NTLAMZA'S PRESENTATION.pptx
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This document discusses the hormonal control of the male reproductive system. It explains that the hypothalamus releases gonadotropin-releasing hormone (GnRH) which stimulates the pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). FSH acts on Sertoli cells in the testes to support sperm production, while LH stimulates Leydig cells to secrete androgens like testosterone. Testosterone production is regulated by a negative feedback loop where high testosterone levels inhibit GnRH and FSH/LH secretion.
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1. The hypothalamus secretes gonadotropin-releasing hormone (GnRH) at puberty which activates the anterior pituitary gland.
2. The anterior pituitary then produces and secretes follicle stimulating hormone (FSH) and luteinizing hormone (LH) which travel to the testes.
3. At the testes, FSH acts on Sertoli cells to stimulate sperm production while LH stimulates Leydig cells to secrete testosterone which further stimulates sperm production and promotes secondary male sex characteristics.Source, synthesis and metabolism of androgens
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Psychoanalytic Analysis of The Black Cat by Edgar Allan Poe explores the deep psychological dimensions of the narrators disturbed mind through the lens of Sigmund Freuds psychoanalytic theory. According to Freud (1923), the human psyche is structured into three components: the Id, which contains primitive and unconscious desires; the Ego, which operates on the reality principle and mediates between the Id and the external world; and the Superego, which reflects internalized moral standards.
In this story, Poe presents a narrator who experiences a psychological breakdown triggered by repressed guilt, aggression, and internal conflict. This analysis focuses not only on the gothic horror elements of the narrative but also on the narrators mental instability and emotional repression, demonstrating how the imbalance of these three psychic forces contributes to his downfall.OBSESSIVE COMPULSIVE DISORDER.pptx IN 5TH SEMESTER B.SC NURSING, 2ND YEAR GNM...
OBSESSIVE COMPULSIVE DISORDER.pptx IN 5TH SEMESTER B.SC NURSING, 2ND YEAR GNM...parmarjuli1412
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OBSESSIVE COMPULSIVE DISORDER INCLUDED TOPICS ARE INTRODUCTION, DEFINITION OF OBSESSION, DEFINITION OF COMPULSION, MEANING OF OBSESSION AND COMPULSION, DEFINITION OF OBSESSIVE COMPULSIVE DISORDER, EPIDERMIOLOGY OF OCD, ETIOLOGICAL FACTORS OF OCD, CLINICAL SIGN AND SYMPTOMS OF OBSESSION AND COMPULSION, MANAGEMENT INCLUDED PHARMACOTHERAPY(ANTIDEPRESSANT DRUG+ANXIOLYTIC DRUGS), PSYCHOTHERAPY, NURSING MANAGEMENT(ASSESSMENT+DIAGNOSIS+NURSING INTERVENTION+EVALUATION)) HistoPathology Ppt. Arshita Gupta for Diploma
HistoPathology Ppt. Arshita Gupta for Diplomaarshitagupta674
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Hello everyone please suggest your views and likes so that I uploaded more study materials
In this slide full HistoPathology according to diploma course available like fixation
Tissue processing , staining etc
Great Governors' Send-Off Quiz 2025 Prelims IIT KGP
Great Governors' Send-Off Quiz 2025 Prelims IIT KGPIIT Kharagpur Quiz Club
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Prelims of the Great Governors' Send-Off Quiz 2025 hosted by the outgoing governors.
QMs: Aarushi, Aatir, Aditya, ArnavVCE Literature Section A Exam Response Guide
VCE Literature Section A Exam Response Guidejpinnuck
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This practical guide shows students of Unit 3&4 VCE Literature how to write responses to Section A of the exam. Including a range of examples writing about different types of texts, this guide:
*Breaks down and explains what Q1 and Q2 tasks involve and expect
*Breaks down example responses for each question
*Explains and scaffolds students to write responses for each question
*Includes a comprehensive range of sentence starters and vocabulary for responding to each question
*Includes critical theory vocabulary油 lists to support Q2 responsesGladiolous Cultivation practices by AKL.pdf
Gladiolous Cultivation practices by AKL.pdfkushallamichhame
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This includes the overall cultivation practices of Rose prepared by:
Kushal Lamichhane (AKL)
Instructor
Shree Gandhi Adarsha Secondary School
Kageshowri Manohara-09, Kathmandu, Nepal
How payment terms are configured in Odoo 18
How payment terms are configured in Odoo 18Celine George
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Payment terms in Odoo 18 help define the conditions for when invoices are due. This feature can split payments into multiple parts and automate due dates based on specific rules.Photo chemistry Power Point Presentation
Photo chemistry Power Point Presentationmprpgcwa2024
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Photochemistry is the branch of chemistry that deals with the study of chemical reactions and processes initiated by light.
Photochemistry involves the interaction of light with molecules, leading to electronic excitation. Energy from light is transferred to molecules, initiating chemical reactions.
Photochemistry is used in solar cells to convert light into electrical energy.
It is used Light-driven chemical reactions for environmental remediation and synthesis. Photocatalysis helps in pollution abatement and environmental cleanup. Photodynamic therapy offers a targeted approach to treating diseases It is used in Light-activated treatment for cancer and other diseases.
Photochemistry is used to synthesize complex organic molecules.
Photochemistry contributes to the development of sustainable energy solutions.NTLAMZA'S PRESENTATION.pptx
- 1. HORMONAL CONTROL OF THE MALE REPRODUCTIVE SYSTEM PRESENTER: ONTLAMETSE BASIMANE
- 2. LEARNING OBJECTIVES AT THE END OF THE LESSON YOU WILL BE ABLE TO: DISCUSS HORMONES INVOLVED IN MALE REPRODUCTIVE SYSTEM DISCUSS VARIOUS ANDROGENS EXPLAIN HORMONAL CONTROL OF THE TESTES (NEGATIVE FEEDBACK MECHANISM)
- 4. HORMONES INVOLVED IN THE MALE REPRODUCTIVE SYSTEM? WHAT ARE HORMONES ACCORDING TO THE VIDEO??? Gonadotropin Releasing Hormone (GnRH) o It is the hormone that stimulates the release of FSH and LH from the anterior pituitary Follicle Stimulating Hormone (FSH) o It is the hormone that stimulates the Sertoli cells to nourish the developing sperm cells with nutrients during spermatogenesis o The Sertoli cells are located inside the seminiferous tubules in the germinal epithelial cells of the testes Luitenising Hormone (LH) o It is the hormone that stimulates Leydig cells to secrete androgens o Leydig cells are located inside the testes adjacent to seminiferous tubules WHAT ARE ANDROGENS? o Androgens are group of sex hormones in both males and females which help these genders to enter puberty and mature physically
- 5. EXAMPLES OF ANDROGENS Androstenedione Dehydroepiandrosterone (DHEA) DHEA sulphate (DHEA-S) Dihydrotestosterone (DHT) TESTOSTERONE FUNCTIONS OF ANDROGENS IN MALES 1. Make males to have deep voice (Vocal cord lengthening) 2. Hair growth on the face, scalp, chest, underarms and genitals 3. Sperm development 4. WHAT ABOUT FEMALES????
- 8. HORMONAL CONTROL OF THE TESTES