Category: Human Anatomy And Physiology

Notes: Autocrine and Paracrine Hormones and MCQ for GPAT, NEET, CUET, NURSING EXAM

1. Autocrine Hormones Definition: Hormones or chemical messengers that act on the same cell that secreted them. Mechanism: The cell releases a substance. The substance binds to receptors on its own membrane. Function: Local regulation of cell growth, immunity, and […]

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Anatomy of the Penis – Notes and MCQ for NEET, GPAT, CUET, Nursing exams

Anatomy of the Penis – Notes 1. Overview The penis is the external male genital organ involved in urination and sexual reproduction. 2. Parts of the Penis Part Description Root (Base) Attached portion; includes crura and bulb Body (Shaft) Free […]

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Ducts of the Testes, Epididymis Anatomy, Vas deferens Functions, Male Reproductive System Notes MCQ for NEET, GPAT, NORCET Exams

📘 STUDY NOTES 1. 📍 Ducts of the Testes The ducts of the testes are responsible for the transport of sperm from the seminiferous tubules to the epididymis. ✅ Components: Seminiferous tubules: Site of spermatogenesis (sperm production). Straight tubules (Tubuli […]

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Notes on Sperm Cell Structure: Overview of anatomy and MCQ for NEET, GPAT, CUET, competitive exams

The human sperm cell is a specialized male gamete designed for delivering genetic material to the female ovum. Its unique structure facilitates mobility and successful fertilization. The sperm cell comprises four primary regions: Head Nucleus: Contains tightly packed haploid DNA […]

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Notes on Testes Structure and Function and MCQ on Male Reproductive system for NEET, GPAT, CUET, DMLT, Medical, Nursing and Pharmacy Exams

1. Overview The testes (testicles) are the male gonads, responsible for producing sperm (spermatogenesis) and testosterone (primary male sex hormone). Located in the scrotum, which maintains temperature ~2–3°C below body temp for optimal sperm development. 🧱 2. External Anatomy Structure […]

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Notes of Scrotum Anatomy, Parts, and Function and MCQ on Reproductive system for NEET, GPAT, CUET, BSc, Nursing exams

Definition: The scrotum is a pouch of skin located posterior to the penis, containing and supporting the testes. It plays a vital role in temperature regulation and protection of the testes. 🧬 Anatomical Structure (Layers – from superficial to deep): […]

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Notes on Functions of the Male Reproductive System and MCQ for NEET,GPAT, NORCET, CUET, UPSC, BSc, Nursing, Human Anatomy

Functions of the Male Reproductive System The male reproductive system has several important functions necessary for sexual reproduction. These include: 1. Production of Sperm (Spermatogenesis) Occurs in the seminiferous tubules of the testes. Controlled by hormones such as FSH (Follicle […]

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OOGENESIS – FEMALE REPRODUCTIVE SYSTEM Notes and MCQ for NEET, GPAT, BSc, Nursing Exams

Definition: Oogenesis is the process by which ova (female gametes) are produced from primordial germ cells in the ovaries. It begins before birth, pauses, and completes after puberty during ovulation and fertilization. 📊 STEPS OF OOGENESIS (CHART FORMAT) Stage Cell […]

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Perineum Anatomy – Female Reproductive system Notes and MCQ for NEET, GPAT, BSc, Nursing Exams

1. Definition: The perineum is the region between the pubic symphysis and the coccyx, bounded laterally by the ischial tuberosities. It includes the external genitalia and the anal opening. 2. Boundaries: Anterior: Pubic symphysis Posterior: Coccyx Lateral: Ischial tuberosities Superior […]

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Notes: Phases of the Female Reproductive Cycle and MCQ for NEET, GPAT, NORCET, Nursing , BSC Exams

The female reproductive cycle is typically a 28-day cycle (can vary) and consists of two main cycles: Ovarian cycle Uterine (menstrual) cycle 1. Menstrual Phase (Days 1–5) What Happens: Shedding of the endometrial lining. Hormones: Low estrogen and progesterone. Physical […]

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