康医生:我的小宝宝出生后,发现在他的头上慢慢地长了一层黄褐色的膜,覆盖在囟门的周围。有人告诉我说这是长了乳痂,如不清除就会越长越厚。请问这是怎么形成的,对健康有无影响,是否需要清除呢?廖红(成都)廖红读者:“乳痂”在医学上称为婴儿头皮垢痂。其形成的原因主要是由于婴儿头皮的皮脂腺分泌旺盛,分泌物相对较多:头皮的表皮与真皮的联系不够紧密,表皮容易脱落;在出生一 Dr. Kang: My little baby was born and found a yellowish-brown film slowly covering his head, covering the fontanelle. Someone told me that this is a long cramp cap, if not removed, it will be longer and thicker. Liao Hong (Chengdu) Liao red reader: “Breast callus ” in medicine is called the scalp of baby scalp. Its formation is mainly due to strong secretion of sebaceous glands of the baby’s scalp, secretions are more: the epidermis of the scalp and the dermis are not closely linked, the epidermis is easy to fall off;