The low status of smell in Western culture is reflected in our language: colloquial terms for ânoseâ, for example, are almost all derogatory, or at the very least disrespectful (schnozzle, conk, hooter, snoot, snout, etc.) â and large or distinctive noses are considered ugly.
Ribosomes are organelles composed of ribosomal proteins (riboproteins) and ribonucleic acids (ribonucleoproteins). The word ribosome is made from taking â ribo â from ribonucleic acid and adding it to â soma â, the latin word for body. Ribosomes are bound by a membrane but they are not membranous.
Membranous Neurocranium: It is developed from the neural crest cells and paraxial mesoderm (figure 5).These mesoderm invests the brain and undergoes intramembranous ossification. Then, a number of flat, membranous bones are formed. These bones have needle-like bone spicules.eurocranium: It is consist of two portions: the membranous part, consisting of flat bones that surround the brain as a vault (cranial vault), and the cartilaginous part (chondrocranium) which form the bone of the skull.