#Pathology
esophagus
#دعواتكم
#ومن_احياها

#pathology
CVS palthology
#دعواتكم
#ومن_احياها

#PATHOLOGY
#CELL INJURY
#CELLULAR ADAPTATIONS
are reversible changes in the size, number, phenotype, metabolic activity, or functions of cells in response to changes in their environment.

📌HYPERPLASIA
💡Increase in the number of cells in an organ or tissue, resulting in increased size/ mass of the organ or tissue.
💡Hyperplasia occurs in cells capable of replication namely labile/stable or stem cells.
💡usually accompanied by hypertrophy.
💡Hyperplasia occurs due to increased recruitment of cells from G0(resting) phase of the cell cycle to undergo mitosis, when stimulated.
💡two forms
(1)-PHYSIOLOGICAL HYPERPLASIA
🎯HORMONAL HYPERPLASIA
--> Glandular epithelium at
female breast at puberty
and pregnancy
🎯COMPENSATORY
HYPERPLASIA
-->Bone marrow hyperplasia
following haemorrhage
-->Hyperplasia of the liver after
partial hepatectomy.
(2)-PATHOLOGICAL
HYPERPLASIA
🎯HORMONAL HYPERPLASIA
due to excessive hormones:
-->imbalance between estrogen
and progesteron ----menstrual
bleeding
-->increase TSH---thyrotoxicosis
🎯HYPERPLASIA
due to viral infection:
-->HPV-----Warts, squamous cell
papilloma
💡MORPHOLOGICAL FEATURES
there is enlargement of the affected organ or tissue and increase in the number of cells. This is due to increased rate of DNA synthesis and hence increased mitoses of the cells.
#للمزيد_تابعونا_على_قناتنا👇
https://t.me/joinchat/AAAAAFZhKa6Oq0WvKte1fA

#PATHOLOGY
#CELL INJURY
#CELLULAR ADAPTATIONS
are reversible changes in the size, number, phenotype, metabolic activity, or functions of cells in response to changes in their environment.
🔹Adaptations can be physiologic or pathologic
🔹Adaptations may have many causes

📌ATROPHY
💡 Atrophy is the reduced size of an organ or tissue resulting from a decrease in cell size and number.
💡Decrease in cell size occurs by
–ubiquitin-proteosome degradation of cytoskeleton and autophagy of cellular components.
💡There is decreased protein synthesis and increased protein degradation in cells.
💡In atrophy cell death is mainly due to apoptosis.
💡Atrophy may occur from physiologic or pathologic causes:
(1)-PHYSIOLOGICAL ATROPHY
🎯AFTER PUBERTY
-> atrophy of thymus
🎯AFTER DELIVERY
-> relative atrophy of uterus
🎯AFTER MENOPAUSE
->Atrophy of mammary
glands and ovaries
(2)- PATHOLOGICAL ATROPHY
🎯local atrophy
->Disuse atrophy
(decreased workload)
->Denervation (loss of
innervation) atrophy
->Ischemic (diminished
blood supply) atrophy
->Pressure atrophy
🎯generalized atrophy
->Starvation (inadequate
nutrition) atrophy
#للمزيد_تابعونا_على_قناتنا👇
https://t.me/joinchat/AAAAAFZhKa6Oq0WvKte1fA

#Pathology ⭕️محاضرات الدكتور سامح غازى ⭕️ تلخيصات لكتاب الدكتور علي الهنداوى الباثو شروحات مبسطه مكتوبه على هيئة كتابة لاختصار الوقت ⭕️General Pathology : 💢1 - inflammation : https://ift.tt/3gJneGZ 💢2 - repair : https://ift.tt/2XLqnhU 💢 3 - cell injury : https://ift.tt/3ivIOPH 💢 4 - Degeneraion and Accumulation : https://ift.tt/31DJCeh 💢 5 - Granuloma : https://ift.tt/2PChrXG 💢 6 - Hemodynamics : https://ift.tt/2XHVZoA 💢 7 - Tumor : https://ift.tt/2PEQdzB 💢 8 - Immunity - Viral infection : https://ift.tt/3koYtls 💢 9 - radiotherapy : https://ift.tt/33JrQch ⭕️Systemic Pathology : 🔷1 - CVS : https://ift.tt/33MhN6y 🔷 2 - Git : https://ift.tt/2CiAGma 🔷3 - Renal : https://ift.tt/3ivhPDV 🔷4 - Respiratory : https://ift.tt/31CvB0r 🔷5 - Genital : https://ift.tt/3ix6rYd ⭕️⭕️ثانيا التلخيصات : Pathology Summaries (Hindawy) : 🔷1 - Tumor : https://ift.tt/33MeR9Q 🔷2 - Renal : https://ift.tt/31GGDSo 🔷3 - Blood Lymph Bone CNS : https://ift.tt/2PHzThK ⭕️⭕️الأسئله النظرى : Pathlogy Written : ⭕️🔷1 - CVS : https://ift.tt/33MhN6y ⭕️🔷2 - Renal : https://ift.tt/33IZVJs ⭕️🔷3 - all pathology in 7 papers هواي امتحانات منه
August 10, 2020 at 02:19PM

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