The common term for a raised bump on the epidermis filled with a watery fluid is a blister. In medical terms, a small blister is a vesicle, while a large blister is a bulla.
Myxomatous is the medical term meaning pertaining to a tumor filled with mucus.
Neoplasm is the medical term meaning tumor; a neoplasm can be malignant (cancerous) or benign.
'vesicles' IS the medical term for small fluid-filled sacs or cysts, such as a blister.
The ventricles are the fluid-filled cavities of the brain.
The medical term for a cyst in the epididymis filled with milk fluid containing sperm is a spermatocele.
The placenta.
A bursa.
ganglionganglion cyst
The medical term is "paranasal sinuses." These are air-filled cavities located within the bones surrounding the nasal cavity. They are important for natural drainage and humidifying the air we breathe.
The epidermis is filled with keratinocytes, which are the main type of cell in the outer layer of the skin. These cells produce the protein keratin, helping to provide structure and protection to the skin. Other cells found in the epidermis include melanocytes (producing pigment) and Langerhans cells (part of the immune system).
Epidermis
bones