of hormones:

1.08k views • 43 slides

The Menstrual Cycle

The Menstrual Cycle. Oogenesis. In the ovary. Timeline. Feedback. Click image to continue. Quit. Germinal epithelium (layer of cells surrounding ovary). Blood vessels. Home. Quit. Growing oogonium Formed by mitosis from cells in the germinal epithelium. Home. Primordial follicle

795 views • 43 slides

Drosophila melanogaster development

Drosophila melanogaster development. How do Drosophila embryos develop? How can one use genetics to find genes that regulate embryo development?. Life cycle of Drosophila. egg. 4 days. female. embryogenesis. pupa. DROSOPHILA LIFE CYCLE. 1 day. larva. 1st instar. 1 day. 4 days.

883 views • 43 slides

Animal Development Drosophila axis formation Part 1: A-P patterning

Animal Development Drosophila axis formation Part 1: A-P patterning. petros.ligoxygakis@bioch.ox.ac.uk. In this lecture:. The origin of Anterior-Posterior Axis Mutant screens to isolate segmentation genes Genetic analysis of early acting determinants

716 views • 36 slides

Animal Reproduction

Animal Reproduction. Modes of Reproduction. 2 modes: asexual reproduction fission budding regeneration parthenogenesis. Modes of Reproduction. sexual reproduction fertilization internal and external hermaphroditism sequential hermaphroditism. Reproductive Systems.

540 views • 35 slides

Animal Reproduction

Animal Reproduction. Chapter 36. Asexual Reproduction. Asexual reproduction involves only a single animal. The animal produces offspring through repeated mitosis of cells in some part of its body. The offspring are, genetically identical to the parent. Sexual Reproduction.

647 views • 34 slides

ENDOCRINE SYSTEM

ENDOCRINE SYSTEM. TYPES OF GLANDS. Endocrine Exocrine. Pineal gland Pituitary gland Thyroid gland Parathyroid glands Thymus Adrenal gland Pancreas Ovaries / Testes. Stomach Duodenum Kidney. Endocrine glands; Endocrine tissue. Chemistry of Hormones.

581 views • 32 slides

Reproduction Review

Reproduction Review. Hormones . Secreted from anterior pituitary FSH and LH Bind to receptors located on the membrane of follicle cells FSH Development of oocyte in the follicle ( ovary) Thickening of follicle wall Secretion of follicular fluid Secretion of estrogen by follicle wall.

384 views • 31 slides

Drosophila anterior-posterior axis formation during early embryogenesis

Drosophila anterior-posterior axis formation during early embryogenesis. Genetics Unit Department of Biochemistry petros.ligoxygakis@bioch.ox.ac.uk. Developmental biology: Drosophila segmentation and repeated units. * egg: generate the system. * larva: eat and grow.

1.24k views • 31 slides

Thyroid Hormone Testing Services Waco

Thyroid function tests help to determine if your thyroid is not working correctly. If blood levels of thyroid hormone are high, the brain senses this and sends a message to stop producing TSH.

386 views • 27 slides

The Study of Hair

Chapter 3. The Study of Hair. The Function of Hair. Regulates body temperature Acts as a sense organ Protects against sunlight Decreases friction. The Structure of Hair. The actively growing base of the hair is called the follicle , and contains DNA and living cells.

500 views • 26 slides

337 views • 25 slides

OOGENESIS

OOGENESIS. Polar bodies. Primary oocyte. Primary spermatocyte. Meiosis I. Meiosis I. Secondary spermatocytes. Secondary oocyte. Meiosis II. Spermatids. Meiosis II. Spermiogenesis. Ovum. Spermatozoa. 1. Four gametes from each primary spermatocyte. 2. Four small gametes of equal size.

5.66k views • 23 slides

The Reproductive System Part B

The Reproductive System Part B. 27. Female Reproductive Anatomy. Ovaries are the primary female reproductive organs Make female gametes (ova) Secrete female sex hormones (estrogen and progesterone) Accessory ducts include uterine tubes, uterus, and vagina

375 views • 21 slides

Chapter 28

Chapter 28. The Reproductive System. Part C. Hormonal Regulation of Testicular Function. The hypothalamus releases gonadotropin-releasing hormone (GnRH) GnRH stimulates the anterior pituitary to secrete FSH and LH FSH causes sustentacular cells to release androgen-binding protein (ABP)

444 views • 19 slides

Class Website

234 views • 17 slides