Webmucous membrane, membrane lining body cavities and canals that lead to the outside, chiefly the respiratory, digestive, and urogenital tracts. Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and the ureters, urethra, and urinary bladder. Mucous …
The key features of cells and their functions - BBC Bitesize
WebMar 2, 2024 · The longer non-ciliated secretory cells are more active during ovulation and unlike the ciliated cells, are more predominant in the proximal portion of the tubes. These cells secrete a fluid that is propelled with the ovum towards the uterus, by the cilia. The secretion provides a nutrient for the fertilised ovum and also aids in capacitation ... WebThe luminal epithelium is composed of secretory cells (or club cells), ciliated cells and neuroendocrine (NE) cells. The secretory epithelial cells express secretoglobins Scgb1a1 (also known as CC10 and CCSP) which can be detected as early as E15.5 in lung by immunostaining. dialogistics-tg ltd
Specialised animal cells - Cell structure - Edexcel - GCSE Biology ...
WebJun 29, 2024 · Cilia facts for kids. motile cilia, which beat against fluid outside the cell. non-motile, or primary cilia, which typically serve as sensory organelles. Reproductive cycle. Most marsupial and eutherian mammals have a reproductive … Bacteria (sing.bacterium) are very small organisms.Almost all bacteria are so tiny … In cell biology, an organelle is a part of a cell that does a specific job. Organelles … Learn Mitochondria facts for kids. Mitochondria divide by binary fission … The lung is an organ in many vertebrates (animals having a spine, or backbone).It … Origin and taxonomy. Protists are not a monophyletic clade.The term is a … Learn Prokaryote facts for kids. Prokaryotes (or monera) are one of the simplest … For the biochemical process, see respiration. The respiratory system, also … Halobacterium sp. strain NRC-1, each cell about 5 μm long Scientific classification; … Learn Cell facts for kids. Cells were discovered by Robert Hooke … WebRevise cells of the nervous system and neurotransmitters at synapses with this BBC Bitesize Scotland Higher Human Biology guide to the SQA course. WebThe cell membrane changes after fertilisation by a single sperm so that no more sperm can enter. Eggs are one of the biggest cells in the body and only a few are made. Ciliated epithelial cell dialogisch handelen social work