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This animation by Nucleus shows you the function of plant and animal cells for middle school and high school biology, including organelles like the nucleus, nucleolus, DNA (chromosomes), ribosomes, mitochondria, etc. Also included are ATP molecules, cytoskeleton, cytoplasm, microtubules, proteins, chloroplasts, chlorophyll, cell walls, cell membrane, cilia, flagellae, etc.
0:07 What is a cell?
0:35 What are the 2 categories of cells?
1:22 What is an Organelle? DNA, Chromatin, Chromosomes
2:06 Organelles: Ribosomes, Endoplasmic Reticulum
2:59 Organelles: ER function, Vesicles, Golgi Body (Apparatus)
3:50 Organelles: Vacuole, Lysosome, Mitochondrion
4:45 Organelles: Cytoskeleton
5:04 Plant Cell Chloroplast, Cell Wall
5:43 Unique Cell Structures: Cilia
Watch another version of this video, narrated by biology teacher Joanne Jezequel here: https://youtu.be/cbiyKH9uPUw
#cell #nucleus #biology
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Watch other Nucleus Biology videos:
- Controlled Experiments: https://youtu.be/D3ZB2RTylR4
- Independent vs. Dependent Variables: https://youtu.be/nqj0rJEf3Ew
- Active Transport: https://youtu.be/ufCiGz75DAk
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Learn more about the company that created this video: http://www.nucleusmedicalmedia.com/
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This animation won a Platinum Best of Show Aurora Award in 2016.
ormal sperm densities range from 15 million to greater than 200 million sperm per milliliter of semen. You are considered to have a low sperm count if you have fewer than 15 million sperm per milliliter or less than 39 million sperm total per ejaculate.
The type of operation performed for removal of pancreatic cancer is based on the location of the tumor. For tumors of the head and neck of the pancreas a Whipple procedure, (also called a pancreaticoduodenectomy) is performed. This is a complex operation perfected at Johns Hopkins. This video will explain the surgery and what patients can expect.
Learn more about the Whipple procedure at Johns Hopkins:
http://www.hopkinsmedicine.org..../pancreatic_cancer_c
When placement of a urethral catheter is contraindicated or unsuccessful, percutaneous suprapubic urinary bladder catheterization is a commonly performed procedure to relieve urinary retention. [1, 2] This topic describes the Catheter over needle technique. The Seldinger technique is described in the Clinical Procedures topic Suprapubic Aspiration.
Ingrown toenails occur in both men and women. According to the National Health Services (NHS), ingrown toenails may be more common in people with sweaty feet, such as teenagers. Older people may also be at higher risk because toenails thicken with age. Many things can cause an ingrown toenail, including: cutting toenails incorrectly (Cut straight across, since angling the sides of the nail can encourage the nail to grow into the skin.) irregular, curved toenails footwear that places a lot of pressure on the big toes, such as socks and stockings that are too tight or shoes that are too tight, narrow, or flat for your feet toenail injury, including stubbing your toe, dropping something heavy on your foot, or kicking a ball repeatedly poor posture improper foot hygiene, such as not keeping your feet clean or dry genetic predisposition
Dr. Leo Maguire, a Mayo Clinic ophthalmologist, explains how laser-assisted in situ keratomileusis (LASIK) eye surgery can correct common vision problems.
This interview originally aired Jan. 26, 2019.
To learn more about LASIK surgery, visit: https://www.mayoclinic.org/tests-procedures/lasik-eye-surgery/about/pac-20384774?mc_id=us&utm_source=newsnetwork&utm_medium=l&utm_content=content&utm_campaign=mayoclinic&geo=national&placementsite=enterprise&cauid=100721&_ga=2.112234244.1227307149.1547427243-1780934405.1469629163
Skin cancer is the most common type of cancer. There are three major types of skin cancer — Basal Cell Carcinoma, Squamous Cell Carcinoma and melanoma. Out of these, Melanoma is the deadliest form of skin cancer. Melanoma appears on the skin as a new spot or growth or a change in an already existing mole. It is often fast growing and can spread to other parts of your body, including your bones, liver, and lungs to form a new cancer.
Part three: The 3rd Annual W. B. Ingalls Memorial Prostate Health and Cancer Seminar features nationally renowned physicians and scientists presenting the most current study and practices for the diagnosis and treatment of prostate cancer. This day-long program offers in-depth exploration of prostate issues that range from monitoring PSA counts to cutting-edge research to current treatment trends.