Smooth muscle lacks the striated structure of skeletal muscle and instead consists of sheets or layers of smooth muscle cells. When stimulated by the autonomic nervous system to contract from the ...

Jan. 15, 2025 — While most known types of DNA damage are fixed by our cells' in-house DNA repair mechanisms, some forms of DNA damage evade repair and can persist for many years, new research shows.

Called C-Label, it is said to be the first independent authority to certify cultivated food producers around the globe. To qualify, products must meet several conditions: Animal-free cell growth media ...